СПИСОК патентов США - подгруппа МПК16 H04B1/04


Выделить слова в названиях патентов:


№ п/п Номер патента Название патента

2017

19609691Remote radio equipment
29609589Apparatus and method for processing downlink signal
39608848Communicating through physical vibration
49608706System and method for multiple-input and multiple-output (MIMO) full-duplex precoding structures
59608695Communication system
69608677Systems and methods of RF power transmission, modulation, and amplification
79608676Digital pre-distortion systems in transmitters
89608675Power tracker for multiple transmit signals sent simultaneously
99608673Transmitter and method of processing transmission signals
109608661Software programmable cellular radio architecture for wide bandwidth radio systems including telematics and infotainment systems
119608573Balanced Doherty power amplifier circuit and radio transmitter
129602317Apparatus and method for combining currents from passive equalizer in sense amplifier
139602154Wireless communication apparatus and method for improving specific absorption ratio thereof
149602150Wireless device
159602149Architecture and control of hybrid coupler based analog self-interference cancellation
169602148Compensation for a signal damping while transmitting transmission signals of a wireless mobile device
179602147Switch module
189602143System and method for generating wireless electromagnetic transmissions modulated with software defined complex waveforms
199596656Vehicular wireless transmission apparatus adjusting output power according to vehicle
209596120Signal transmission apparatus, distortion compensation apparatus, and signal transmission method
219596114Peak suppressing device and peak suppressing method
229596110Open loop digital PWM envelope tracking system with dynamic boosting
239596103Interference canceling for mobile devices
249596059Communication device for receiving and transmitting OFDM signals in a wireless communication system
259596025Method for providing internet access to network devices via a mobile phone
269595994Mode-based antenna tuning
279595983Method and apparatus for digital predistortion of ultra wideband radio frequency upconverters
289595982Relaxed digitization system linearization
299595981Reduced bandwidth envelope tracking
309595980Oscillation circuit and transmitter including the same
319595927Bias adjustment circuitry for balanced amplifiers
329595924Calibration for power amplifier predistortion
339595919Front-end architecture for transmitter
349591596Method for transmitting and receiving signal in wireless communication system and apparatus for same
359591585Transmitting antenna level sensor of magnetic resonance imaging system and magnetic resonance imaging system
369590834Radio communication apparatus capable of switching modulation schemes
379590829Modulated signal generating device and wireless device
389590763Energy efficient transmitter power control
399590715WCDMA power saving with transmit diversity
409590689RX-TX switch with two power amplifiers
419590670Communication device
429590669Single varactor stack with low second-harmonic generation
439590668Digital compensator
449590667Method and apparatus for interference cancellation by a user equipment
459590666Transmit noise and impedance change mitigation in wired communication system
469590665Apparatus and method for removing noise of power amplifier in mobile communication system
479590664Method to improve active antenna system performance in the presence of mutual coupling
489590663Radio apparatus
499590661Systems and methods for improving WLAN range
509590567Moving mean and magnitude dual path digital predistortion
5195905632G support for 2G and 3G/4G envelope tracking modulator
529588158Apparatus and method for determining information on a power variation of a transmit signal
539585105High-frequency signal processing apparatus and wireless communication apparatus
549585100Cold temperature power throttling at a mobile computing device
559584647System and method for remote control of appliances utilizing mobile location-based applications
569584353Method and system for reduction of peak-to-average power ratio of transmission signals comprising overlapping waveforms
579584349Transmission circuit
589584191Antenna tuning unit
599584169High frequency transmitter
609584168Distortion compensator and distortion compensation method
619584167Wireless communication system, distortion compensation device, and distortion compensation method
629584166System and method for null filling of IQ waveform
639584165High frequency amplifier and method of compensating for distortion
649584091Wireless communication device and method of adjusting antenna matching
659584085Amplifying system
669584071Envelope tracking with reduced dynamic range
679584070Apparatus and methods for envelope trackers
689584012Quick-start high-voltage boost
699578643Backhaul radio with antenna array and multiple RF carrier frequencies
709577853Current balance method and current balance circuit thereof
719577786Pilot symbol generation for highly-spectrally-efficient communications
729577724Precoding matrix indicator feedback method, receive end, and transmit end
739577685Pre-distortion calibration
749577684High frequency time interleaved digital to time converter (DTC)
759577683Systems, transceivers, receivers, and methods including cancellation circuits having multiport transformers
769577638Digital signal up-converting apparatus and related digital signal up-converting method
779577588Systems and methods for signal predistortion
789571153Method of cancelling SI signal at RF-front end and UE for the same
799571152Apparatus and methods for calibration of envelope trackers
809571145High frequency circuit module
819571140Space-time coding for zero-tail spread OFDM system in a wireless network
829571139Reference circuits for biasing radio frequency electronics
839571138Transmission device and noise removal method
849571137Single tone RF signal generator
859571136Apparatus for transmitting and receiving signals in radio frequency system
869571135Adjusting power amplifier stimuli based on output signals
879571134Transmit noise reducer
889571133Duplexer
899571132Radio transmitter system and method
909571098Signal receiving circuits including termination resistance having adjustable resistance value, operating methods thereof, and storage devices therewith
919571056Power amplifier with self aligned peaking stage
929571049Apparatus and methods for power amplifiers
939570806Dual band transmitter
949569648Apparatus and methods for wireless communication using load modulation
959565649Distribution and utilization of antenna information for location determination operations
969565642GaN amplifier for WiFi applications
979565043Hybrid I-Q polar transmitter with quadrature local oscillator (LO) phase correction
989564944Method and apparatus for managing interference in a communication device
999564935Linear composite transmitter utilizing composite power amplification
1009564934Telecontrol for automobile comprising a device for suppressing magnetic coupling
1019564875Circuit device, electronic apparatus, and moving object
1029564860Multimode operation for differential power amplifiers
1039564676System and methods for adaptive antenna optimization
1049559883Power efficient digital wireless transmitter and method of operation thereof
1059559879PA cell, PA module, wireless communication unit, RF transmitter architecture and method therefor
1069559791Wireless communication device for transceiving heterogeneous radio-frequency signals
1079559747Efficient transmit and receive switches
1089559732Wireless apparatus
1099559731Amplifier module
1109559639Protection circuit for power amplifier
1119553693Data communication using bandwidth modulation
1129553642Apparatus and methods for cross-polarized tilt antennas
1139553630Switching module and wireless communication equipment
1149553628Phone case capable of measuring distance to object
1159553621Apparatus and methods for signal generation, reception, and self-calibration
1169553619Domino circuit and related architectures and methods for carrier aggregation
1179553618Signal cancellation method and device for wireless communication system
1189553617Apparatus and methods for reconfigurable directional couplers in an RF transceiver with controllable capacitive coupling
1199553616Extremely high frequency communication chip
1209552020Electronic apparatus
1219548880Transmitter and its control method
1229548773Mitigation of EMI/ESD-caused transmission errors on an electronic circuit
1239548772Apparatus and method for controlling gain in communication system
1249548771Method and apparatus for eliminating interference among transmission channels of transmitter
1259548770Reducing inter-sector interference in beamforming
1269548769Reduced wiring requirements with signal slope manipulation
1279543996Method and system for initializing RF module through non-volatile control
1289543995Analog front end receivers with resonant mixer configured to reject local oscillator harmonics
1299543993Radio frequency interconnect
1309543992Simulcasting MIMO communication system
1319543991Compressed amplitude wireless signal and compression function
1329543915Stacked active RF circuits including in-situ bias monitoring systems and methods
1339543910Radio frequency system switching power amplifier systems and methods
1349543900Switchable supply and tunable load impedance power amplifier
1359537693Circuit device having two communication interfaces for faster and slower transmission speeds, and transmission module, electronic apparatus, and moving object that have the circuit device
1369537605Ultra-wideband high-power solid-state transmitter for electronic warfare applications
1379537558ESA phase shifter topology
1389537532Device for power line communication, method for transmitting signals, and method for receiving signals
1399537520Method and apparatus for calibrating distortion of signals
1409537519Systems and methods for performing power amplifier bias calibration
1419537518Power sensing in wireless system
1429537517Method of controlling uplink noise level in multi-RU environment
1439537516Edge combining transmitter
1449537456Asymmetric multilevel backoff amplifier with radio-frequency splitter
1459535491Power supply
1469534808Information pushing device and smart ventilation apparatus

2016

1479531417Receiving circuit, receiving device, and receiving method
1489531413Multi-band device having switch with input shunt arm
1499531412Systems and methods for a radio frequency transmitter with improved linearity and power out utilizing pre-distortion and a GaN (gallium nitride) power amplifier device
1509531411AAS transmitter distortion improvement
1519531410Method for envelope tracking multiple transmissions through a single power amplifier
1529531409Switched capacitor transmitter circuits and methods
1539531339Integrated circuit for transmitting and receiving an RF signal
1549531332Distortion-compensation device and distortion-compensation method
1559531329Power amplifier and transmission apparatus
1569529567Digital processor having instruction set with complex exponential non-linear function
1579525574Methods and apparatus for constant baud rate communication with varying effective data rate
1589525443RF communications device with conductive trace and related switching circuits and methods
1599525442OFDM transmitter comprising a pre-distortion unit, an OFDM modulator and a filter
1609525441Common mode noise introduction to reduce radio frequency interference
1619525440Transmission-based temperature control for an electrical device
1629525439Fully integrated millimeter-wave radio frequency system
1639525384Method and apparatus for supplying power to a radio frequency power amplifier
1649525383Apparatus and methods for a capacitive digital-to-analog converter based power amplifier
1659525203Controlling MTD antenna VSWR and coupling for SAR control
1669523727Electronic device with impedance measurement circuitry
1679520923Low-complexity ACPR-enhancing digital RF MIMO transmitter
1689520908Full-duplex radio communication device, method and system
1699520907Methods and apparatus for envelope tracking system
1709520906Switched capacitor transmitter circuits and methods
1719520905Impedance matching apparatus and method, and computer program
1729520904Apparatus and method for high linearity tuning
1739520902Reader and RFID reader
1749520841Transmit circuit, method for adjusting a bias of a power amplifier and method for adapting the provision of a bias information
1759520837Pulse shaping biasing circuitry
1769520833Active ring mixer
1779516693Fast transition envelope tracking
1789515723System and method for pre-distortion and iterative compensation for nonlinear distortion in system employing FTN symbol transmission rates
1799515698Ultra-wideband frequency position modulation using nonlinear compressed sensing
1809515686Signal transmitting circuit using common clock, and storage device therewith
1819515685Apparatus and method for signal predistortion
1829515674Signal conversion method, signal transmission method, signal conversion device, and transmitter
1839515645System and method for a radio frequency switch
1849515615World band radio frequency front end module, system and method thereof
1859515611Power amplifier saturation detection
1869509834Mobile device and method for controlling the same
1879509385Apparatus and method for digital beam-forming with low-resolution quantization
1889509355Calibration of quadrature imbalance via loopback phase shifts
1899509353Data processing device
1909509350Devices and methods for adaptive crest factor reduction in dynamic predistortion
1919509348Transmitter efficiency optimization
1929509347Antenna driver with scalable output impedance
1939509346Circuit and method for a circuit
1949509345RF transmitter for electrically short antenna
1959509344Communication method based on bi-level binary digital baseband symbols
1969509310LVDS and subLVDS driver circuit
1979509133Protection of distributed antenna systems
1989509046Power amplifier adjustment for transmit beamforming in multi-antenna wireless systems
1999505582Paper sheet processing device
2009503294Amplitude and phase shift keying modulation for saturated amplifier systems
2019503160Low-noise amplifier mixer with coupled inductors
2029503132Wireless communication apparatus, communication control method, and computer-readable recording medium
2039503131Antenna for receiving and/or transmitting polarized communication signals
2049503130Signal transmitter, message generating system and signal power adjusting method
2059503129Interference control between different radio communication systems involving user equipments
2069503037Cavity filter, power amplifying module
2079503029Transmitting amplifier and transmitter
2089502756Antenna driving device
2099497704Method for scheduling wake/sleep cycles by a central device in a wireless network
2109497701Method, apparatus and computer program
2119497652LTE/1x dual-standby with single-chip radio
2129497059Method for performing peak clipping to multiple carrier waves and device thereof
2139497054Electronic devices having interconnect radiation mitigation capabilities
2149497049Wideband transmitter with high-frequency signal peaking
2159496969Double integrator pulse wave shaper apparatus, system and method
2169496903Method for reducing the crest factor wide band signal
2179496902Apparatus and methods for reconfigurable directional couplers in an RF transceiver with selectable phase shifters
2189496901Method and apparatus for radio frequency tuning utilizing a determined use case
2199496900Signal acquisition in a multimode environment
2209491723System for monitoring and controlling the power of a radio frequency (RF) signal in a short-range RF transmitter
2219491029Devices and methods for reducing signal distortion in I/Q modulation transceivers
2229491012Direct over-sampled pulse shaping circuit with flip flops and LUT
2239491007Apparatus and method for antenna matching
2249490966Frequency planning for digital power amplifier
2259490944Phase sector based RF signal acquisition
2269490881Envelope tracking system for MIMO
2279490858Transmitter capable of reducing local oscillation leakage and in-phase/quadrature-phase (I/Q) mismatch and adjusting methods thereof
2289490856Method for suppressing transmission noise comprised in received downlink signal and communications apparatus utilizing the same
2299490853Data transmitter
2309490752RF amplifier having a transition shaping filter
2319490518System for launching a signal into a dielectric waveguide
2329485127OFDM communications
2339485126Signal combining system for constant envelope transmission of information
2349485078Point-to-multipoint microwave communication
2359485035Self-tuning transfer function for adaptive filtering
2369485001Diversity receiver front end system with switching network
2379484992Method and apparatus for performing antenna virtualization using polarimetric antenna in a wireless communication system
2389484970Analog-to-digital conversion with noise injection via wavefront multiplexing techniques
2399484963Multi-mode and multi-band front-end device
2409484962Device and method for adaptive digital pre-distortion
2419484874Input amplitude modulated outphasing with an unmatched combiner
2429484150Multi-mode power amplifying circuit, and multi-mode wireless transmission module and method thereof
2439480034Radio communication device and timing control method
2449480032Tracking received power in wireless communications
2459480019Wireless communication apparatus and wireless communication method
2469479377OFDM-CDMA equipment and method
2479479368Method and apparatus for adjusting pre-distortion coefficient
2489479272Method and apparatus for processing a transmission signal in communication system
2499479213Control interface for a communication device
2509479204Spectrum sensing detector and spectrum sensing detection method thereof
2519479203Transceiver capable of IQ mismatch compensation on the fly and method thereof
2529479202System and method for burst mode amplifier
2539479201Process variable transmitter with removable terminal block
2549479198Analog compensation circuit and method
2559479128Multi-mode power amplifier and mobile communication terminal having the same
2569479119Amplifier circuit and operation method thereof
2579478873Method and apparatus for the alignment of a 60 GHz endfire antenna
2589478862Tunable antenna and wireless communication device employing same
2599473338Receiver, transmitter, feedback device, transceiver and signal processing method
2609473216Method and apparatus for tuning a communication device
2619473205Coaxial data communication with reduced EMI
2629473199Amplifier circuit, antenna module, and radio communication device
2639473193Mobile terminal with frequency lock loop
2649473186Method of controlling receiver gain automatically and apparatus for automatic gain control in receiver
2659473180Apparatus for converting frequency and RF transmitter comprising same
2669473155Software reconfigurable digital phase lock loop architecture
2679473085Input switch leakage compensation
2689473082Dynamic bias control
2699472982Wireless power
2709467940Flip-chip linear power amplifier with high power added efficiency
2719467251Method and system for forward error correction decoding with parity check for use in low complexity highly-spectrally efficient communications
2729467196Quadrature current-combining linearizing circuit for generating arbitrary phase and amplitude
2739467115Circuits, devices and methods related to combiners for Doherty power amplifiers
2749467095Switchable dual core power amplifier
2759461864Apparatus and method for adaptively selecting channel code based on non-gaussianity of channel in wireless communication system
2769461860Pilot signal transmitting method, and channel estimation method, apparatus, and system
2779461755Enhanced voltage standing wave ratio measurement
2789461678Calculation of voltage standing wave ratio in radio device
2799461677Local phase correction
2809461676Energy efficient distributed estimation using nonlinear amplifiers
2819461675System and method for enhanced transmitter efficiency
2829461592Distortion compensation device
2839456490Signal path in radio-frequency module having laminate substrate
2849455806Communication device for receiving and transmitting OFDM signals in a wireless communication system
2859455760Waveform adaptable digital predistortion
2869455753Non-linear capacitance based parametric mixer
2879455752Apparatus and method for adaptive common mode noise decomposition and tuning
2889455751Circuit arrangement and method for transmitting signals
2899455669Apparatus and methods for phase compensation in power amplifiers
2909451561High-frequency signal processing apparatus and wireless communication apparatus
2919451372FM radio system for digital and analog communications for hearing assistance devices
2929450798Transmitter circuit, communication unit and method for amplifying a complex quadrature signal
2939450652Radio communication system, transmitter, receiver, elevator control system, and substation facility monitoring system
2949450637Method and apparatus for managing interference in a communication device
2959450626Sawless architecture for receivers
2969450622Circuit and method for providing a radio frequency signal
2979450621Digital predistortion processing method and system
2989450593Dither-less error feedback fractional-n frequency synthesizer systems and methods
2999450570Variable frequency circuit controller
3009450553Apparatus and a method for amplifying a transmit signal
3019450541Systems and methods related to linear and efficient broadband power amplifiers
3029445375Method and system for updating predistortion coefficient
3039444666Device for generating a vector-modulated output signal and method for generating a vector-modulated output signal
3049444511Plug-and-play time-variant antenna module for wireless communication devices
3059444501Polar modulation using product mode
3069444500Modulation circuit of digital transmitter, digital transmitter, and signal modulation method
3079444499Wireless device and wireless access system
3089444498Repartitioned transceiver using silicon-on-insulator
3099444425Electronic device with adjustable wireless circuitry
3109444417Weakly coupled RF network based power amplifier architecture
3119444411RF power amplifier with total radiated power stabilization
3129442190Method and system for a RFID transponder with configurable feed point for RFID communications
3139438323Method and device for sending user-specific reference signal
3149438299Stretchable strap cover for electronic device
3159438293Tunable circuit elements for dynamic, per element power
3169438292Vehicle communication apparatus
3179438288System providing reduced intermodulation distortion
3189438287Apparatus and method for mitigating loss of signal content
3199438281Distortion-compensation device and distortion-compensation method
3209438280In-vehicle communication apparatus
3219438279Wireless device with adaptively-tunable electrically-small antennas
3229438191Radio frequency power amplifier circuit
3239438187Amplifying device, transmitting device
3249438178Mixer impairment correction based on volterra series
3259438169Mixer
3269437928Feeding matching apparatus of multiband antenna, multiband antenna, and radio communication device
3279432946Transmission apparatus and transmission method
3289432173Method and transceiver for cancelling multi-carrier transmission interference
3299432163Pseudorandom sequence generation for OFDM cellular systems
3309432076Linearity enhancement for concurrent transmission systems and methods
3319432064System and method for automated loss testing
3329432063Radio frequency signal transceiving and processing method, device, and base station system
3339432062Polar noise shaping
3349432061Serializing transmitter
3359432060Apparatus and method for load modulating an amplifier
3369431990Tunable microwave devices with auto-adjusting matching circuit
3379431967Dynamic amplifier supply
3389431965Selectable-input-impedance radio-frequency reception amplifier
3399431698Wireless communication device
3409430728Electronic identification system with improved sensitivity
3419425837Adaptive feed-forward power amplifier linearization methods using adaptive filters
3429425836Asymmetrical transmitter-receiver system for short range communications
3439425835Transmitter with reduced counter-intermodulation
3449425834Trajectory modification technique for polar transmitter
3459425796Data converting device, digital transmitting apparatus using the data converting device, and related data converting method
3469425761High pass filters and low pass filters using through glass via technology
3479425758Wireless communication system with power amplifier mechanism and method of operation thereof
3489424739Self powered wireless system
3499420542System-wide uplink band gain control in a distributed antenna system (DAS), based on per band gain control of remote uplink paths in remote units
3509419837Distributed antenna system
3519419824Digital transmitter
3529419692Antenna control
3539419675Isolation tuners for directional couplers
3549419673Millimeter band transmitting/receiving system
3559419658Digital modulator non-linearity correction
3569419657Hybrid I/Q and polar transmitter
3579419587Method and apparatus to reconfigure a filter
3589419581Adaptive impedance matching apparatus, system and method with improved dynamic range
3599419337Wireless communication device
3609417318Method and system for configuring a leaky wave antenna utilizing micro-electro mechanical systems
3619413583Calibrating RF path delay and IQ phase imbalance for polar transmit system
3629413419Phase-optimized constant envelope transmission (POCET) method, apparatus and system
3639413409Method and apparatus for tuning an antenna based on unreliable data
3649413405Microelectronic device with integrated energy source
3659413398Circuits and methods related to power detectors for radio-frequency applications
3669413397Antenna and amplifier status monitoring system
3679408154Programmable transmit continuous-time filter
3689407486Method and apparatus for generating signal in wireless communication system
3699407470Elements to counter transmitter circuit performance limitations
3709407312Amplifier circuit, antenna module and wireless communication apparatus
3719407308Inter radio access technology measurement with multiple receivers
3729406444Thin film capacitors
3739401731Skew control for three-phase communication
3749399857Communication device and working vehicle provided with the same
3759398456Electronic device with accessory-based transmit power control
3769397713Polar modulation using product mode
3779397712Systems and methods for transmitter receive band noise calibration for envelope tracking and other wireless systems
3789397711Pre-distortion in a wireless transmitter
3799397710Power amplifier module
3809397614Multi-band power amplifier
3819392560Selective power amplifier
3829391717Method and system for signal dynamic range improvement for frequency-division duplex communication systems
3839391684Asymmetric power amplifier for digital beam forming
3849391661Higher efficiency carbon nanotube antenna
3859391659Transmitter harmonic cancellation for carrier aggregation/multiband operation
3869391657Antenna matching device
3879391652Electronic device with RF transmission line stub and RF shorting switch configuration and related methods
3889391651Amplifier with reduced harmonic distortion
3899391650Front-end RF filters with embedded impedance transformation
3909391649Envelope shaping in envelope tracking power amplification
3919391442Protection device and method for power transmitter
3929386531Outer loop power control for wireless communications
3939386382Hearing aid compatible mobile electronic device
3949386130Method of communications in a network interconnecting at least two power generators, and corresponding interfacing device
3959385820VSWR estimation using correlation to suppress external interference
3969385769Phase-locked loop with an adjustable output divider
3979385764Digital pre-distortion for high bandwidth signals
3989385763Method and apparatus for in-channel interference cancellation
3999385762Linearization of intermodulation bands for concurrent dual-band power amplifiers
4009385681Bias network
4019385656Low complexity frequency selective IQ mismatch digital RX balancer and TX inverse balancer for non-ideal RF front-end
4029380558Multiple network mobile device connection management
4039379798Modulation circuit for a radio device and a method thereof
4049379776System and method for low data-rate communication over a carrier current
4059379749VCO-coupling mitigation in a multiple-carrier, carrier aggregation receiver
4069379746Isolation circuits for digital communications and methods to provide isolation for digital communications
4079379745Multi-band wide band power amplifier digital predistortion system
4089379744System and method for digital predistortion
4099379743Method and apparatus for signal edge boosting
4109379742RF transmitter, integrated circuit device, wireless communication unit and method therefor
4119379727Transmit digital to analog converter (DAC) spur attenuation
4129379454Method and apparatus for tuning antennas in a communication device
4139374786System and methods for improving opportunistic envelope tracking in a multi-subscriber identity module (SIM) wireless communication device
4149374256Transmitter and method for reducing peak-to-average power ratio
4159374196System and method for digital memorized predistortion for wireless communication
4169374127Balancing method of tunable duplexer
4179374113Method and apparatus for adjusting the timing of radio antenna tuning
4189374112Capture selection for digital pre-distortion adaptation and capture concatenation for frequency hopping pre-distortion adaptation
4199374045Signal path termination
4209374044Architecture of nonlinear RF filter-based transmitter
4219372663Direct digital synthesis of signals using maximum likelihood bit-stream encoding
4229369261Circuit for baseband harmonic rejection
4239369225Distribution of an electronic reference clock signal that includes delay and validity information
4249369219Radio frequency systems and methods for controlling spurious emissions
4259369217Cellular up-link harmonic spurs mitigation in Wi-Fi and bluetooth receivers
4269369216Communication apparatus
4279369173Directional antenna isolation structure
4289369163Radio frequency transmission device with reduced power consumption
4299369162Communication apparatuses
4309369161Mitigation of radio-frequency interference at a remote radio head
4319369160Communications system using signal modulation
4329369159Method and device for processing signals based on transmission mixer, frequency multiplier, and subharmonic mixing
4339369094Systems and methods for improved power yield and linerization in radio frequency transmitters
4349369093Radio frequency power amplifier non-linearity compensation
4359369088Amplifier
4369369087Integrated RF front end with stacked transistor switch
4379368857Combining signal power using magnetic coupling between conductors
4389363344High frequency module and high frequency component
4399363112Systems and methods for equalization in radio frequency signal paths
4409363068Vector processor having instruction set with sliding window non-linear convolutional function
4419363042Apparatus for transmitting broadcast signals, apparatus for receiving broadcast signals, method for transmitting broadcast signals and method for receiving broadcast signals
4429362965Phase noise suppression
4439362963Radio-frequency signal reception circuit and isolated signal transmission apparatus
4449362961High-frequency signal generation circuit, transmitter, and receiver
4459362825Look-up table based configuration of a DC-DC converter
4469357414Apparatus and method for inter-rat measurement in a multi mode terminal station
4479357354Utilizing motion detection in estimating variability of positioning related metrics
4489356812Wireless communication apparatus
4499356637Power-supply device, method for controlling the same, and communication device including the same
4509356632Intermodulation distortion canceller for use in multi-carrier transmitters
4519356631Systems and methods for enhancing probability of internal measurements in crowded environments
4529356630Wireless display performance enhancement
4539356629Method and apparatus for improving transmission of data on a bandwidth expanded channel
4549356560Multi-mode integrated power amplifier
4559356512Envelope tracking power supply with direct connection to power source
4569350412Transceiver suitable for multiple power level operation and method therefor
4579350411Full duplex backhaul radio with MIMO antenna array
4589350405Method and apparatus for antenna tuning and power consumption management in a communication device
4599350396Systems and methods for reducing signal distortion in wireless communication
4609350395Transmitting circuit and transceiver system including the same
4619350394Wireless communication device using time-variant antenna module
4629350393De-emphasis filtering audio signals in response to composite control signal
4639350081Switchable multi-radiator high band antenna apparatus
4649350076Wideband voltage-driven electrically-small loop antenna system and related method
4659350073MEMS module, variable reactance circuit and antenna device
4669344688Recall device
4679344311Wireless transmission
4689344308System and method for signal generation
4699344143Signal transmitting device and signal transmitting method
4709344140Systems, devices and methods related to improved radio-frequency modules
4719344129Circuits and methods for providing a control voltage and improving switch performance in radio frequency (RF) modules
4729344122Adaptive filtering for canceling distortion in radio frequency signals
4739342722Verification of an item
4749338784Multiple RF band operation in mobile devices
4759338017Method and device for controlling transmitter
4769337886Digital pre-distortion with shared observation path receiver
4779337885Systems and methods for hybrid self-interference cancellation
4789337876Digital wireless transmitter having parallel structure and wireless communication system including the same
4799337875Method and apparatus for reducing charge and discharge time of capacitive elements
4809337874High-speed digital signal processing systems
4819337783Distortion compensation apparatus and distortion compensation method
4829337782Methods and apparatus for adjusting transmit signal clipping thresholds
4839337666Controlling field distribution of a wireless power transmitter
4849333815Multi-frequency tire pressure monitoring detector
4859332556White space access in mobile communication networks
4869332439Coexistence of white space devices and wireless narrowband devices
4879331882Crest factor reduction of carrier aggregated signals
4889331876Method, apparatus and system for controlling carrier power amplifier of base station
4899331836De-multiplexing a radio frequency input signal using output transformer circuitry
4909331822Clock and data recovery circuit and method for estimating jitter tolerance thereof
4919331795Transmission arrangement and method for analyzing an amplified transmission signal
4929331738Method, system, and apparatus for RF switching amplifier
4939331734SoC transceiver with single ended/differential modes, tunable capacitor and latch
4949331726Method for locating defective points in a high frequency (HF) signal transmission path
4959331725Method and system for crest factor reduction
4969331724Lane-to-lane de-skew for transmitters
4979331723Perturbation-based dynamic measurement of antenna impedance in real-time
4989331722Feedback calibration of digital to time converter
4999331721Systems, devices, and methods for continuous time signal processing
5009331720Combined directional coupler and impedance matching circuit
5019331653Apparatus and methods for envelope shaping in power amplifier systems
5029331652Auto gain adjusting device and method thereof
5039331645Method for compensating a power amplification unit of a wireless RF module
5049329261Method and system for dynamic control of output power of a leaky wave antenna
5059329259Concurrent multiband transceiver
5069326320Systems and methods for antenna switches in an electronic device
5079326319Mobile terminal
5089326288Method and apparatus for transmitter optimization based on allocated transmission band
5099325541Modular frequency divider with switch configuration to reduce parasitic capacitance
5109325535Apparatus and methods for variable DC bias to improve linearity in signal processing circuits
5119325432Systems and methods for full-duplex signal shaping
5129325402Method and apparatus for transmitting and receiving codebook subset restriction bitmap
5139325372Upstream power amplifier
5149325357Wireless communication unit, integrated circuits and method for linearizing a transmitter signal
5159325356Single-sideband transmitter using class-S amplifier
5169325355Methods and apparatus for performing impedance matching
5179325354Wideband frequency shift modulation using transient state of antenna
5189325288Wireless communication device
5199322853Antenna device and wireless communication apparatus
5209319988Method and system for determining initial transmission power
5219319261Transmission apparatus
5229319255Transmitter, signal-synthesizing circuit, and signal-synthesizing method
5239319094Wireless transceiver with circulator and active cancellation and methods for use therewith
5249319081Communication device with improved interference rejection and a method thereof
5259319078Wireless communication device and sensing method
5269319077Active waveform shuttering for rotorcraft
5279319076Modulation method for improving signal conversion gain and high-gain modulator thereof
5289319007Three-dimensional power amplifier architecture
5299318801Dual/wideband termination for hybrid transformer
5309316723Differential high power amplifier for a low profile, wide band transmit array
5319313825Multi-mode handheld apparatus
5329313684Power consumption management in a radio access network
5339312894Radio transmitting device and radio transmitting method
5349312893Systems, methods and devices for electronic communications having decreased information loss
5359312892Digital pre-distortion circuit and method, and digital pre-distortion training circuit
5369312891Matrix for use with a radio transceiver and methods thereto
5379312890Wireless communication
5389312889Tunable wideband RF transmitter interface
5399312833Wireless circuit, and method for controlling wireless circuit
5409312823Super-efficient single-stage isolated switching power amplifier
5419312660Wireless laser system for power transmission utilizing a gain medium between retroreflectors
5429306786Short guard interval with green field preamble
5439306690Transmitter
5449306653Enhanced opportunistic mobile receive diversity for dual-SIM dual-active mobile device
5459306613Variable antenna match linearity
5469306605Electronic device having frequency shifting UART
5479306534Impedance matching apparatus and impedance matching method
5489306516Single stage switching power amplifier with bidirectional energy flow
5499306288Small antenna apparatus and method for controlling the same
5509304568Changing settings for a transient period associated with a deterministic event
5519300499Transmission apparatus and method using pre-distortion
5529300462Methods, devices, and algorithms for the linearization of nonlinear time variant systems and the synchronization of a plurality of such systems
5539300349Extremely high frequency (EHF) communication control circuit
5549300342Wireless device with dynamically adjusted maximum transmit powers
5559300333Methods for computing predistortion values for wireless systems
5569300332Wireless device and method for performing antenna tuner updates that minimizes adverse effects on transmit and receive channels
5579300331Method, apparatus and system for providing pre-emphasis in a signal
5589300286Antenna transmit receive switch
5599300252Communications based adjustments of a parallel amplifier power supply
5609298199Voltage generating circuit and polar transmitter
5619295004Duty cycling to reduce average transmit power
5629295003Resource allocation in a communication system
5639295001Signal amplification apparatus and method
5649294876Apparatus and method for generating, displaying and implementing a geo-fence using location determination of mobile devices within a location-based group
5659294176Transmitter
5669294167Method and apparatus for amplifying multiple input multiple output (MIMO) in wireless communication system
5679294148Power line communication system
5689294137Method for reducing amplitude noise in a received signal within an RFID interrogator
5699294100Frequency tuning system and method for finding a global optimum
5709294073CMOS RF switch device and method for biasing the same
5719294061Low power, low out-of-band harmonic content radio
5729294055Circuit and method for biasing a gallium arsenide (GaAs) power amplifier
5739294043Apparatus and methods for calibrating envelope trackers
5749292255Multi-stage crest factor reduction (CFR) for multi-channel multi-standard radio
5759288099Predistortion circuit and method for predistorting a signal
5769288098Methods and apparatus for envelope tracking system
5779287968Wireless communication system and data transmitter
5789287967Method, apparatus, and radio remote unit for transmitting wireless base band data
5799287910Electromagnetic resonance coupler and transmission apparatus
5809287909High speed signaling system with adaptive transmit pre-emphasis
5819287908Wireless-channel characterization and equalization
5829287907Management of coexistence of communicating sub-systems in wireless devices
5839287906Transmission apparatus and wireless signal transmission method
5849287905Method and apparatus for transmitting CSI-RS and data using partial muting of CSI-RS
5859287904Interference reduction
5869287895Method and decoder for reconstructing a source signal
5879281851Power amplifier pre-distortion signal generator using an analog baseband envelope feedback loop
5889281850Adaptive impedance translation circuit
5899281849Method and apparatus for compensating for phase shift in a communication device
5909281782Transmitter and signal processing method
5919280315Vector processor having instruction set with vector convolution function for fir filtering
5929276619Dynamic configuration of modulation and demodulation
5939276617Radio frequency domain digital pre-distortion
5949276616Integrated circuit chip inductor configuration
5959276545Method of power amplifier switching power control using post power amplifier power detection
5969276528Transmitter system with reconfigurable amplifiers
5979270511OFDM-CDMA equipment and method
5989270416Multi-mode transmitter for highly-spectrally-efficient communications
5999270393Method and system for reducing amplitude modulation (AM) noise in AM broadcast signals
6009270330Radio communication system and method
6019270316Radio frequency front-end based on high-intermediate frequency superheterodyne and zero intermediate frequency structure
6029270305Method and system for multi-mode signal transmission
6039270304Method and apparatus for nonlinear-channel identification and estimation of nonlinear-distorted signals
6049270301Method and arrangement for transmitting and receiving RF signals through various radio interfaces of communication systems
6059270300Radio frequency signal transmission method and device
6069270249Tunable impedance matching circuit
6079270248Impedance matching network with improved quality factor and method for matching an impedance
6089270231Distortion compensation apparatus, wireless transmission apparatus, and distortion compensation method
6099268909Apparatus, system, and method to adaptively optimize power dissipation and broadcast power in a power source for a communication device
6109265016Power control using fast signal time alignment
6119264916Reducing in-device interference between multiple wireless communications of a multi-mode mobile device
6129264911Apparatus and method for controlling power based on energy efficiency in multiple-input and multiple-output (MIMO) communication system
6139264529Drive strength adjustment through voltage auto-sense
6149264279Transmitter, receiver, and method for receiving and transmitting a radio frequency signal
6159264179Decision feedback equalizer for highly spectrally efficient communications
6169264114Antenna device for a radio base station in a cellular telephony system
6179264111Reassignment of data among subcarriers in wireless data communication
6189264079Apparatus and method for DC offset calibration in signal transmission device
6199264078Transmitter with quantization noise compensation
6209264077Mobile communications device including an RF transmitter providing impedance fluctuation dampening and related methods
6219264076Signal generation device
6229264011Impedance-matching switching circuit, antenna device, high-frequency power amplifying device, and communication terminal apparatus
6239263990Impedance transformer for use with a quadrature passive CMOS mixer
6249263881Digital amplitude modulation apparatus and control method of digital amplitude modulation apparatus
6259263806Method and apparatus for tuning antennas in a communication device
6269261543Power detection device and method of driving the same
6279258784Method and device for optimizing mobile radio transmitter/receiver having antenna
6289258026Mobile communication device with human body recognition function
6299258022Wide bandwidth digital predistortion system with reduced sampling rate
6309258021Low-power RX synthesizer sharing TX hardware
6319258020Scalable mapping with integrated summing of samples for multiple streams in a radio interface frame
6329258019Communication device
6339258018Transmit architecture for wireless multi-mode applications
6349257738Mobile terminal, and method for improving radiation performance and specific absorption rate of an antenna of a mobile terminal
6359253735Determining maximum power reduction (MPR) for multi-cluster wireless transmissions
6369253005Signaling of sequence generator initialization parameters for uplink reference signal generation
6379252832High-frequency circuit and communication device
6389252823Phase compensation filtering for multipath wireless systems
6399252822Adaptive non-linear model for highly-spectrally-efficient communications
6409252821Adaptive high-order nonlinear function approximation using time-domain volterra series to provide flexible high performance digital pre-distortion
6419252820Circuit and mobile communication device
6429252799Receiver with orthogonal beam forming technique
64392527242G support for 2G and 3G/4G envelope tracking modulator
6449252719Transmitter with predistorter
6459252718Low complexity digital predistortion for concurrent multi-band transmitters
6469252492Antenna tuning via multi-feed transceiver architecture
6479247445Wireless sensor module, method for processing measurement data thereby, and recording medium
6489246731Method and system for baseband predistortion linearization in multi-channel wideband communication systems
6499246722Device for providing a differential output signal and method for providing a differential output signal
6509246535Transmit receive front end
6519246530Built-in test system and method
6529246525Device and method for predistortion
6539246524Outdoor coupler unit utilizing circulator network
6549246523Transmitter signal shaping
6559246522Apparatus and method for selecting antenna paths for multiple wireless communication components
6569246521Transmission device, transmission/reception device, integrated circuit, and communication state monitoring method
6579246508Analog-to-digital conversion with noise injection via wavefront multiplexing techniques
6589246505Systems and methods for active cancellation for improving isolation of transmission gates in high-frequency analog to digital converters
6599246216System and method for adaptive beam forming for specific absorption rate control
6609240819Self-tuning transfer function for adaptive filtering
6619240813Distributed digitally convertible radio (DDCR)
6629240812Power amplification device and transmitter
6639240766Wide-band coupler
6649240757Transmission apparatus and transmission method
6659237452Method of avoiding IDC interference in a wireless communication system and apparatus for same
6669236930Methods and apparatus for antenna tuning
6679236898Multi-band observation receiver
6689236893Distortion compensation device and distortion compensation method
6699236892Combination of steering antennas, CPL antenna(s), and one or more receive logarithmic detector amplifiers for SISO and MIMO applications
6709236891Radio communication transmitter apparatus and method
6719236663Electronic device having adaptive filter circuitry for blocking interference between wireless transceivers
6729231682Method for single stream beamforming with mixed power constraints
6739231654Transmission system and control method of same
6749231643Method and apparatus for radio antenna frequency tuning
6759231639High frequency transceiver
6769231628Low-complexity, highly-spectrally-efficient communications
6779231627Adaptive ISO-Gain pre-distortion for an RF power amplifier operating in envelope tracking
6789231626Wireless communication apparatus, Doherty amplifier, and method for controlling wireless communication
6799231625Low power, low out-of-band harmonic content radio
6809231624Time alignment for an amplification stage
6819231536Multi-mode multi-band self-realigning power amplifier
6829231531Communication system and method for detecting loading variation of power amplifier thereof
6839231530System for calibrating power amplifier

2015

6849226174Improving reception by a wireless communication device
6859225565Device for generating a vector-modulated output signal and method for generating a vector-modulated output signal
6869225501Non-linear modeling of a physical system using look-up table with polynomial interpolation
6879225380Semiconductor device and fabrication method
6889225369Filtering blocker components of a signal
6899225364Distortion compensation method, distortion compensation apparatus, and non-transitory computer readable storage medium
6909225363Digital pre-distortion transmitter and method for controlling the same
6919225362Power supply
6929225361Frequency planning for digital power amplifier
6939225308Apparatus and method for amplifying a transmit signal or for determining values of a delay control parameter
6949225298System and method for power amplifier over-voltage protection
6959220067Front end radio architecture (FERA) with power management
6969219631System and method for increasing spot beam satellite bandwidth
6979219598Circuit arrangement and method for transmitting signals
6989219596Front end module with active tuning of a balancing network
6999219509System performance improvement using data reordering and/or inversion
7009219506Wireless transmitter, wireless receiver, wireless communication system, elevator control system, and transformer equipment control system
7019219505AAS transmitter distortion improvement
7029219454Method and device for controlling power amplification
7039219448Amplifier and amplification method
7049219297Amplifier module with multiple 90 degree hybrids
7059215546Point-to-multipoint microwave communication
7069215120Multi-band crest factor reduction
7079215110Hitless efficient transmitter protection of all outdoor radios
7089214973Time varying notch filter
7099214969Scalable digital predistortion system
7109214968Apparatus and methods for providing a power amplifier with interference cancellation
7119214967Circuits and methods for reducing insertion loss effects associated with radio-frequency power couplers
7129214918Power distributing duplexer system
7139214909High reliability RF generator architecture
7149214865Voltage compatible charge pump buck and buck power supplies
7159209915Calibration device and calibration method
7169209849Apparatus for enhancing efficiency of antenna in a mobile terminal
7179209846Radio communication circuit and radio communication device
7189209843Fine phase estimation for highly spectrally efficient communications
7199209842Method and circuitry for transmitting data
7209209841Adaptively controlled digital pre-distortion in an RF power amplifier using an integrated signal analyzer with enhanced analog-to-digital conversion
7219209840Same-aperture any-frequency simultaneous transmit and receive communication system
7229209839Method of antenna impedance mismatch compensation based on time-to-digital converter phase estimation
7239209769Power amplifier and communication device
7249209758RF amplifier having discrete supply voltages
7259209753Predistortion correction method, predistortion correction apparatus, transmitter, and base station
7269209749Multiplier circuit and wireless communication apparatus using the same
7279207692Transitioning from envelope tracking to average power tracking
7289204488Wireless communication transmitting and receiving system
7299204318Wireless communication system, mobile station, base station, and wireless communication method for reducing interference of data
7309203657Apparatus and methods for fixed DC bias to improve linearity in signal processing circuits
7319203531Wireless circuit
7329203529Via placement in radio frequency shielding applications
7339203525Encoding method and device
7349203500Method and apparatus for calibrating an iterative matching network tuner
7359203460Transmitter with class E amplifier
7369203450System and method for pre distortion and iterative compensation for nonlinear distortion in system employing FTN symbol transmission rates
7379203449Delay quantity estimation apparatus and delay quantity estimation method
7389203448Wireless communication apparatus
7399203447Distortion compensating device and distortion compensating method
7409203446RF transmitter for electrically short antenna
7419203385Signal component rejection
7429203362Quadrature lattice matching network
7439203353Noise conversion gain limited RF power amplifier
7449203346Load current sensor for envelope tracking modulator
7459203345Power supply circuit, power supply system, and radio communication apparatus
7469201628Maximum likelihood bit-stream generation and detection using M-algorithm and infinite impulse response filtering
7479197309Systems and methods for providing signals of multiple active wireless transmitters
7489197282Phase-optimized constant envelope transmission (POCET) method, apparatus and system
7499197259System and method for increasing bandwidth for digital predistortion in multi-channel wideband communication systems
7509197258System and method for generating a data dependent clock for a DAC in a modulator
7519197257Harmonic filtering for an up-converting, voltage mode, passive mixer
7529197256Reducing effects of RF mixer-based artifact using pre-distortion of an envelope power supply signal
7539197255RF transmitter with average power tracking and methods for use therewith
7549197254Transmitter and method of operating a transmitter
7559197187Front-end circuit and communication terminal apparatus
7569197182Envelope power supply calibration of a multi-mode radio frequency power amplifier
7579197179Low voltage transmitter
7589197176Amplification device and transmitter
7599197175Methods and systems for pre-emphasis of an envelope tracking power amplifier supply voltage
7609197168Amplitude modulation to phase modulation (AMPM) distortion compensation
7619197164RF power transmission, modulation, and amplification, including direct cartesian 2-branch embodiments
7629197163Systems, and methods of RF power transmission, modulation, and amplification, including embodiments for output stage protection
7639197162Envelope tracking power supply voltage dynamic range reduction
7649191952Wireless communication device, wireless communication method, and wireless communication system
7659191900Communication device and power control method thereof
7669191250Extended bandwidth adaptive digital pre-distortion with reconfigurable analog front-ends
7679191190Methods and apparatus for digital host-lock mode in a transceiver
7689191041Digital predistortion of wideband power amplifiers with reduced observation bandwidth
7699191040Apparatus and method for radio frequency transmission
7709191039Randomization using an XOR scrambler in multicarrier communications
7719191038Wireless bicycle communication apparatus and wireless bicycle communication system
7729191004Signal converting device and digital transmitting apparatus applying the signal converting device
7739190968Voltage driving apparatus for power amplifier, power amplifying system, power supply device and communication device
7749190962Reconfigurable power amplifier for improved low-power efficiency
7759189953RF dynamic power control and radio protection in metering devices
7769185746Dual-mode mobile terminal
7779184784Method and apparatus for digital predistortion for a switched mode power amplifier
7789184773Apparatus and methods for signal generation, reception, and self-calibration
7799184763Capacitive digital to analog converter
7809184722Adjustable impedance matching network
7819184710Digital predistortion of a power amplifier for signals comprising widely spaced carriers
7829184701Snubber for a direct current (DC)-DC converter
7839184699Variable-size mixer for high gain range transmitter
7849184493Transmission line for mobile electronic device
7859179411System and method for controlling envelope tracking in a transmitter with closed loop power control
7869179329Apparatus and method for interference mitigation
7879178627Rugged IQ receiver based RF gain measurements
7889178626System and method of enhancing signal integrity
7899178555World band radio frequency front end module, system and method thereof
7909178553Systems and methods for enhancing audio quality of FM receivers
7919178542Methods and apparatus for accurate transmitter simulation for link optimization
7929178541Cartesian digital power amplifier using coordinate rotation
7939178540Systems and methods for increasing the effectiveness of digital pre-distortion in electronic communications
7949178539Wireless transceiver with reduced transmit emissions
7959178538Multi-standard wireless transmitter
7969178264Directional coupler and wireless communication device
7979177240Communication device
7989173217Base station calibration
7999172494Modulator device
8009172410Transmitter having integrated design of multiple wireless communication modules
8019172409Multi-path digital pre-distortion
8029172408Transmitter supporting two modes
8039172407Carried recovery in re-modulation communication systems
8049172338Transformer-based RF power amplifier
8059172334Digital predistortion system and method with extended correction bandwidth
8069166834Method and system for corrupt symbol handling for providing high reliability sequences
8079166833Feed forward equalization for highly-spectrally-efficient communications
8089166707Transmitter, signal generation device, calibration method, and signal generation method
8099166635Selection of non-linear interference cancelation (NLIC) input
8109166634Electronic device with multiple antenna feeds and adjustable filter and matching circuitry
8119166562Impedance transformation network for improved driver circuit performance
8129166558High-frequency filter
8139166551Apparatus and method for matching impedance using standing wave ratio information
8149166542High frequency module and portable terminal using same
8159166539RF signal generation circuit and wireless transmitter
8169166536Transmitter architecture and related methods
8179166528RF power transmission, modulation, and amplification embodiments
8189166478Power supply device, method for managing power supply thereof and wireless communication terminal
8199166285High-frequency module
8209166267Modular ferrite switch for constructing switch networks
8219160594Peak detection in signal processing
8229160489Origin dodging for transmitted signal
8239160462Method for suppressing transmission noise comprised in received downlink signal and communications apparatus utilizing the same
8249160461Systems and methods for minimizing spurs through duty cycle adjustment
8259160380Transmission circuit, communication system and transmission method
8269160379Transmitter and transmitting method
8279160378Control method and equipment for radio-frequency signal
8289160377Multi-mode multi-band power amplifiers
8299160376Programmable stabilization network
8309160375Apparatus and method for gain of driver amplifier exponential variable in wireless transmitter
8319160277High efficiency and high linearity adaptive power amplifier for signals with high PAPR
8329160073Antenna device
8339157994Dynamic range detection and positioning utilizing leaky wave antennas
8349157947Communication apparatus and associated estimation method
8359157763Minimal dead time digitally compensated process transmitter
8369154168Signal peak-to-average power ratio (PAR) reduction
8379154167Radio frequency transmitting device and radio frequency receiving device
8389154088SPS receiver with adjustable linearity
8399154078Device, system and method of wireless communication over a plurality of wireless communication frequency channels
8409153867Reconfigurable multiband antenna
8419148324Daisy-chained ring of remote units for a distributed antenna system
8429148233Method and system for coexistence in a multiband, multistandard communication system utilizing a plurality of phase locked loops
8439148182Power combining power amplifier architectures and methods
8449148100Parallel amplifier architecture with feedback control based on reflected signal strength
8459148091Amplifier and wireless communication device
8469148090Power supply device for high frequency power amplification circuit and high frequency power amplification device
8479147937Multiple-antenna system
8489144042Method for fast automatic power control of wireless transmitters
8499143244Mitigating interference in a wireless communication system
8509143186Transceiver and communication device
8519143183Coordinate transmitter, coordinate receiver and coordinate transceiver
8529143173System and method for estimating an amplifier operating point using measurements at a receiver
8539143172Tunable matching circuits for power amplifiers
8549143171Duobinary voltage-mode transmitter
8559143103Power amplifying device and transmitter
8569143097RF power amplifier and operating method thereof
8579143093Impedance matching system that has a transformer and method for tuning a system using a transformer
8589143088Control modules
8599143085Frequency synthesizer architecture in a time-division duplex mode for a wireless device
8609142887Front end module comprising an antenna tuner
8619142877Control of a transmitter output power
8629137853Multi-mode base station and method for sending/receiving signal thereof
8639137750Reducing power consumption on multi-transmitter devices
8649137676Methods in a base station, computer programs, computer program products and base station
8659137078Daisy-chained ring of remote units for a distributed antenna system
8669137057Constellation map optimization for highly spectrally efficient communications
8679136989Method and apparatus for reducing carrier leakage
8689136887Subtracting linear impairments for non-linear impairment digital pre-distortion error signal
8699136886Digitally compensated process transmitter with minimal dead time
8709136884Communication node suitable for receiving and/or transmitting radio communications according to at least one first and one second communications protocol simultaneously
8719136883Analog compensation circuit and method
8729131442Apparatus and method for reducing power consumption in wireless communication system
8739131440Independent power consumption management in a MIMO transceiver and method for use therewith
8749130796Method and apparatus for characterized pre-distortion calibration of a power amplifier
8759130795Highly-spectrally-efficient receiver
8769130660Multiple-path noise cancellation
8779130643Systems and methods for enhancing audio quality of FM receivers
8789130642Frequency-selective circuit with mixer module implemented for controlling frequency response, and related signal processing apparatus and method
8799130636Low power, low out-of-band harmonic content radio
8809130628Digital pre-distorter
8819130627Multi-mode receiver for highly-spectrally-efficient communications
8829130626Frequency dependent I/Q impairment compensation
8839130625Interference avoidance method of pulse signal and terminal applicable thereto
8849130624Envelope feedback interference reduction and data throughput maximization
8859130623User equipment and method for radio communication system
8869130622Apparatus and method for low voltage radio transmission
8879130610Transmission apparatus and transmission method
8889130537Radio frequency transmitter, power combiners and wireless communication unit therefor
8899130530Gain synchronization circuitry for synchronizing a gain response between output stages in a multi-stage RF power amplifier
8909130522Matching device, transmitting amplifier, and wireless communication device
8919130509SPS receiver with adjustable linearity
8929130397Wireless charging and powering of electronic devices in a vehicle
8939128570Noise filtering devices, systems and methods for capacitance sensing devices
8949125203Method and apparatus for managing wireless communication network radio resources
8959125196Method and system for link adaptation at a mobile station
8969124326Look-up table based digital filter array using digital transmitter
8979124324Dual loop digital predistortion for power amplifiers
8989124323Interference reduction method
8999124316Transmit circuit, method for adjusting a bias of a power amplifier and method for adapting the provision of a bias information
9009124315Compressed amplitude wireless signal and compression function
9019124310RF transmitter having broadband impedance matching for multi-band application support
9029124267Digital transmitter and method for calibrating digital transmitter
9039124241Impedance matching apparatus
9049124215Mixer circuit
9059119220Methods and apparatus for communicating backlog related information
9069119152Hybrid techniques for antenna retuning utilizing transmit and receive power information
9079118575Transmission of delay tolerant data
9089118397Integrated transmit/receive switch
9099118371Digital transmitter and method for compensating mismatch in digital transmitter
9109118370Method and apparatus for impulsive noise mitigation using adaptive blanker based on BPSK modulation system
9119118369Signaling of sequence generator initialization parameters for uplink reference signal generation
9129118368Feeding an outgoing signal back to a pre-distortion module
9139118367Wideband power efficient high transmission power radio frequency (RF) transmitter
9149118366Method and apparatus for calibrating an envelope tracking system
9159118361Phased array antenna system with multiple beam
9169118319Reconfigurable circuit block supporting different interconnection configurations for rate-conversion circuit and processing circuit and related method thereof
9179118285Compensation of a transmitter distortion
9189118277Apparatus and methods for envelope tracking in radio frequency systems
9199113362Method and apparatus to separate coverage limited and co-channel limited interferences
9209113346Calibration
9219112748Reduction of small spurs in transmitters
9229112675Communications system
9239112558Communicating over a desired tone in the presence of interference having an unknown magnitude that is substantially constant
9249112557Wireless communication device
9259107167Envelope tracking signal bandwidth control
9269107091Method and apparatus reporting channel quality indicator of communication system
9279107089Method, apparatus, and computer program product for location based query for interferer discovery in coexistence management system
9289106765Mobile device and method for controlling the same
9299106501Quadrature power amplifier having increased efficiency
9309106416Front end module with tone injection
9319106314Concurrent multiband transceiver
9329106313Impedance conversion circuit and communication terminal apparatus
9339106293Envelope tracking power amplifier system with delay calibration
9349106292Coarse phase estimation for highly-spectrally-efficient communications
9359106277Capacitor powered mobile electronic device
9369106190Mobile wireless communications device with impedance matching and related methods
9379100921Transmit power measurement and control methods and apparatus
9389100265Digital power encoder for direct digital-RF transmitter
9399100079Wireless transceiver and method of controlling the wireless transceiver
9409100071Timing pilot generation for highly-spectrally-efficient communications
9419100070Method and system for mitigating transformer saturation in a communication interface
9429099962Systems and methods to adjust the matching conditions of an amplifier
9439099959Fractional frequency dividing circuit and transmitter
9449098099Device and method for increasing output efficiency of mobile communication terminal
9459094928Multiple network mobile device connection management
9469094101Signal amplifiers that switch to an attenuated or alternate communications path in response to a power interruption
9479094068Transmit noise and impedance change mitigation in wired communication system
9489094067Method and apparatus for calibrating an envelope tracking system
9499094024Signal processing apparatus and method, receiving apparatus and method, and, transmitting apparatus and method
9509094004Transmitter system with digital phase rotator used for applying digital phase rotation to constellation data and related signal transmission method thereof
9519093960Transmitter and method with RF power amplifier having predistorted bias
9529093739Device including an antenna and method of using an antenna
9539088467Peak-to-average power reduction method
9549088334Transceiver with asymmetric matching network
9559088321Differential transmission circuit and electronic apparatus
9569088320Transmitter with pre-distortion module, a method thereof
9579088319RF transmitter architecture, integrated circuit device, wireless communication unit and method therefor
9589088258RF power amplifier with linearity control
9599088075Method and system for configuring a leaky wave antenna utilizing micro-electro mechanical systems
9609084128LTE/1X dual-standby with single-chip radio
9619084124Methods and apparatus for performing passive antenna testing with active antenna tuning device control
9629083453Power supply generator with noise cancellation
9639083431Communication apparatus and communication method
9649083415Method and device for antenna searching with antenna selection
9659083402High frequency circuit and high frequency module including the same
9669083397Analog/digital modulation apparatus and method for controlling the same
9679083395Multiple-mode broadband wireless communication device and method
9689083282Apparatus and methods for power amplifiers
9699078215Programmable transmit continuous-time filter
9709078211Power management configuration for TX MIMO and UL carrier aggregation
9719077600OFDM-CDMA equipment and method
9729077421Systems and methods for hybrid self-interference cancellation
9739077410Apparatus and method of transmitting data in multi-carrier system
9749077409Signal processing system and signal processing method
9759077408Circuitry and techniques for calculating scaling factors for crest factor reduction
9769077405High efficiency path based power amplifier circuitry
9779077392High-frequency switching assembly, transmitter and method
9789077388System for near field communication (NFC) and frequency modulation (FM) communication and portable electronic device using the same
9799077317Method and apparatus for automatically tuning an impedance matrix, and radio transmitter using this apparatus
9809077310Radio frequency transmitter, power combiners and terminations therefor
9819077297Power amplifier time-delay invariant predistortion methods and apparatus
9829077086Portable communication apparatus
9839072175Synthesizer for transmitter and digital amplitude modulator
9849072119Mobile communication device and integrated circuit thereof
9859072043Optimizing power consumption of a base station
9869071496All-digital multi-standard transmitter architecture using delta-sigma modulators
9879071306Transmission apparatus, reception apparatus, communication system, circuit apparatus, communication method, and program
9889071305Timing synchronization for reception of highly-spectrally-efficient communications
9899071304Digital-to-time converter and methods for generating phase-modulated signals
9909071303Level de-multiplexed delta sigma modulator based transmitter
9919071302Radio-frequency power amplifier circuitry with power supply voltage optimization capabilities
9929071300Signal transceiver with enhanced return loss in power-off state
9939071293Transmitter data path single-ended duty cycle correction for EMI reduction
9949071244Ground referenced single-ended signaling
9959071227High-frequency module
9969071220Efficient N-factorial differential signaling termination network
9979071197Harmonic rejective passive up converter
9989070062Streamlined apparatus and methods for RFID communication
9999069365DC-DC converter enabling rapid output voltage changes
10009069054Microwave transmission apparatus
10019069043Termination circuit, semiconductor device, and test system
10029066368Method of calibrating the delay of an envelope tracking signal
10039065522Radio frequency front-end module, and radio access network device and control method
10049065516Low complexity maximum likelihood detection of concatenated space codes for wireless applications
10059065509Methods and apparatus for envelope tracking system
10069065508Transmitter harmonic cancellation for carrier aggregation/multiband operation
10079065507Mixing stage, modulator circuit and a current control circuit
10089065506High-frequency switch module
10099065505Optimal switching frequency for envelope tracking power supply
10109065504Transmitter front end with programmable notch filter and methods for use therewith
10119065491Adjusting phase imbalance between in-phase (I) and quadrature-phase (Q) signals
10129065422Frequency stabilization circuit, antenna device, and communication terminal apparatus
10139065405Compensating for non-linear capacitance effects in a power amplifier
10149065397Systems and methods for a radio frequency transmitter with improved linearity and power out utilizing pre-distortion and a GaN (gallium nitride) power amplifier device
10159065396Apparatus for compensating for distortion of transmitter array in radio communication system and method for controlling the same
10169059781Radio communication device, transmission circuit and buffer circuit
10179059767Microwave transmission method, apparatus, and system using CCDP and XPIC
10189059766System and method for controlling current to certain components of a wireless communication device
10199059759Switchable antenna elements for a wireless communications device
10209059749Antenna port mode and transmission mode transitions
10219059661Variable-size mixer for high gain range transmitter
10229055608Frequency band admission
10239055590Transmitter warm-up using dummy frame generation
10249055529System and method for adaptive in-network time alignment for envelope tracking power amplifier
10259054940System and method for linearizing power amplifiers
10269054928Crest factor reduction
10279054798Non-foster circuit stabilization method
10289054780Radiation power level control system and method for a wireless communication device based on a tracked radiation history
10299054772Adaptive impedance matching circuit and method for matching for duplex operation standards
10309054758High efficiency linearization power amplifier for wireless communication
10319054756Adaptive tuning of an impedance matching circuit in a wireless device
10329054751Wideband transmitter front-end
10339054652Using fractional delay computations to improve intermodulation performance
10349054643Method and apparatus for calibrating an envelope tracking system
10359048901Wireless interface within transmitter
10369048900All digital transmitter noise correction
10379048898Front end module
10389048802Radio frequency power amplifier with linearizing predistorter
10399048800Power amplifier power controller
10409048796Transmission signal power control apparatus, communication apparatus and predistortion coefficient updating method
10419042933Inter-cell interference coordination for wireless communication systems
10429042848Method and apparatus for calibrating an envelope tracking system
10439042847Filter, receiver, transmitter and transceiver
10449042838Transmit leakage cancellation in a wide bandwidth distributed antenna system
10459042816Methods and apparatus for improving NFC coil tuning based on proximity to a remote NFC device
10469042276Multiple co-located multi-user-MIMO access points
10479037101Switching power between power amplifier systems in a remote radio head system
10489037100Wireless transmitter
10499036735Apparatus and method for adaptively selecting channel code based on non-gaussianity of channel in wireless communication system
10509031599System and method for power control
10519031522Envelope power supply calibration of a multi-mode radio frequency power amplifier
10529031520Transmitter and method with RF power amplifier having control loop stabilized bias
10539026069Method and device for sending signals between a radio frequency circuit and a baseband circuit
10549026068Tunable system and method for tuning a system
10559026067Remotely reconfigurable power amplifier system and method
10569026048Detecting a presence of near field communications (NFC) devices
10579020454Linearization and calibration predistortion of a digitally controlled power amplifier
10589020453RF amplifier architecture and related techniques
10599020452Envelope power supply calibration of a multi-mode radio frequency power amplifier
10609020451Programmable RF notch filter for envelope tracking
10619014750Wireless communication device
10629014647Methods for directional coupler termination impedance control
10639013541System and method for broadcast station adjacency
10649008713Method of cutting off a transmission signal of a main transmitter relayed by a cell of a base station and associated system
10659008597Direct current (DC)-DC converter having a multi-stage output filter
10669008596Method for regulating the transmission power of a transmitting station, and transmitting station
10679008595Testing method detecting incorrectly connected antenna contacts
10689002303Method and apparatus for programmable envelope shaping circuit based on piecewise linear interpolation
10699002302Digital Predistortion for nonlinear RF power amplifiers
10709002301Avoiding frequency spikes in modulated systems
10719002297Mobile device and tunable antenna therein
10728995939Method and apparatus for power cutback in a simultaneous dual frequency band call
10738995938Radiation power level control system and method for a wireless communication device having tunable elements
10748995937Method and system for controlling power for a power amplifier utilizing a leaky wave antenna
10758995936Communication system with band, mode, impedance and linearization self-adjustment
10768989685Look-up table based configuration of multi-mode multi-band radio frequency power amplifier circuitry
10778989683Ultra-wideband high power amplifier architecture
10788989681Calibration of communication apparatus
10798989680Determining a state of a receiver on a transmission line
10808989305Apparatus and method for generating multiband radio frequency signals in maritime wireless communication
10818983411Gain control methods to control an adjustable power level
10828983410Configurable 2-wire/3-wire serial communications interface
10838983409Auto configurable 2/3 wire serial interface
10848983408Method and system for estimating and compensating non-linear distortion in a transmitter using calibration
10858983407Selectable PA bias temperature compensation circuitry
10868983406Signal path termination
10878971833Electronic device with dynamic drive strength adjustment to mitigate impact of system noise on wireless performance
10888971830Multi-mode multi-band power amplifier module
10898971829Convergence estimation for iterative predistortion factor determination for predistortion in power amplifiers
10908971828Predistortion device, method for predistortion, and transmitter/receiver system that reuse an analog receiving circuit in a half duplexing system and a full duplexing system, and that reduce the requirement on the analog receiving circuit
10918971792Signal amplifiers that switch to an attenuated or alternate communications path in response to a power interruption
10928971178Calibration correction for implicit beamformer using an explicit beamforming technique in a wireless MIMO communication system
10938970343Reteachable switching circuit with ability for locking
10948965454Amplifier system for cell sites and other suitable applications
10958965312Momentary burst protocol for wireless communication
10968965310Modular frequency divider and mixer configuration
10978965308Mobile wireless communications device with reduced harmonics resulting from metal shield coupling
10988965307Cryogenic high power filters for high frequency shipboard applications
10998965276Radio antenna assembly and apparatus for controlling transmission and reception of RF signals
11008958777Caller switching during an active voice call
11018958763PA bias power supply undershoot compensation
11028958762Apparatus and method for power management
11038958760Dynamic transmit configurations in devices with multiple antennas
11048957729Memory structure having taps and non-unitary delays between taps
11058954021Group III-N transistors on nanoscale template structures
11068948714Low noise converter of satellite broadcasting receiver
11078948712Via density and placement in radio frequency shielding applications
11088948711Apparatus and method for determining dielectric access in portable terminal
11098942653Apparatus and method for low power amplification in a wireless communication system
11108942652Split VCC and common VCC power management architecture for envelope tracking
11118942651Cascaded converged power amplifier
11128942650RF PA linearity requirements based converter operating mode selection
11138942649Radio-frequency transmitter and amplifier
11148934857Controlling field distribution of a wireless power transmitter
11158934856System and method to calibrate the frequency response of an electronic filter
11168934854Transmitter with peak-tracking PAPR reduction and method therefor
11178929844Variable gain control transformer and RF transmitter utilizing same
11188929842Apparatus and method for body protection from electromagnetic fields

2014

11198923787Low sampling rate adaptation scheme for dual-band linearization
11208923786Method of controlling RF transmissions to mitigate interference with critical care medical equipment
11218918069Compact wide dynamic range transmitter for point to point radio
11228913973Methods for determining optimum power supply voltages for radio-frequency power amplifier circuitry
11238913972Antenna clustering for multi-antenna aperture selection
11248913971Selecting PA bias levels of RF PA circuitry during a multislot burst
11258913970Wireless transceiver with amplifier bias adjusted based on modulation scheme
11268913969Fast amplitude based pre-distortion calibration for a radio frequency power amplifier
11278913968Power reduction and linearizing techniques of transmitters
11288913967Feedback based buck timing of a direct current (DC)-DC converter
11298909306Method to conserve power on a wireless mobile device using web browser state knowledge
11308909180Method and apparatus for power supply modulation of a radio frequency signal
11318909179Method and apparatus for controlling transmit signal of radio frequency power amplifier
11328909178Method, RF module and test method for enabling power amplifier to support multiple powers
11338909176Multi-dimensional volterra series transmitter linearization
11348909175Transmitter and method for RF power amplifier having a bandwidth controlled, detroughed envelope tracking signal
11358903385Wireless transmission system
11368903338Linearization of power amplifiers through digital in-band predistortion followed by analog predistortion
11378903337Multi-band wide band power amplifier digital predistortion system
11388903336Method for compensating signal distortions in composite amplifiers
11398903329Switchable antenna elements for a wireless communications device
11408902015Radio frequency power load and associated method
11418897730Radio frequency switch circuit
11428897729Closed-loop power control using multiple feedback loops
11438897728Method for memory effects quantification and comparison in RF transmitters and amplifiers
11448897724Method for controlling fast tracking power supply, fast tracking power supply, and system
11458897717Dual-feed antenna array with integral comparison circuit for phase and amplitude calibration
11468892063Linear mode and non-linear mode quadrature PA circuitry
11478892062Closed-loop efficiency modulation for use in network powered applications
11488892057Carrier aggregation radio system
11498891668System and method for estimating and correcting phase shift in a wireless communication device
11508891480Positioning reference signals in a telecommunication system
11518891347User-focusing technique for wireless communication systems
11528886247Proximity based power throttling
11538886140Systems and methods for silencing wireless devices
11548886139Beamforming by sector sweeping
11558880014CMOS RF switch device and method for biasing the same
11568880013Gain control in a shared RF front-end path for different standards that use the same frequency band
11578880012Method and apparatus for resource block based transmitter optimization in wireless communication devices
11588880011Power amplifiers with improved power control
11598874177Reducing WLAN power consumption on a mobile device utilizing a cellular radio interface
11608874053Low variation current multiplier
11618874052Method and apparatus for improving efficiency and distortion leakage in a wireless power amplifier
11628874051Systems and methods for power control in a multiple standard mobile transmitter
11638868021Ultra-broadband planar millimeter-wave mixer with multi-octave IF bandwidth
11648868015Transmit architecture for wireless multi-mode applications
11658868012Frequency-multiplied harmonic supression method for RF circuit
11668866549Method of power amplifier calibration
11678862080Phase shifter and method for controlling same, and radio communication device with array antenna
11688862079Mobile device and method for controlling the same
11698862078Communication method and apparatus for multi-standby mode in a communication terminal
11708862077Gain control using a dynamically configurable transformer
11718861428Detection and mitigation of ingress interference within communication links
11728855708Data rate in mobile communication networks
11738855699Method and arrangement for determining a minimum transmit power gain factor for an enhanced uplink data communication
11748855587Power consumption management based on receiver parameter and method for use therewith
11758855586Active antenna array and method for transmitting radio signal
11768855584Matching network for transmission circuitry
11778849221Direct conversion transmitter and communication system utilizing the same
11788843089Pre-distortion for a radio frequency power amplifier
11798843088Minimum feedback radio architecture with digitally configurable adaptive linearization
11808843087Radio frequency combiner
11818838051Transmitter beamforming power control
11828838050Power amplifier for time division multiple access
11838838049Method and arrangement for transmitting and receiving RF signals through various radio interfaces of communication systems
11848838045Sub-band duplexer with active frequency tuning
11858831544Dynamic device switching (DDS) of an in-phase RF PA stage and a quadrature-phase RF PA stage
11868831543Method and system for a linearized transmitter including a power amplifier
11878831541Multiple antenna wireless telecommunication method and system
11888831540Amplitude modulation utilizing a leaky wave antenna
11898824985Mobile device and method for controlling the same
11908824984Outphasing power combining by antenna
11918824983System and method of prebias for rapid power amplifier response correction
11928824982Time-variant antenna enabled by switched capacitor array on silicon
11938824981Recalibration of envelope tracking transfer function during active transmission
11948824980System and method to implement a radio transmitter with digital predistortion having reduced noise
11958824979Interference management employing fractional frequency reuse
11968824978RF amplifier architecture and related techniques
11978818305Supply transitions in an envelope tracked power amplifier
11988818304Transmitter with class E amplifier
11998818302Harmonic trap circuit for linear differential power amplifiers
12008818301Transmission device
12018818259Method and arrangement in a radio base station working in a pre-coding mode for repeater selection
12028812045Method for controlling transmission power in a multi-antenna wireless communication system
12038812013Peer and composite localization for mobile applications
12048811931Radio apparatus
12058811923Integrated voltage controlled oscillator-based transmitter
12068811922LTE/1X dual-standby with single-chip radio
12078811921Independent PA biasing of a driver stage and a final stage
12088811918Distribution of transmit signal to multiple transmit antennas for reduction of measured specific absorption rate
12098811917Digital hybrid mode power amplifier system
12108811914Method and apparatus for dynamically processing an electromagnetic beam
12118811198Pilot report based on interference indications in wireless communication systems
12128810285Semiconductor integrated circuit apparatus and radio-frequency power amplifier module
12138805432Mobile communication terminal and transmission power control method of the same
12148805304Linearization of broadband power amplifiers
12158805303Method and apparatus for avoiding in-device coexistence interference with preferred frequency notification
12168804610Packet transmission scheduling method for simultaneous packet transmission in multiplexing paths in wireless network, and packet transmission method using the same
12178798564Transmitter with replaceable power amplifier
12188798563Method and apparatus for decreasing power consumption of power amplifier
12198798562Transmit power amplification control for wireless device
12208798560Multiple frequency band information signal universal front end with adjustable analog signal path components
12218798559FIR/IIR filter predistorter for power amplifiers exhibiting short-term and/or long-term memory effects
12228798558Reducing out-of-band emission
12238798553Signal processing circuit, signal processing method and control program recording medium
12248798549Radio communication device having carrier phase noise elimination function, and radio communication method
12258792946Electronic circuit and radio communications system
12268792930Power management for wireless transmissions
12278792840Modified switching ripple for envelope tracking system
12288788898Remote testing system
12298787962Transmit opportunity detection
12308787852Reconfigurable wide-band receiver with positive feed-back translational loop
12318787851System and method for quickly power amplifier control
12328787850Compensating for non-linear capacitance effects in a power amplifier
12338787848RF adapter for field device with low voltage intrinsic safety clamping
12348781421Time-domain diversity combining of signals for broadcast receivers
12358781419Method of cooperative data transmission between terminals and a method of receiving data
12368781418Power amplification based on phase angle controlled reference signal and amplitude control signal
12378781417Hybrid techniques for antenna retuning utilizing transmit and receive power information
12388781415Distortion correction based feedforward control systems and methods for radio frequency power sources
12398781414Envelope detector and method for detecting an envelope of a signal to be amplified by a power amplifier
12408781025Discrete digital transmitter
12418780775Method and device for reducing power drain while camped on a wireless local area network
12428774804Context-retention controller and method for context retention in wirless access networks
12438774742High efficiency transmitter
12448774741Reconfigurable power amplifier for improved low-power efficiency
12458774740Power control for power amplifiers
12468774739Multi-mode power supply regulator for power amplifier control
12478774737Transmission module and phased array antenna apparatus
12488771184Wireless medical diagnosis and monitoring equipment
12498768273Systems and methods for power sensing and antenna tuning
12508768272Method for single stream beamforming with mixed power constraints
12518768271Group III-N transistors on nanoscale template structures
12528761699Extendable-arm antennas, and modules and systems in which they are incorporated
12538761698Transmit circuit, method for adjusting a bias of a power amplifier and method for adapting the provision of a bias information
12548761697Signal processing device and method for providing a first analog signal and a second analog signal
12558761695Transmitter
12568761694Multiple antenna transceiver
12578755835Multi-mode handheld apparatus
12588755774Broadcast transmitting apparatus and method for processing broadcast signals
12598755760Radio receiver, radio communication system, radio communication method, and program
12608755759DC power control for power amplifiers
12618755758Technique for suppressing noise in a transmitter device
12628755757Amplifier apparatus, radio transmitting apparatus including same, and method of adjusting gain of amplifier apparatus
12638755756Active cancellation of interference in a wireless communication system
12648750813Method and system for a dynamic transmission gain control using a dedicated power amplifier driver in a radio frequency transmitter
12658750812Switchable vramp limiter
12668750810Power amplifier with switched output matching for multi-mode operation
12678744513Interaction between maximum power reduction and power scaling in wireless networks
12688744396Compact modular upgrade for GMR software defined tactical radio
12698744384Tunable microwave devices with auto-adjusting matching circuit
12708744381Adjustment module, electronic device with the adjustment module, and antenna performance adjusting method thereof
12718744378LINC transmitter with improved efficiency
12728744377Method and apparatus for adaptive non-linear self-jamming interference cancellation
12738737942Method and system for generating odd order predistortions for a power amplifier receiving concurrent dual band inputs
12748737941Gain control systems and methods for controlling an adjustable power level
12758737939Method and apparatus for detecting presence of an unmodulated RF carrier prior to a communication frame
12768737938Signal Transmitter linearization
12778737937Distortion compensation apparatus, transmitter, and distortion compensation method
12788737935Multi-band up-convertor mixer
12798737934Setting SAR exposure limit of mobile devices
12808737920Method and apparatus for managing wireless communication network radio resources
12818731625Mobile terminal and method of write protection for memory card in the mobile terminal
12828731601Energy saving management method for base station, apparatus and system
12838731593Method and apparatus for processing transmit power control (TPC) commands in a wideband CDMA (WCDMA) network
12848731498Temperature correcting an envelope power supply signal for RF PA circuitry
12858731496Power amplifier power controller
12868731495System and method for digital memorized predistortion for wireless communication
12878731492System for monitoring and controlling the power of a radio frequency (RF) signal in a short-range RF transmitter
12888731491Interference reduction systems and methods
12898731490Methods and circuits for detuning a filter and matching network at the output of a power amplifier
12908725219Automatic transmit mode selection for a communication device
12918725214Method of tuning a frequency agile electrically small tactical AM broadcast band antenna system
12928725201Multi-carrier receiving device and method
12938725095Planar inverted-F antennas, and modules and systems in which they are incorporated
12948725094Communication terminal device and control method
12958725093Radio frequency transmission device and method with multi-mode and full frequency band
12968725092Methods and apparatuses for frequency filtering for non-centered component carrier transmission
12978725090Method for single stream beamforming with mixed power constraints
12988725078Approach for enabling coexistence for radio technologies
12998718583Method and apparatuses for transmitter to multi-carrier power amplifier configuration
13008718581Method and apparatus for optimizing current consumption of amplifiers with power control
13018718580Broadband high efficiency amplifier system incorporating dynamic modulation of load impedance
13028718579Envelope tracking power amplifier system with delay calibration
13038718578Circuit arrangement with improved decoupling
13048718577Method and apparatus for minimizing local oscillator leakage in a transmitter
13058718576Radio frequency modulator and method thereof
13068718190Receiver/transmitter capable of simultaneously receiving/transmitting discontinuous frequency signals and method thereof
13078717986Apparatus and method for determining MIMO/DSM operating mode
13088717956Adaptive power-saving/power-saving support method in wireless communication system and apparatus using the same
13098712350RF amplifier with digital filter for polar transmitter
13108712349Selecting a converter operating mode of a PA envelope power supply
13118712348Apparatus and method for controlling a tunable matching network in a wireless network
13128712345Distortion compensation device, distortion compensation method, and radio transmitter
13138712344Transmitter having a programmable amplifier operating class
13148707079Method and apparatus for transmitting data
13158706064Systems and methods to adjust the bias of an amplifier
13168706063PA envelope power supply undershoot compensation
13178706061Method for simultaneous transmitter operation
13188706060Reducing power consumption on multi-transmitter devices
13198704604Oscillators having arbitrary frequencies and related systems and methods
13208699976Transmitter with hybrid closed loop power control
13218699975Directional coupler architecture for radio frequency power amplifier
13228699974Wideband transmitter front-end
13238699973PA bias power supply efficiency optimization
13248699972Transmit power calibration in a communication system
13258699970Method and system for determining the amplitude and/or phase of the output signal for a transmission body depending on the amplitude of the input signal
13268693965Solar powered transmitter
13278693964Power amplifier adjustment for transmit beamforming in multi-antenna wireless systems
13288693963Tunable microwave devices with auto-adjusting matching circuit
13298693962Analog power amplifier predistortion methods and apparatus
13308693961System and method for improving power efficiency of a transmitter
13318688061System and method for biasing a power amplifier
13328688058Techniques for improving transmitter performance
13338687676Efficient storing of backoff and crestcomp values
13348687561Method and system for link adaptation using metric feedback
13358682268Noise suppression
13368676138Method of handling system information reception and related communication device
13378670732Broadband amplifier system using a 3dB quadrature combiner to dynamically modulate load impedance
13388670731Power amplification apparatus and power amplification method
13398670730Power efficient radio frequency transmitter
13408670729Method and system for level detector calibration for accurate transmit power control
13418670719Multi-point opportunistic beamforming with selective beam attenuation
13428666342Reflection-type variable attenuators
13438666341Multi-mode communication unit
13448666339Radio frequency power amplifier with low dynamic error vector magnitude
13458666337System and method for power amplifier control saturation detection and correction
13468666336Digital pre-distortion with model-based order estimation
13478666335Wireless device with N-phase transmitter
13488660505Integrated transmitter with on-chip power distribution
13498660504Method for controlling the transmission power of a transmitter system integrated in an electronic housing of a motor vehicle, and electronic housing thus obtained
13508660500Method and system for a voltage-controlled oscillator with a leaky wave antenna
13518655304Methods and apparatus for detecting and mitigating radio interference among user equipment and base stations of geographically co-located and spectrally distinct wireless systems
13528655293PA bias optimization for modulation schemes with variable bandwidth
13538655291System and method for dynamically improving call connection
13548655290Antenna with built-in filter and electronic device
13558655289Distortion compensation device, transmitter, and distortion compensation method
13568654707Method and system of implementing a radio network in unlicensed spectrum
13578649748Method and apparatus for dynamic transmitter to multi-carrier power amplifier mapping
13588649747Dynamically adjusting antenna polarization in a wireless communication system
13598649746Apparatus and method for processing reduced bandwidth envelope tracking and digital pre-distortion
13608649745Adaptive predistortion for a non-linear subsystem based on a model as a concatenation of a non-linear model followed by a linear model
13618649744Radio-frequency transmitter, such as for broadcasting and cellular base stations
13628649743Transmitter linearized using inversing and non-inversing transform processing sections and method therefor
13638644777System and method for power amplifier over-voltage protection
13648643691Gaze accurate video conferencing
13658640174Method for retrieving content, wireless communication device and communication system
13668639996Systems and methods for uplink inter-cell interference cancellation using hybrid automatic repeat request (HARQ) retransmissions
13678639201Voltage regulator for high performance RF systems
13688639200Devices and method for using a DC-DC converter in a mobile handset
13698639199System and method for high performance coherent peak compression estimation
13708639197Method and system to prevent harmonics from causing distortion in a communications system
13718634870Portable communication terminal, and power amplification control method and program
13728634783Communication device with reduced noise speech coding
13738630597Antenna tuner and method for adjusting antenna impedance
13748630596System and method for adaptive beamforming for specific absorption rate control
13758626229Quality of service-constraint centralised power allocation method
13768626095Mobile device and method for controlling the same
13778626094Method and apparatus for compensating code channel power in a transmitter
13788626092Low variation current multiplier
13798626091Envelope tracking with variable compression
13808626090Circuit and method for interference reduction
13818626089Adaptive predistorter coupled to a nonlinear element
13828626088Data communication scheduling

2013

13838620242High performance transmitter preamplification chain with calibration feedback
13848620240Power amplifier and power amplifying method
13858620239Dynamic DC-offset determination for proximity sensing
13868620238Method of power amplifier switching power control using post power amplifier power detection
13878620236Techniques for improved adaptive impedance matching
13888620235Thermal management for data modules
13898620234High efficiency linearization power amplifier for wireless communication
13908620233Method of power amplifier predistortion adaptation using compression detection
13918620232Post filter for spectral domain echo cancellers to handle non-linear echo components
13928620231Mobile wireless communications device with reduced harmonics resulting from metal shield coupling
13938620229Current drain improvements in telematics devices using adjacent cell signal measurement reduction
13948619903Crest factor reduction for a multicarrier-signal with spectrally shaped single-carrier cancelation pulses
13958615277Electronic device having functional blocks individually controlled to selectively enter power-saving mode and related power control method thereof
13968615208Transmitter linearized in response to signal magnitude derivative parameter and method therefor
13978615207Power amplifier linearization feedback methods and systems
13988611959Low cost, active antenna arrays
13998611837Method and apparatus for power cutback in a simultaneous dual frequency band call
14008611836Amplifier gain adjustment in response to reduced supply voltage
14018611835Method and apparatus for sensing the envelope of high level multi frequency band RF signals
14028611834Matching network for transmission circuitry
14038606201Mobile communication terminal, and method and program for switching transmission power
14048606200Error vector magnitude control within a linear transmitter
14058606199Control of switcher regulated power amplifier modules
14068606197Method and system for generating odd order predistortions for a power amplifier receiving concurrent dual band inputs
14078606184Coexistence message processing mechanism for wireless devices
14088605922Antenna system with parasitic element for hearing aid compliant electromagnetic emission
14098600323Method, device, and system for sending reference signals
14108600322Method for transmitting a signal below a current transmit power in a network
14118600321Radio transmitter and envelope tracking power supply control method
14128600318Transmit power management for a communication device and method for use therewith
14138600313Radio communication method in radio communication system, terminal apparatus, base station apparatus, and radio communication system
14148599962Power control using distortion measurement
14158594695Using location information to set radio transmitter characteristics for regulatory compliance
14168594611Intrinsically safe portable radio architecture
14178594595Wireless terminal capable of suppressing the power consumption of a main power supply unit
14188594593Frequency converter and transmitter
14198594590Method for controlling peak-to-average power ratio of single carrier FDMA system
14208594589Power amplifier, power amplification method, and storage medium
14218588712Modulation method and apparatus
14228588711Transmission apparatus and distortion compensation method
14238587430Active logistical tag for cargo
14248583064Receiver for estimating and compensating for in-phase/quadrature mismatch
14258583063Antenna configuration selection by a wireless communication device
14268583062Methods for determining optimum power supply voltages for radio-frequency power amplifier circuitry
14278583061Peak suppression on multicarrier
14288577314Method and system for dynamic range detection and positioning utilizing leaky wave antennas
14298577313Systems and methods of RF power transmission, modulation, and amplification, including output stage protection circuitry
14308577311Predistortion of amplifier input signals
14318577310System and method for transceivers in a wireless network
14328571503Signal receiving methods and devices
14338571499Wireless terrestrial communications systems using a line-of-sight frequency for inbound data and a non-line-of-sight frequency for outbound data
14348571498Multi-mode/multi-band power management system
14358571497Closed-loop power control in conjunction with adaptive power amplifier linearization
14368571496Semiconductor device for signal amplification
14378571495Distortion compensation apparatus and method
14388571492DC-DC converter current sensing
14398571472Proximity sensor module and electronic device using same
14408570913De-multiplexing a radio frequency input signal using output transformer circuitry
14418565698Method and apparatus for integrating power amplifiers with phase locked loop in a single chip transceiver
14428565697Distortion compensation apparatus and method
14438565696Calibration of a communications transmitter to optimize DC offset rejection and image rejection
14448565694Split current current digital-to-analog converter (IDAC) for dynamic device switching (DDS) of an RF PA stage
14458565343Transmit power control utilizing loopback error vector magnitude thresholds
14468559898Embedded RF PA temperature compensating bias transistor
14478559897Information processing apparatus and radio wave intensity control method
14488559896System and method for radio power level control
14498559895Antenna array pattern distortion mitigation
14508554163System and method for dynamic cell searching
14518554162High efficiency power amplifier
14528554161Circuit and method for biasing a gallium arsenide (GaAs) power amplifier
14538554160AM transmitter and modulation method using same
14548554159Direct FM/PM modulation
14558554158Current saving by reduced modulation code and selective gating of RF signal
14568548403Baseband-derived RF digital predistortion
14578548402Power amplification device and method for acquiring power adjusting coefficient
14588548401Amplifier circuit, control method for supplying power to amplifier circuit, and transmission device
14598548400System and method for polar modulation using power amplifier bias control
14608548398Envelope power supply calibration of a multi-mode radio frequency power amplifier
14618548091Measuring and correcting errors in a transmit chain with an IQ up-converter and IQ down-converter
14628543072High accuracy programmable gain amplifier
14638543063Multi-point opportunistic beamforming with selective beam attenuation
14648542767Digital predistortion training system
14658538474Method and apparatus of adjusting transmission power
14668538359Methods and apparatuses of network system with power saving functions
14678538358System and method for digitally controlling the launch of high-power broadband radio frequency waves with high linearity
14688538356Transmit power amplification control for wireless device
14698538355Quadrature power amplifier architecture
14708538354Method and system for controlling signal transmission of a wireless communication device
14718538352Radio base transceiver station and power supplying method
14728538351Radiation power level control system and method for a wireless communication device based on a tracked radiation history
14738538349Method and device for pre-distorting an exciter and predistortion exciter
14748532724Transmitters for wireless power transmission
14758532595Optimized power amplifier and switching power supply topology
14768532592Integrated signal analyzer for adaptive control of mixed-signal integrated circuits
14778531155Portable electronic device and capacitive charger providing data transfer and associated methods
14788526896Feedback compensation detector for a direct conversion transmitter
14798526536Quad LINC transmitter with switchable Chireix amplifiers
14808521107Minimizing mutual coupling
14818521106Method and system for a sub-harmonic transmitter utilizing a leaky wave antenna
14828521104Amplifier structure and amplification method thereof
14838515368Gain control using a dynamically configurable transformer
14848515367Transmission circuit and transmission method
14858515366Accurate transmit power measurement
14868515365Signal processing circuit and method thereof
14878515364Radio-frequency transmitter and amplifier
14888515363Systems and methods for providing a reduced power amplifier transmission mode
14898514663Acoustic and magnetostrictive actuation
14908514019Distortion compensation amplifier
14918509838User equipment apparatus for simultaneously transmitting signals via a plurality of wireless communication chips to which different wireless communication schemes are applied and method for controlling transmission power thereof
14928509714Bias modulation apparatus, and apparatus and method for transmitting signal for wideband mobile communication using the same
14938509712Multi-dimensional volterra series transmitter linearization
14948504123Telephone ringing signal-based notification method for mobile devices
14958504121Method and apparatus for reducing power consumption in a portable device
14968504039Efficient reselections in the presence of closed subscriber group cells
14978504020Aircraft cabin personal telephone microcell
14988504002Method and device with dynamic dormancy
14998503952Compensation of an asymmetric frequency response of a radio
15008503344Notification method, access point, station, and wireless system
15018498593Switching power supply
15028498592Method and apparatus for improving energy efficiency of mobile devices through energy profiling based rate adaptation
15038498591Digital Predistortion for nonlinear RF power amplifiers
15048498590Signal transmitter linearization
15058494524Method for collecting interference status information of subscriber station by coexistence base station
15068494465System and method for providing independent polarization control
15078494463Pre-distortion for a radio frequency power amplifier
15088494462Circuit arrangement and method for setting an analog output signal
15098494461Radio frequency transmitter for a wireless local area network device
15108494460System and method for a dual-path transmitter
15118493954Method and apparatus for reducing digital to analog conversion (DAC) bits in frequency division multiple access (FDMA) system
15128489138Method and apparatus for uplink power control during soft handover
15138489109Portable wireless device
15148489059Wearable access point
15158489047Transmitter linearized using bias deviation gain adjustment and method therefor
15168489046Signal decomposition methods and apparatus for multi-mode transmitters
15178489044System and method for reducing or eliminating temperature dependence of a coherent receiver in a wireless communication device
15188489043Distortion compensation apparatus and apparatus and method for transmitting signal
15198489042Polar feedback linearization
15208489041Multi-element amplitude and phase compensated antenna array with adaptive pre-distortion for wireless network
15218489040Double clipped RF clock generation with spurious tone cancellation
15228489039Beamformed multi-input multiple-output communication with uplink transmission rotation
15238483633Method and apparatus for alarming in a power supply modulated system
15248483631Method and apparatus for predistorting a waveform for input to an amplifier
15258483626Software-defined radio
15268483415Antenna system with parasitic element for hearing aid compliant electromagnetic emission
15278478250Interactive media management server
15288478213Methods and apparatus for power control
15298478212Apparatus and method for wirelessly transmitting and receiving energy and data
15308478211Adaptive cartesian loop transmitter for broadband and optimal loop stability adjustment
15318478210Apparatus and method of digital predistortion for power amplifiers with dynamic nonlinearities
15328472899Power control for linear and class AB power amplifiers
15338472898Power amplifiers with improved efficiency over power control
15348472897Power amplifier predistortion methods and apparatus
15358472896Method and apparatus for transformer power combiner and dynamic power control for outphasing power amplifiers
15368472878System and method to deterministically and dynamically prevent interference to the operation of safety-of-life radio equipment
15378472383Group management in multiuser communications
15388472335Selecting transmission technology for communications in wide area mobile networks
15398467837MAC controlled sleep mode/wake-up mode with staged wake-up for power management
15408467836Method and apparatus for transmitting data in wireless communication system
15418467751Serial interface communication test apparatus and test method using the same
15428467750Gain control in a shared RF front-end path for different standards that use the same frequency band
15438467749Monolithic FM-band transmit power amplifier for mobile cellular devices and method of operation thereof
15448467747Multi-band wide band power amplifier digital predistortion system
15458467746Method and device for sending transmission signal, in particular mobile radio signal
15468467745Method and system for simultaneous signal transmission on multiple selected frequencies
15478463210Apparatus and method for transmitting a reference signal in a radio communication system
15488463209Pre-charge of a power amplifier pedestal voltage
15498463208DC power control for power amplifiers
15508463207Wireless communication unit, integrated circuit and method of power control of a power amplifier therefor
15518463206System and method for preserving input impedance of a current-mode circuit
15528463202Power amplifying circuit, and transmitter and wireless communication device using the same
15538463201Apparatus and method for removing transmission leakage signal
15548457697Antenna switching arrangement
15558457571Apparatus and method for controlling transmit power in human body communication system
15568457569Hybrid techniques for antenna retuning utilizing transmit and receive power information
15578457566Preamble transmission method in a multiple antenna system
15588457565Power amplifier circuit, and transmitter and wireless communication device using the same
15598452352Systems and methods for predicting battery drain time caused by smartphone applications
15608452246Antenna tuner in combination with modified feedback receiver for improved antenna matching
15618452243System and method for power detection in a power amplifier using an adjustable load
15628447250Method and system for an integrated voltage controlled oscillator-based transmitter and on-chip power distribution network
15638447249System and method for providing open loop transmit power control
15648447248RF power transmission, modulation, and amplification, including power control of multiple input single output (MISO) amplifiers
15658447247Apparatus and method for compensating Tx gain in wireless communication system
15668447246System and method for a multi-band transmitter
15678442462Modular frequency divider and mixer configuration
15688442460Method for compensating signal distortions in composite amplifiers
15698442457System and method for adaptive beamforming for specific absorption rate control
15708442456Wireless communication unit, integrated circuit and method of power control therein
15718437809Mobile communication terminal and control method thereof
15728437713Wireless transmit diversity control by location of a wireless communication device
15738437711Independent power consumption management in a MIMO transceiver and method for use therewith
15748433269Compact satellite antenna
15758433268Apparatus and method for controlling gain of polar transmitter
15768433267Amplitude modulator
15778433266Power supply method, apparatus, and system for a radio frequency power amplifier
15788433265Providing a temperature dependent bias for a device
15798433264Multiple input single output (MISO) amplifier having multiple transistors whose output voltages substantially equal the amplifier output voltage
15808433263Wireless communication unit, integrated circuit and method of power control of a power amplifier therefor
15818433262Transmission device and transmission method
15828433261RF communications device with inverse function for coupler therein and related methods
15838428637Extending access terminal battery life through search rate control
15848428527RF power transmission, modulation, and amplification, including direct cartesian 2-branch embodiments
15858428526System and method for tuning baseband filters in wireless transceivers
15868428525Predistorter for a multi-antenna transmitter
15878428524Adaptive transmission and receiving method and device in wireless communication system with multiple antennas
15888422975Harmonic suppression and/or rejection
15898422969Radio frequency transceiver
15908422968Wireless electronic device with open-loop and closed-loop output power control
15918422967Method and system for amplitude modulation utilizing a leaky wave antenna
15928422959Compensating method for capacity of radio frequency module and a radio frequency module
15938417201Dual path multi-mode power amplifier routing architecture
15948417200Wideband power efficient high transmission power radio frequency (RF) transmitter
15958417199Method and apparatus for improving efficiency in a power supply modulated system
15968417198Selection of closed-loop/open-loop power control in user equipment
15978417196Apparatus and method for directional coupling
15988417195Method and apparatus adapted to transmit data
15998417194Compensation device applied to power amplifier, method for determining pre-distortion of power amplifier, and method for compensating linearity of power amplifier thereof
16008412271Boosted, dedicated reference signal
16018412136Measuring load impedance of an amplifier driving a variable load
16028412135Apparatus and method for controlling power of transmitter in a mesh network
16038412134Filter circuit, wireless transmitter, and wireless receiver
16048412133Pre-distortion for a radio frequency power amplifier
16058412132Techniques for adaptive predistortion direct current offset correction in a transmitter
16068406713Transmission power control method and transmission power control apparatus
16078406712Extended range voice over IP WiMAX device
16088406709Carrier recovery in re-modulation communication systems
16098406708Joint process estimator with variable tap delay line for use in power amplifier digital predistortion
16108406707Systems and methods for implementing a harmonic rejection mixer
16118406704RF transmitter and integrated circuit with programmable baseband filtering and methods for use therewith
16128406692Polar transmitter amplifier with variable output power
16138401502Method and system for a control scheme on power and common-mode voltage reduction for a transmitter
16148401501Transmit power management for a communication device and method for use therewith
16158401499Baseband-derived RF digital predistortion
16168396436System and method for closed loop power control calibration
16178396435Adder, and power combiner, quadrature modulator, quadrature demodulator, power amplifier, transmitter and wireless communicator using same
16188396434Signal processing device and method and reception system
16198396433Radio communication apparatus and DC offset adjustment method
16208396432Transmitter circuit and communication apparatus
16218396420Active antenna system for a mobile communications network as well as a method for relaying a plurality of radio signals through the active antenna system
16228395485Inductive evaluation of the coupling factor of an electromagnetic transponder
16238391815Radio receiver, radio communication system, radio communication method, and program
16248391812Method and system for amplifier control
16258391811Input-power overload-protection circuit
16268391809System and method for multi-band predistortion
16278391808Method and system for estimating and compensating non-linear distortion in a transmitter using calibration
16288391807Communication device with reduced noise speech coding
16298391804Close proximity antenna measurement and tuning
16308385988Reducing WLAN power consumption on a mobile device utilizing a cellular radio interface
16318385872Linear transconductor for RF communications
16328385863DC offset calibration for complex filters
16338385862Method and apparatus for compensating code channel power in a transmitter
16348385861Radio communication apparatus and radio communication method
16358385860Power detector and wireless device
16368385859Electronic apparatus, transmitter, amplifier, and amplifier control method
16378385858Power amplifier and signal transceiving system
16388385857Wireless communication apparatus
16398385856Method and device for controlling power amplification
16408385855Dual conversion transmitter with single local oscillator
16418385854Adaptive parametric power amplifier protection circuit
16428385853System and method for power detection in a power amplifier
16438385852Phase correction apparatus and phase correction method
16448380149DC offset canceller, receiving apparatus and DC offset cancellation method
16458380148Power amplifier adjustment for transmit beamforming in multi-antenna wireless systems
16468380147Power amplifier circuit with means for tuning wave shape of ASK RF signal envelope, and method for implementing the power amplifier circuit
16478380146Multi-band, multi-mode RF transmit amplifier system with separate signal paths for linear and saturated operation
16488380145Integrated circuit, wireless communication unit and method for quadrature power detection
16498380144Systems and methods for digital predistortion in a dual band transmitter
16508380143Power amplifier time-delay invariant predistortion methods and apparatus
16518380142Electronic device including a dual-function DC-to-DC converter
16528380141Radio apparatus
16538374562Codebook with nested structure
16548374561Non-foster impedance power amplifier
16558374560Method and system for processing signals in a high performance receive chain
16568374559Transmitter, RF transmitter signal processor and method for operation of transmitter
16578369906Antenna compensation system and method in a communications device
16588369805High linearity CMOS RF switch passing large signal and quiescent power amplifier current
16598369804Wireless communication unit, semiconductor device and power control method therefor
16608369803Power correction module for power amplifiers
16618369801Multimode-compatible polar modulation transmission device and multimode radio communication method
16628364105Solar powered transmitter
16638364104Power calibration under voltage standing wave ratio change by frequency sweep
16648364102Universal front end module for networking device
16658364101Amplifying device and transmitter apparatus
16668364100Method and system for a transmitter loft cancellation scheme that maintains IQ balance
16678364099Methods and apparatus for controlling leakage and power dissipation in radio frequency power amplifiers
16688364098PLL calibration
16698364097Device and method for selecting transmission path in wireless network
16708364096Transmission device, and array antenna control method and device
16718364095Minimum feedback radio architecture with digitally configurable adaptive linearization
16728355682Radio transmitter and method for transmission of combined signal
16738351883Momentary burst protocol for wireless communication
16748351881Addition circuit, power amplifier circuit using same, and transmission device and communication device using the power amplifier circuit
16758351880Saturation corrected power amplifier integration loop
16768351878Radio apparatus, distortion correction device, and distortion correction method
16778351877Multi-band wideband power amplifier digital predistorition system and method
16788351876Transmitter linearized using cartesian-processed look-up table and method therefor
16798351875Distortion compensator, distortion compensation method, and transmitter
16808351873Low noise RF driver
16818350970Radio frequency front end for television band receiver and spectrum sensor
16828346193Codebook with nested structure
16838346192Apparatus for transmitting a signal below a current transmit power in a network
16848346190Precompensating for undesired electrical responses of receiver components of an implantable medical device
16858346189Power amplifier architectures
16868346185Method and system for enhancing efficiency by modulating power amplifier gain

2012

16878340608Dual-mode mobile phone and method of the same for inhibiting GSM/CDMA mutual interference
16888340603Digital compensation for parasitic distortion resulting from direct baseband to RF modulation
16898340602Power amplifier linearization system and method
16908340600Apparatus and method for DC offset calibration in system
16918340599Swept notch ultra wide band (UWB) transmitter
16928339308Antenna beam forming systems, methods and devices using phase adjusted least squares beam forming
16938335481Load modulation arrangement
16948331937Mitigation of uplink interference from wireless communication device connected to a micro cell
16958331886Dynamic scalable concurrent communication and multi-core receiver architecture
16968331885Predictive wake-up of baseband circuitry
16978331884Voltage regulator for high performance RF systems
16988331883Electronic devices with calibrated radio frequency communications circuitry
16998331880Transmitter with self-test capability
17008331879Multi-dimensional Volterra series transmitter linearization
17018331484Digital Predistortion training system
17028326374Remote unit for providing multiple-mode spatial processing
17038326340Transmit power controller
17048326239Power amplifier linearization using digital predistortion
17058326238System and method for digital memorized predistortion for wireless communication
17068326237Transmitting a radio signal in a mobile communication network
17078325097Adaptively tunable antennas and method of operation therefore
17088320858Apparatus for receiving multiple independent RF signals simultaneously and method thereof
17098320856Method and system for a leaky wave antenna as a load on a power amplifier
17108320855Probability optimized power amplifier module and transmitter
17118320852Method and apparatus to transmit signals in a communication system
17128320851Wireless communication device, wireless communication method, and computer program
17138320850Power control loop using a tunable antenna matching circuit
17148320845Radio transmitter
17158315581Transmitter with hybrid closed loop power control
17168315580Process for detecting transmitted symbols based on a ternary alphabet and corresponding receiver
17178315579Semiconductor integrated circuit for communication
17188311496Transmitter with digital up conversion and multimode power amplifier
17198311493Radio apparatus, distortion correction device, and distortion correction method
17208306580Motion sensor assisted auto-shutdown mechanism in portable audio systems
17218306557Base station apparatus and method for use in mobile communication system
17228306489Circuit for a loop antenna and method for tuning
17238306488Signal transmitter linearization
17248306487Phase corrector and phase correction method
17258306486Methods and apparatus for reducing the average-to-minimum power ratio of communications signals in communications transmitters
17268301191Method and apparatus for integrated communication services provisioning for health care community
17278301186Enhanced sensitivity radio frequency front end circuit
17288301092Method and system for a low noise amplifier utilizing a leaky wave antenna
17298301090Distributed mobile communication network
17308301089Method for single stream beamforming with mixed power constraints
17318301088Polar modulation transmitter with envelope modulator path switching
17328301086Low-power polar transmitter
17338300679Systems and methods for enhancing performance of a low-power transceiver
17348295796High frequency circuit
17358295795Method and device for obtaining at least one calibration frequency for calibrating a transmission chain
17368295792Control of switcher regulated power amplifier modules
17378295791RF front-end circuit
17388295790Apparatus and method for pre-distorting and amplifying a signal
17398295789Multi-band lookup table type predistorter
17408295788Method and system for an N-phase transmitter utilizing a leaky wave antenna
17418295787Method for transmitting and receiving additional control signals
17428295776Radio communication apparatus and radio communication method
17438290474Method, apparatus and computer program product for providing smart card security
17448290454Power amplification device, and transmission device and communication device both using thereof
17458290452Radio frequency transmitter and signal amplification method therefor
17468290451Noise reduction circuit for canceling leakage signal
17478290450Methods and systems for calibrating for gain and phase imbalance and local oscillator feed-through
17488290449Equalization of third-order intermodulation products in wideband direct conversion receiver
17498285345Mobile terminal and method for switching states thereof
17508285246Implantable medical device and mobile wireless modem
17518285238Receiver
17528285233Method for displaying other stations now playing list
17538285232Codebook with nested structure
17548285231Method and system for an integrated leaky wave antenna-based transmitter and on-chip power distribution
17558285230Amplifying circuit, semiconductor integrated circuit, wireless transmission system, and communication apparatus
17568285229Switching power supply
17578285227Communication between transmitter and receiver
17588284860Error signal processing systems for generating a digital error signal from an analog error signal
17598280325Configurable transmitter
17608280323Fuzzy logic control of an RF power amplifier for automatic self-tuning
17618280319Tuning circuitry in a communications device
17628275423MAC controlled sleep mode/wake-up mode with staged wake-up for power management devices
17638275332Gain-control methods of transmitter modulators
17648275331PA gain state switching based on waveform linearity
17658275330Radio frequency transmitter energy shifting during ramp-down
17668275329Mobile wireless communications device with reduced harmonics resulting from metal shield coupling
17678275068Method and system for minimizing power consumption in a communication system
17688274329Signal compensation device and communication apparatus
17698271055Interface transceiver power management method and apparatus including controlled circuit complexity and power supply voltage
17708270924Antenna diversity system having two antennas for radio reception in vehicles
17718270918Precoded data receiver
17728270917Current controlled biasing for current-steering based RF variable gain amplifiers
17738265575Methods for handling a transmitting process and communication apparatuses utilizing the same
17748265574Voltage regulator with control loop for avoiding hard saturation
17758265573Wireless subscriber communication unit and method of power control with back-off therefore
17768260226High-accuracy transmit power control with high-efficiency power amplifier operation
17778260224System and method of prebias for rapid power amplifier response correction
17788260220Communication device with reduced noise speech coding
17798260213Method and apparatus to adjust a tunable reactive element
17808255558Method and system for distributed infrastructure for streaming data via multiple access points
17818255019Slidable portable electronic device
17828254973Independent power consumption management in a MIMO transceiver and method for use therewith
17838254859Enhancing MIMO transmission
17848254856Method and system for processing imperfections of a radio frequency transmission subsystem and communication appliance incorporating such a transmission subsystem
17858254855Frequency spur detection and suppression
17868254850Communication module component assemblies
17878249532Radio communication apparatus
17888249531Transmit power measurement and control methods and apparatus
17898249527Multimedia client/server system, client module, multimedia server, radio receiver and methods for use therewith
17908244311Time-related power systems
17918244240Queries as data for revising and extending a sensor-based location service
17928238868Dynamic voltage scaling for packet-based data communication systems
17938238854Feedback generator for codebook with nested structure
17948238853Amplitude error de-glitching circuit and method of operating
17958238852Power consumption management based on receiver parameter and method for use therewith
17968238851Method and system for improving efficiency over power control for linear and class AB power amplifiers
17978238849Method and system of adaptive predistortion of a wireless transmitter
17988238848Feed forward noise reduction in a transmitter
17998238846Multi carrier leakage tuning by error power detection
18008233861Switched impedance synthesis transmit antenna matching system for electrically small antenna radiators
18018233860Power amplification apparatus for envelope modulation of high frequency signal and method for controlling the same
18028233858RF power transmission, modulation, and amplification embodiments, including control circuitry for controlling power amplifier output stages
18038233856MEMS capacitor circuit and method
18048233851Method and apparatus for providing impedance matching for high-frequency signal transmitter
18058233850Broadband power amplifier with partial-envelope transference
18068233847Transmit power management for a communication device and method for use therewith
18078229708Methods and apparatus for signal and interference energy estimation in a communication system
18088229385Dual inductor circuit for multi-band wireless communication device
18098229376Compensation method of radio frequency module performance and radio frequency module
18108229375Transmitting device, transmit power control method and control device thereof in microwave system
18118229374Apparatus and method for controlling transmit power in human body communication system
18128229372Parallel forward path cartesian feedback loop and loop filter with switchable order for cartesian feedback loops
18138229370Automated power control to optimize power consumption and improved wireless connection
18148224401System and method for controlling a powered device that draws power from a communications network in response to user detection
18158224271Electronic device with an improved antenna arrangement
18168224270Method and system for optimizing transmit power of a power amplifier using a battery voltage (Vbat) monitor
18178224267Radio frequency-based communication terminal having two exchangeable transmitting paths
18188224266Power amplifier predistortion methods and apparatus using envelope and phase detector
18198224265Method for optimizing AM/AM and AM/PM predistortion in a mobile terminal
18208224264RF amplifier modulation circuit and related techniques
18218224260Radio frequency signal transmission/reception apparatus and radio frequency signal transmission/reception method
18228224251Data communication apparatus and control method for prevention of audio noise signals due to transmitted data
18238219050Radio transmission apparatus and radio transmission method
18248219049Generating a process and temperature tracking bias voltage
18258219046Method and system for obtaining maximum gain of a passive upconversion mixer utilized in a transmitter
18268219044Feedback compensation detector for a direct conversion transmitter
18278217735Harmonic suppression device
18288213888Power control circuit, semiconductor device and transceiver circuit using the same
18298213886Hybrid techniques for antenna retuning utilizing transmit and receive power information
18308213884Baseband-derived RF digital predistortion
18318213883Additive pre-distortion for linearization
18328213882Voltage converting circuit and radio communication apparatus
18338213880Minimum feedback radio architecture with digitally configurable adaptive linearization
18348213537Apparatuses, systems, and methods for reducing spurious emissions resulting from carrier leakage
18358208975Wearable access point
18368208973System and method for variable beacon timing with wireless devices
18378208878Amplifier providing power recovery from a narrow-band antenna
18388208876Amplifier compression controller circuit
18398204460Method and system for precise transmit power adjustment in wireless communication systems
18408204458Transmitting device and method of tuning the transmitting device
18418204456Systems and methods for spurious emission cancellation
18428204455Techniques for pre-distorting transmitted signals for a transmitter device
18438204454Distortion compensator apparatus, amplifier apparatus, transmitter, and method of compensating distortion
18448200175Efficiency controlling module of power amplifier and wireless communication device using the same
18458200174Systems and methods for controlling a transmitter
18468200173Gated RF control channel demodulation methods and apparatuses
18478200172Look-up table for control of power output from FM transmitters
18488200170Cancellation of oscillator remodulation
18498195239Multi-mode base station and method for sending/receiving signal thereof
18508195112Time-reversal-based communication
18518195110Method for calibrating a transmission line, and corresponding computer software product, storage medium and calibration device
18528195109Single ended switched power amplifier with tuned load coupling block
18538195108Altitude-dependent power management
18548195104Electronic amplification device with current mirror for integrated power amplifiers
18558195103Linearization of a transmit amplifier
18568190215Integrated switch-mode power supply and linear regulator
18578190110Power amplifier comprising a slotted power combiner
18588190109Dynamic real-time calibration for antenna matching in a radio frequency transmitter system
18598190106Base station control apparatus and base station control method
18608185092Selective scanning for WLAN coverage by a multi-mode device
18618185069Wired and wireless 4G and 3G cellular, mobile and RFID systems
18628185067Modulation method and apparatus
18638185066Multimode power amplifier with predistortion
18648180306VSWR compensation circuits for RF transmit chain
18658180304Efficient power amplifier
18668180303Power amplifier architectures
18678180183Parallel modulator photonic link
18688179852Base station, subordinated station and transmission method thereof
18698175556Methods for optimizing power amplifier settings for operation at different radio-frequency bands
18708175554Radio frequency communication devices and methods
18718175552Filter circuit, wireless transmitter, and wireless receiver
18728175551Distortion compensation device for use in high-frequency power amplifier
18738175550Method and apparatus for interference mitigation by removing a portion of the transmit signal
18748175549Closed loop transmitter IQ calibration
18758175136Noise cancellation method, receiver circuit, and electronic instrument
18768170819Systems and methods for measuring non-linear characteristics of a power amplifier
18778170605Dual mode mobile terminal and data call processing method thereof
18788170601Signal transmission parameter control using channel sounding
18798170511Equalizer system for emitting a quasi-constant power output RF signal in a frequency band
18808170510Minimizing mutual coupling
18818170508Pre-distortion for a radio frequency power amplifier
18828170507Predistortion methods and apparatus for transmitter linearization in a communication transceiver
18838170506Direct current (DC) offset correction using analog-to-digital conversion
18848170504Modified preamble for programmable transmitter
18858170503Apparatus and method for transmitting data and apparatus and method for receiving data
18868170476Emission power control for packet transmission
18878165543Power amplifier adjustment for transmit beamforming in multi-antenna wireless systems
18888165541Radio transmitter for modulating a carrier wave
18898165540Systems, methods and devices for dual closed loop modulation controller for nonlinear RF amplifier
18908165538Systems and methods for implementing a harmonic rejection mixer
18918165537Wireless transmitter and wireless transmission method
18928160520Supply control for multiple power modes of a power amplifier
18938160519Compensating for variations in the response of a power supply
18948160517Control of switcher regulated power amplifier modules
18958160516Low flicker noise active mixer and method thereof
18968160514Transmission noise cancellation
18978160502System of communication using microwave signals over wireline networks
18988155607Antenna apparatus of portable terminal
18998155606RF power amplifier device and wireless communication terminal device
19008155604Method and system for power supply adjustment and polar modulation in an RF transmitter
19018155595Method for iterative interference cancellation for co-channel multi-carrier and narrowband systems
19028150342Transmitter, RF transmitter signal processor and method for operation of transmitter
19038150341Apparatus for transmitting a signal below a standard transmit power in a network
19048150340Heating control system
19058150339Switchable-level voltage supplies for multimode communications
19068150336Apparatus and method for adaptive polar transmitter linearization and wireless transmitter employing the same
19078150335Apparatus and method for adaptive cartesian transmitter linearization and wireless transmitter employing the same
19088149087Hands-free device for locking/unlocking doors/windows of a vehicle
19098145159Method and apparatus for optimizing output power levels in power amplifiers
19108145158Bias circuit for a radio frequency power-amplifier and method therefor
19118145156Configuration controller for receiver and transmitter
19128145155Passive mixer and high Q RF filter using a passive mixer
19138145150Integrated signal analyzer for adaptive control of mixed-signal integrated circuit
19148145149Operating a voltage regulator at a switching frequency selected to reduce spurious signals
19158145148Transmitter and communication apparatus
19168145147Power amplifier edge evaluation-alternative envelope modulator
19178140035Amplifier providing power recovery from a narrow-band antenna
19188140034Frequency locked feedback loop for wireless communications
19198140032Antenna system and diagnosis method for a vehicle access control system
19208140031Transmitter built-in production line testing utilizing digital gain calibration
19218140030Adaptive impedance converter adaptively controls load impedance
19228140029Adaptive transmission and receiving method and device in wireless communication system with multiple antennas
19238140028Low noise RF driver
19248140027Automatic frequency tuning system and method for an FM-band transmit power amplifier
19258140023System and method for communication with adaptive link control
19268139561Method for wireless internet communication in mobile communication terminal
19278135364Method and apparatus for controling output power of communication equipment
19288135363Method and system for an integrated circuit supporting auto-sense of voltage for drive strength adjustment
19298135361Polar modulation transmission apparatus
19308135360RFID-tag communication device
19318131234Transmitter utilizing a duty cycle envelope reduction and restoration modulator
19328131233Time alignment methods and apparatus for polar modulation transmitters
19338131232Method and apparatus for antenna tuning
19348126983Method and system for distributed infrastructure for streaming data via multiple access points
19358126411Apparatus and method for power amplification with delay control in wireless communication system
19368126407Transmitter circuit
19378121561Power tuning system and method for power amplifier
19388121560Pre-distortion with enhanced convergence for linearization
19398116704Switching power supply
19408116702Transmission over a multiple input multiple output broadcast channel (MIMO-BC)
19418116701Circuit arrangement and method for setting an analog output signal
19428116699Transmitter
19438116687Dynamic frequency selection in wireless devices
19448112049Channel quality handling for precoder override
19458107903Radio frequency amplification circuit utilizing variable voltage generator
19468107902Method and apparatus for optimizing current consumption of amplifiers with power control
19478107901Feedback loop with adjustable bandwidth
19488107900Multi-carrier transmission device
19498107895Independent power consumption management in a MIMO transceiver and method for use therewith
19508099127Multi-mode configurable transmitter circuit
19518099123Adaptation of transmit subchannel gains in a system with interference cancellation
19528099066System and method for controlling true output power of a transmitter
19538099065Transmitting apparatus and method
19548099064Mobile wireless communications device with reduced harmonics resulting from metal shield coupling
19558095094Communication semiconductor integrated circuit, communication electronic component and wireless communication system
19568095093Multi-mode transmitter having adaptive operating mode control
19578095091Transmit power amplification control for wireless device
19588095090RF power amplifier controller circuit
19598095089Predictive transmitter calibration
19608095088Compact wide dynamic range transmitter for point to point radio
19618095087Polar modulation with coarse and fine FM signals
19628095086FM simulcast broadcast signal broadcast transmission system and receiver device
19638095082Dual band radio frequency transmitter
19648090331Method and apparatus for compensating code channel power in a transmitter
19658090328Voice, data and RF integrated circuit with off-chip power amplifier and methods for use therewith

2011

19668086196Method of executing scanning in broadband wireless access system
19678086192Method and system for power control with optimum power efficiency with a multi-port distributed antenna
19688086191Leakage power reduction apparatus
19698086190Method and system for reconfigurable devices for multi-frequency coexistence
19708081937Gain-control methods of transmitter modulators
19718081934Configurable frequency band elimination for powerline network
19728078124Enhancing antenna performance in RF devices
19738078123RF transmission error detection and correction module
19748077640Method for supporting asymmetric service flexible in multi-carrier time division duplex mobile communication system
19758073411System and method for detecting radio frequency signals over a range of powers
19768073410System and method for closed loop power control calibration
19778073409System and method for controlling transmitter output levels in a wireless communications device
19788073408Semiconductor integrated circuit including a mixer and wireless communication apparatus
19798073407Radio communication device and power supplying method for radio communication device
19808068798Full closed loop auto antenna tuning for wireless communications
19818068797Gain control methods for wireless devices and transmitters
19828068795RF multiband transmitter with balun
19838068793Method and system for enhancing efficiency by modulating power amplifier gain
19848064856Modulation system and method for switched amplifiers
19858064855Transmission power controller
19868064853Method and system for reduction of peak-to-average power ratio of transmission signals comprising overlapping waveforms
19878064852Methods and apparatus for dynamically compensating for DC offset drift and other PVT-related signal variations in polar transmitters
19888064851RF transmitter with bias-signal-induced distortion compensation and method therefor
19898064850High efficiency linearization power amplifier for wireless communication
19908064849Precoding for multiple anntennas
19918064611Uplink noise cancellation
19928060039Methods and apparatus for reestablishing a data connection with a wireless communication network
19938060038Radio transmitter using Cartesian loop
19948060034Polar modulation transmission apparatus
19958059748Multi-mode and multi-band transmitters for wireless communication
19968055292Method and system for power level adjustment of forward channels
19978055219Frequency agile antenna system and method
19988055218Wireless transmitter circuit and transceiver using the same
19998055217Adaptive complex gain predistorter for a transmitter
20008055216Antenna matching for MIMO transceivers
20018055215Transmission circuit and communication device
20028054161Apparatus and method for transmit leakage signal suppression in RFID reader
20038054042Modular power supply
20048050638Power amplifier controller with polar transmitter
20058050636Apparatus and method for generating RF without harmonic interference
20068050310Semiconductor device
20078045939Method for controlling a linear amplifier and power amplifier arrangement
20088045935High data rate transmitter and receiver
20098045642IQ-modulator pre-distortion
20108041316Transmission circuit, transmission method, and use
20118041315Method and a device for adjusting power amplifier properties
20128041314Signal amplifier structure for radio transmitter
20138036721Wearable access point
20148036611Polar transmitter, method and apparatus for phase modulation
20158035397Utilizing computed battery resistance as a battery-life indicator in a mobile terminal
20168032097Amplitude error de-glitching circuit and method of operating
20178032096Method and system for compensating for antenna pulling
20188032095Method and apparatus for detecting carrier leakage in a wireless or similar system
20198032093Power detection arrangement with harmonic suppressor
20208032082Amplifier for a radio frequency transmitter for transmitting a transmit signal to an otological apparatus
20218024510Cyclic buffer mechanism for receiving wireless data under varying data traffic conditions
20228023988Power control for a channel with multiple formats in a communication system
20238023911Amplifying device and radio
20248023909Data conversion using a serial interface clock in a power amplifier module
20258023908Intermodulation signal generator of power amplifier and pre-distortion linearizer having the same
20268023904Methods and apparatus for transmitting information between a basestation and multiple mobile stations
20278019296Selective scanning for WLAN coverage by a multi-mode device
20288019294Control circuit and dithering method
20298019293Controller and method for using a DC-DC converter in a mobile handset
20308019290Two-step channel selection for wireless transmitter front-ends
20318019068Method of allocating power for the simultaneous downlink conveyance of information between multiple antennas and multiple destinations
20328014739Radio terminal and transmission power control method
20338014736Distortion compensating apparatus, wireless communicating apparatus, and distortion compensating method
20348014735RF power amplifier controlled by estimated distortion level of output signal of power amplifier
20358010168Efficient power management in wireless local area networks
20368010066Digital transmission circuit and interface providing selectable power consumption via multiple weighted driver slices
20378010065Power amplifier system and control method and control device thereof
20388010059Transmit power management for a communication device and method for use therewith
20398009762Method for calibrating a phase distortion compensated polar modulated radio frequency transmitter
20408009658Method for sharing bandwidth using reduced duty cycle signals and media access control
20418008979Frequency synthesizer and radio transmitting apparatus
20428005445RF power amplifying device and wireless communication terminal device
20438005444Multiple die integrated circuit assembly
20448005441DC offset correction of a power detector used with a continuous transmission radio frequency signal
20458000737Methods and apparatuses for adaptively controlling antenna parameters to enhance efficiency and maintain antenna size compactness
20468000665Systems and methods for adjusting headroom of a power amplifier
20478000664Linear high powered integrated circuit amplifier
20488000663Mode shift calibration in power amplifiers
20498000661Communication system with frequency-adaptive predistorter design
20508000660Method and apparatus for interference mitigation by removing a portion of the transmit signal
20518000659Polar modulation transmission apparatus
20527996049Remote unit for providing spatial processing
20537995977High frequency power detector circuit and radio communication device
20547995976System and method using the pilot frequency from a positive feedback pilot system to improve second loop convergence for a feedforward amplifier
20557991368Integrated RF-IF converter
20567991367Wireless communication unit and power control system thereof
20577991366Methods and apparatus for reconstructing amplitude modulation signals in polar modulation transmitters
20587991354Method of communication and base station
20597986927Semiconductor integrated circuit device and high-frequency power amplifier module
20607986926Integrating an FM transmitter into a cellular telephone
20617986923Signal channel balancing
20627986882Output current pumping circuit and remote controller using the same
20637983637Amplifier, radio transmitting apparatus, and radio receiving apparatus
20647983635System and method for controlling intermodulation interference
20657983634Radio telecommunication terminal and a method of decreasing perturbations within this terminal
20667983631Voice, data and RF integrated circuit with multiple modulation modes and methods for use therewith
20677983327Method and system for providing digital adaptive predistortion in a subscriber station
20687979038PLL modulation circuit, radio transmission device, and radio communication device
20697979037Frequency modulation circuit, transmission circuit, and communication apparatus
20707974597Power amplifier system and mobile phone terminal using same
20717974596Power control scheme for a power amplifier
20727974592Linearization in a transmission chain
20737974591Modified preamble for programmable transmitter
20747974590Method and system for simultaneous signal transmission on multiple selected frequencies
20757974580Apparatus and method for modulating an amplitude, phase or both of a periodic signal on a per cycle basis
20767974224Subscriber unit capable of switching between full-duplex and half-duplex modes during an on-going session
20777970380User authentication in a communications system
20787970365Systems and methods for compensating for transmission phasing errors in a communications system using a receive signal
20797970364Strategy for using the envelope information within a closed loop power control system
20807970362RF transmitter with compensation of differential path delay
20817970360Electronic device with a distortion correction circuit for a power amplifier, and associated methods
20827970349Packet communication system, packet communication method, base station, mobile station, control device, and packet communication program
20837962174Transceiver architecture and method for wireless base-stations
20847962108Adaptive AM/PM compensation
20857962107Transmission device
20867957776Integrated switch-mode power supply and linear regulator
20877957712Double-LINC switched-mode transmitter
20887957711Apparatus for transmitting a signal below a standard transmit power in a network
20897957710DCDC converter unit, power amplifier, and base station using the same
20907957709Beta correction block
20917957707Systems, apparatus and method for performing digital pre-distortion based on lookup table gain values
20927957706Combined matching and filter circuit
20937957705System and method for reducing radio frequency interference caused by a carrier
20947957704Method and system for reducing AM/PM distortion in a polar amplifier
20957956667Power supply voltage forming device and polar modulation transmission device
20967953378Predistortion circuit for a transmit system
20977949318Multi-rank beamforming precoding apparatus and method
20987949317Momentary burst protocol for wireless communication
20997949316High-efficiency envelope tracking systems and methods for radio frequency power amplifiers
21007949314Transmission output control apparatus
21017949313Direct conversion device with compensation means for a transmission path of a wireless communication equipment
21027945224Systems and methods of RF power transmission, modulation, and amplification, including waveform distortion compensation embodiments
21037945220LINC power transmitter
21047941110RF circuit with control unit to reduce signal power under appropriate conditions
21057941109Polar modulation transmission apparatus and transmission power control method
21067941105Reflection cancellation circuit for a radio frequency power amplifier
21077937051Apparatus and method for measuring the level of RF signals, and a transmitter including a wide band measurement circuit
21087937049Output power correction module for amplifiers in transmitters
21097937047Method and apparatus for transmitting data in mobile telecommunication system
21107933569Timing adjustment method for wireless communication apparatus
21117933568Method and system for mitigating receiver saturation during simultaneous FM transmission and reception
21127929927Adaptive pre-distortion with interference detection and mitigation
21137929926Transmitting RF signals employing both digital and analog components with a common amplifier
21147925229Power detector of embedded IC test circuits
21157925227Multi-band amplifier module with harmonic suppression
21167925225System and method for multiple input multiple output wireless transmission
21177920889Transmitting apparatus, receiving apparatus and transmission power control method
21187920837Method and system for utilizing undersampling to remove in-band blocker signals
21197920836System and method for saturation detection, correction and recovery in a polar transmitter
21207917787Method, apparatus and system to dynamically choose an aoptimum power state
21217917106RF power amplifier controller circuit including calibrated phase control loop
21227917105RF power amplifier controller circuit with compensation for output impedance mismatch
21237917104Techniques for improved adaptive impedance matching
21247917102Radio transmitting apparatus and radio transmission method
21257917098Configurable frequency band elimination for powerline network
21267916711Systems and methods for saving power in a digital broadcast receiver
21277915969Distortion compensating circuit
21287913071Systems and methods for process and user driven dynamic voltage and frequency scaling
21297912432Output power detection circuit with threshold limiting characteristics
21307912431Signal amplifiers having non-interruptible communication paths
21317912430Circuit arrangement for wirelessly exchanging data and RFID chip card device
21327907972Method and apparatus for allocating downlink resources in a multiple-input multiple-output (MIMO) communication system
21337907965Apparatus and method for controlling the power consumption of a combined UMTS/GSM/EDGE radio station
21347907921Wireless transmitter having multiple power amplifier drivers (PADs) that are selectively biased to provide substantially linear magnitude and phase responses
21357907920Control of switcher regulated power amplifier modules
21367907908Radio access point testing apparatus and method of testing radio access point
21377907678Power series predistorter and control method thereof
21387907589Reception apparatus and reception method
21397904106Method and apparatus of adaptively allocating transmission power for beamforming combined with orthogonal space-time block codes based on symbol error rate in distributed wireless communication system
21407904038Output monitor circuit of radio-frequency circuit
21417904037Adaptive radio transceiver with offset PLL with subsampling mixers
21427904036Modulation method and apparatus
21437904034Method and system for providing an interference cancellation in a wireless communication system
21447904033Constant gain digital predistortion controller for linearization of non-linear amplifiers
21457899485Forward link power control of multiple data streams transmitted to a mobile station using a common power control channel
21467899420Wireless transmission device in which transmission output is controlled in feedback control
21477899419Method and apparatus for compensating code channel power in a transmitter
21487899418Mobile device and wireless communication apparatus
21497899417Method and apparatus for increasing the efficiency of low power amplifiers
21507899416RF transmitter with heat compensation and method therefor
21517899415Low-frequency power line emissions reduction system and method
21527899414Control of power amplifiers in devices using transmit beamforming
21537899413Radio apparatus
21547898351Modulation circuit, modulation method, program and communication apparatus
21557894783Method of power management in a data replication process deployed in a wireless device
21567894782Multi-input multi-output transceiver with transmit power management based on receiver parameter and method for use therewith
21577890145System and method for antenna selection
21587890067Linear RF amplifier with polar feedback
21597885616Method and system for coordinating necessary radio transmission events with unrelated opportunistic events to optimize battery life and network resources
21607881739Method and apparatus for adaptive power control in a wireless voice and data communication system
21617881683Generation of modulated radio frequency signals
21627881680Predictive transmitter calibration
21637877066Techniques to reduce the power consumption of an RF log-amp detector
21647877065Signal processing circuit and communication device using the same
21657876699Mobile station and method for verifying access points thereof
21667873380Method of communication and base station
21677873335Current limiting circuit for RF power amplifier
21687873334Power control circuitry for a mobile terminal application
21697873333Transmitter circuits and apparatus of wireless application
21707873332Method and system for mitigating a voltage standing wave ratio
21717873331Systems, methods, and apparatuses for multi-path orthogonal recursive predistortion
21727869775Circuit and method for biasing a gallium arsenide (GaAs) power amplifier
21737869774RF saturation voltage sensor
21747869773RF power sensing circuit
21757869543System and method for synchronization, power control, calibration, and modulation in communication transmitters
21767865167Digital video broadcast-terrestrial (DVB-T) receiver interoperable with a GSM transmitter in a non-interfering manner
21777865154Tunable microwave devices with auto-adjusting matching circuit
21787865152RF waveform modulation apparatus and method

2010

21797860469Sleep optimization for mobile devices in a wireless network
21807860468Programmable variable gain amplifier and RF receiver including the same
21817860467Power control for a dual mode transmitter
21827860466Systems, methods, and apparatuses for linear polar transmitters
21837853236Rectifier circuit and RFID tag
21847852170Adaptive impedance matching apparatus, system and method with improved dynamic range
21857848718Method apparatus comprising integrated circuit and method of powering down such circuit
21867848717Method and system for out of band predistortion linearization
21877848716Semiconductor integrated circuit for communication
21887848714Radio frequency circuit apparatus and radio frequency module
21897848709Multi-mode crystal oscillator
21907848403Enhanced reconditioning equalizer filter chain for multi-carrier signals
21917844235RF power transmission, modulation, and amplification, including harmonic control embodiments
21927844234Device, system, and method of providing biasing power
21937844233Passive amplification of signals
21947840198Method and system for processing signals in a high performance receive chain
21957840197Highly linear and very low-noise down-conversion mixer for extracting weak signals in the presence of very strong unwanted signals
21967840195Multifunction-RF-circuit
21977835710Variable power adaptive transmitter
21987835709RF power transmission, modulation, and amplification using multiple input single output (MISO) amplifiers to process phase angle and magnitude information
21997831282Wireless node providing improved battery power consumption and system employing the same
22007831227DAC based switching power amplifier
22017831225Radio frequency power load and associated method
22027831224Radio-frequency IC for a mobile radio transmitter
22037831221Predistortion system and amplifier for addressing group delay modulation
22047831220Methods and systems for calibrating for gain and phase imbalance and local oscillator feed-through
22057826810Multiband radio with transmitter output power optimization
22067826809Method and apparatus for controlling gain of transmit antenna in a communication system
22077826808Method, apparatus and system for an omni digital package for reducing interference
22087826543Mobile station in orthogonal frequency division multiplexing access system and transmit power control method thereof
22097822392Frequency modulation circuit, transmission circuit and communication device
22107817973Method and apparatus of Doherty-type power amplifier subsystem for wireless communications systems
22117817970Transmitting/receiving device having a polar modulator with variable predistortion
22127817969Limiting audible noise introduction through FM antenna tuning
22137817735Device and method of performing channel estimation for OFDM-based wireless communication system
22147817713Enhanced reconditioning equalizer filter for non-constant envelop signals
22157817602Transmission method in a wireless telecommunication system including at least a base station intended to communicate with terminals
22167813772Methods of operating a mobile terminal such that a communication operation mode is changed based on a current voltage of a battery that powers the mobile terminal and related mobile terminals and computer program products
22177813695Mobile assisted relay selection in a telecommunications system
22187809961Standby mode for power management
22197809340Apparatus for implementing enhanced hand shake protocol in microelectronic communication systems
22207809339Voltage regulator for high performance RF systems
22217809080Strategically selecting data captures for signal predistortion
22227805117Method and apparatus for minimizing noise in a transmitter
22237805116Gain control methods for wireless devices and transmitters
22247804794Power-saving network switching device
22257801556Tunable dual-antenna system for multiple frequency band operation
22267801498Transmission of analog signals in a system-on-chip
22277801482Packet communication system, packet communication method, base station, mobile station, control device, and packet communication program
22287801245Increased reliability of data captures for signal predistortion
22297796959Data processing method, transmitter, device, network element and base station
22307796958Transmitter and transmitting method thereof in wireless communication system
22317796687Enhanced reconditioning equalizer filter chain for multi-carrier signals with different technologies
22327792506Power-control circuit with threshold limiting characteristics
22337792505Power amplifier efficiency using error estimate and data rate
22347792504Transmitter and transceiver, in particular for mobile radio, and transmission method
22357792501Apparatus and method for attenuating leakage signal of transmitter in communication system
22367792494Method of communication using microwave signals
22377787839RFIC with dynamically controlled power amplifier
22387787837Systems and methods for an RF nulling scheme in RFID
22397787835Radio receiver and radio transmitter
22407787834Voice, data and RF integrated circuit with off-chip power amplifier and methods for use therewith
22417783457Sensor localization using lateral inhibition
22427783322Mobile communication device with network selection and method for same
22437783271Method and apparatus for transmitting and receiving signals
22447783270Adjustable amplifier for wireless data systems
22457783269Power amplifier controller with polar transmitter
22467783268Transmitter and transmitting method thereof in wireless communication system
22477783250Method for up converting a transmitted signal and down converting a received signal
22487778656Transmission power control method and apparatus
22497778612Polar modulation circuit, integrated circuit and radio apparatus
22507773960Apparatus and method for transmitting a signal in a communication system
22517773959Quadrature radio frequency amplifier output network
22527769415System and method for activating a communication device based on usage information
22537769355System-in-package wireless communication device comprising prepackaged power amplifier
22547761104Method for transmitting a character message from mobile communication terminal
22557761068System and method for a time alignment analog notch
22567761067Iterative filter circuit calibration
22577761065RF power amplifier controller circuit with compensation for output impedance mismatch
22587761064Radio frequency matching control apparatus and method for portable communication terminal
22597761063Distortion compensator and wireless communication device
22607761058Method and procedure for self discovery of small office or home interior structure by means of acoustic sensing and profiling
22617761057Managing system clocks to reduce RFI
22627756493Feed forward amplifier system and method using the pilot frequency from a positive feedback pilot generation and detection circuit to improve second loop convergence
22637756492Predistortion device based on vector envelope injection and the method thereof
22647756491Phase shifter
22657751844Mobile communication system, radio base station, transmission power control method used therein, and program thereof
22667747231System and method for transmitting signal in a communication system
22677747230Transmission modulation apparatus
22687747228Tuning circuitry in a communications device
22697747227Transmission module
22707742748Signal predistortion in radio transmitter
22717742747Automatic IIP2 calibration architecture
22727741928Frequency modulation using a digital frequency locked loop
22737738928Integrated switch-mode power supply and linear regulator
22747738845Electronic parts for high frequency power amplifier and wireless communication device
22757738844Radio communication device
22767738843Apparatus and method for transmitting data in multi-input multi-output system
22777734264System frame number (SFN) evaluator
22787734262Method and apparatus for reverse link throttling in a multi-carrier wireless communication system
22797734260Apparatus and method for reducing message collision between mobile stations simultaneously accessing a base station in a CDMA cellular communications system
22807734259Method and system for a transmitter loft cancellation scheme that maintains IQ balance
22817729672Dynamic bias control in power amplifier
22827729671Method and system for enhancing efficiency by modulating power amplifier gain
22837729670Method and system for minimizing power consumption in a communication system
22847729668Independence between paths that predistort for memory and memory-less distortion in power amplifiers
22857729667System and method for intermodulation distortion cancellation
22867729420Reconditioning equalizer filter for OFDM and non-OFDM signals
22877729419Reconditioning equalizer filter using convolution
22887725087Feedback compensation detector for a direct conversion transmitter
22897725086Method and apparatus for controlling a transmitter
22907725085Space-time communications determination
22917724839Multilevel LINC transmitter
22927724079Programmable logic enabled dynamic offset cancellation
22937720511Self-optimizing adaptive antenna
22947720449Fault-tolerant amplifier matrix
22957720448Signal generation power management control system for portable communications device and method of using same
22967715811Integrated transceiver with envelope tracking
22977715810System and method for combining stepped drain bias control with digital predistortion for a power amplifier
22987715493Digital transmitter and methods of generating radio-frequency signals using time-domain outphasing
22997711395Circuit current generation apparatus and method thereof, and signal processing apparatus
23007711331Transmission power amplifier apparatus for combining power-amplified constant amplitude signals each having controlled constant amplitude value and phase
23017711065Circuit for canceling DC offset in a communication system
23027710217Matching circuit and dual-band power amplifier
23037706829Forward link power control of multiple data streams transmitted to a mobile station using a common power control channel
23047706827Method and apparatus for processing transmit power control (TPC) commands in a wideband CDMA (WCDMA) network based on a sign metric
23057706762Signal processing circuit and signal processing method
23067706760System and method for saturation detection, correction and recovery in a polar transmitter
23077706759RF reception system with programmable impedance matching networks and methods for use therewith
23087706758Controlling power supply between a voltage generator, a load and a rechargeable battery
23097706753System of communication using microwave signals over wireline networks
23107706751Method for transmitting and receiving data with low BER in presence of interference between subscriber stations
23117706336Mobile station architectures for circuit and packet modes and methods therefor
23127702300Envelope modulator saturation detection using a DC-DC converter
23137701453Driving device and related image transmission device of a flat panel display
23147697907System and method for controlling the transmit power of a wireless module
23157697906Link performance prediction presence of co-channel interference
23167697905Local oscillator feedthrough cancellation scheme to remove RF and baseband offsets
23177697903Method and system for level detector calibration for accurate transmit power control
23187697901Digital variable gain mixer
23197697895Bluetooth smart offset compensation
23207693922Method for preprocessing a signal and method for signal processing
23217693691Systems and methods for simulating link performance
23227693554Method for operating a data storage medium
23237693498Probability optimized power amplifier module and transmitter
23247693494High dynamic range pre-power amplifier incorporating digital attenuator
23257693485Bluetooth polling with fewer poll packets
23267689183Control method for producing a ramp of output power and transmitter utilizing the same
23277689182Temperature compensated bias for AM/PM improvement
23287689181Circuit arrangement for regulating a DC signal component and mobile radio transmitter
23297689180Method and apparatus for a cartesian error feedback circuit to correct distortion within a power amplifier
23307689179Multistage amplifier apparatus with distortion compensation function
23317689178Method and apparatus for spreading sequence hopping in code-multiplexed control channels
23327688797Method and transmission device for transmission of data in a multi-carrier system
23337680467Distortion compensating amplifier
23347676207System and method for digital autonomous automatic gain control (AGC) for DVB-H receivers
23357676201Selectable sideband transmission
23367676200Circuits and methods for high-efficiency on-chip power detection
23377672695Wearable access point
23387672650Systems and methods of RF power transmission, modulation, and amplification, including multiple input single output (MISO) amplifier embodiments comprising harmonic control circuitry
23397672648System for linear amplitude modulation
23407672647Integrated circuit for transmitting and/or receiving signals
23417672642Uplink communication in GSM/EDGE system
23427668516Systems ramping power amplifier output power
23437664519Power control for multiple transport channels in a wireless communication system
23447664472Reducing the peak-to-average power ratio of a signal
23457664466Transmission rate control method, transmission rate control system, and mobile station
23467660564High-power amplifier apparatus for TDD wireless communication system
23477660563Apparatus and method for calibrating mixer offset
23487660562Combined matching and filter circuit
23497657290Power management systems and methods for a mobile device
23507657238Method and apparatus for modulating a radio signal using digital amplitude and phase control signals
23517657237Method and system to improve transmitter linearization
23527657236Transmitter having reduced local oscillator (LO) leakage by determining direct LO coupling and baseband DC offset
23537656964Forward and reverse VSWR insensitive power detection using phase shifting and harmonic filtering
23547656853Reducing power consumption of a wireless device
23557653365Method for controlling signal power in transmitter of radio system by weighting, and transmitter therefor
23567653364Local oscillator leakage relocation
23577653362Method and apparatus for on-chip measurement of power amplifier AM/AM and AM/PM non-linearity
23587650122Power control circuitry for a mobile terminal application
23597647030Multiple input single output (MISO) amplifier with circuit branch output tracking
23607647029Controller-assisted method and controller-assisted device for determining a characteristic of a compensation member in a level control circuit
23617647028Internal calibration system for a radio frequency (RF) transmitter
23627646258Digital FM transmitter with variable frequency complex digital IF
23637643844Method of managing radio resources and Node B apparatus implementing the same
23647643805Peak detector and fixed gain amplifier circuit for automatic gain control and variable gain amplifier circuit
23657643804Apparatus and method for transmitting a signal at less than a standard transmit power in a network
23667643802Mixer circuit and method for reducing an up-conversion mixer leakage
23677643801Clipping of transmission signal

2009

23687640003Determining location and survivability of a captive person under a disaster situation by use of a mobile device
23697639994RF power transmission network and method
23707639993Power supply circuitry for data signal transceivers on integrated circuits
23717639983Headstage
23727636579Multi-frequency wireless transmitter
23737636556Digital transmission circuit and method providing selectable power consumption via multiple weighted driver slices
23747634240Method and apparatus for controlling a supply voltage to a power amplifier
23757634238Multi-band lookup table type predistorter
23767630693Transmitter with improved power efficiency
23777627353Circuit and method for providing an auto-off capability for a wireless transmitter
23787627293Strategic predistortion function selection
23797623833Dual output digital exciter
23807620378Method and system for frequency up-conversion with modulation embodiments
23817616932Multi-channel amplifier with reduced overall power emission, and circuit management including same
23827616931System and method for reducing phase distortion in a linear transmitter
23837613433Reducing local oscillation leakage in a radio frequency transmitter
23847610028Method and system for reduction of peak-to-average power ratio of transmission signals comprising overlapping waveforms
23857610027Method and apparatus to maintain specification absorption rate at a wireless node
23867610026Transmitter non-data-related direct current (DC) offset cancellation scheme
23877610025Antenna array pattern distortion mitigation
23887609781Wireless communication device with self calibration feature for controlling power output
23897606540Apparatus and method for using ambient RF power in a portable terminal
23907606539Adaptive predistorter coupled to a nonlinear element
23917606538Mixer circuit and method
23927606535Modular wide-range transceiver
23937599669Transmitting arrangement, transreceiver with a transmitting arrangement and method for signal processing
23947593703Frequency switch for multiband power amplifier applications and multiband/multistandard power amplifier module
23957593702Open-loop RF transmitter output power control for increased power efficiency
23967593701Low noise CMOS transmitter circuit with high range of gain
23977593700Controllable radio frequency stage with variable gain/attenuation, in particular incorporated into the transmission chain of a cellular mobile telephone, and corresponding control method
23987593699Distortion/efficiency adaptation in a variable-data-rate radio transmitter
23997593642Field device configured for wireless data communication
24007590395Power management scheme for software-defined radios
24017590394Apparatus and method for amplifying multi-mode power using pre-distorter
24027590393Low-noise transmitter system and method
24037590392Transmitter compensation
24047590391Digital intermediate frequency transmitter for wireless communication
24057587181Method and system for a control scheme on power and common-mode voltage reduction for a transmitter
24067587180FM modulator
24077583985MAC controlled sleep mode/wake-up mode with staged wake-up for power management
24087583981Mobile station and weighting control method
24097583941Apparatus and method to adjust and filter current DAC signals
24107583940Transmission circuit and communication apparatus employing the same
24117580687System-in-package wireless communication device comprising prepackaged power amplifier
24127580686Adaptive predistortion method and arrangement
24137577409Load-based voltage control wireless transmission system
24147577408Method for predistortion of a signal, and a transmitting device having digital predistortion, in particular for mobile radio
24157574182Mobile communications terminal having driving voltage control apparatus and method thereof
24167570935Derivative superposition circuit for linearization
24177570932Dual mode quadrature radio frequency power amplifier
24187570931RF transmitter with variably biased RF power amplifier and method therefor
24197570930Amplifier arrangement, polar transmitter having the amplifier arrangement and method for amplifying signals
24207570929802.11 networks using dynamic power control for RF transmission
24217570627Method for sharing bandwidth using reduced duty cycle signals and media access control
24227567782Re-configurable impedance matching and harmonic filter system
24237565164Apparatus and method for transmission power balance adjustment in a mobile cellular system
24247565119Predistortion correction loop-back based on high linearity and low linearity modes
24257565117Control of power amplifiers in devices using transmit beamforming
24267565116High frequency module
24277561859Wireless communication terminal, transmission control method, and computer program
24287561858Wireless communication terminal
24297561856Distortion compensation amplifying apparatus and base station
24307561636Digital predistortion apparatus and method in power amplifier
24317558542System and method for providing a transmitter for polar modulation and power amplifier linearization
24327558539Power control feedback loop for adjusting a magnitude of an output signal
24337558538Quadrature sub-harmonic frequency up-converter
24347558537Modified preamble for programmable transmitter
24357558230Method for controlling power of HS-SCCH in mobile communication system
24367555307Outer loop power control for wireless communication systems
24377555276Devices, methods, and computer program products for controlling power transfer to an antenna in a wireless mobile terminal
24387555272Transmission arrangement for transmitting data continuously in the time domain
24397555271Single side band transmissions
24407555266Method and communication system for estimating an error covariance matrix for the downlink in cellular mobile radio telephone networks with adaptive antennas
24417555059Low power distributed transmitter
24427551904Apparatus and method for high efficiency power amplification for a mobile communication system
24437551688Waveforms for envelope tracking transmitter
24447548759Power controlling method during a soft handoff in a mobile communication system
24457548733Wireless transmitter having multiple power amplifier drivers (PADs) that are selectively biased to provide substantially linear magnitude and phase responses
24467548732Power amplifier arrangement having two or more antenna coupling respective amplifiers to a supply potential
24477548591Quadrature modulator and calibration method
24487546097Calibration techniques for frequency synthesizers
24497546095Frequency multiplier
24507546094Method and system for deploying a wireless repeater
24517546092Transceiver
24527542741System and method for power mapping to compensate for power amplifier gain control variations
24537542739Up converter mixer linearization improvement
24547542738Method and apparatus for measuring and compensating for power amplifier distortion and non-linearity
24557542737Method for reducing the 2.sup.nd order intermodulation level of a transconductor, and corresponding transconductor
24567542736Techniques to decrease signal amplitude peak-to-average ratio in a wireless communications system
24577542735Multi-octave differential upconverter
24587542519Radio frequency transmitter and method therefor
24597539477Wireless LAN apparatus and semiconductor device
24607539475Wireless terminal methods and apparatus for DC tone special treatment
24617539468Communication terminal device and amplification circuit
24627539467Low leakage IC input structures including slaved standby current shut-off and increased gain for tighter hysteresis
24637539466Amplifier with varying supply voltage and input attenuation based upon supply voltage
24647539465Tuning an RFID reader with electronic switches
24657539464Power series type predistorter for multi-frequency bands operation
24667536198System and method for multiple input multiple output wireless transmission
24677536155Wireless communication device interconnectivity
24687535312Adaptive impedance matching apparatus, system and method with improved dynamic range
24697535310Distortion compensation circuit
24707535119Power control apparatus of a complex terminal
24717532869Automatic power level control circuit for a transceiver device
24727532868Approach for determining signal to noise ratios based on equalizer outputs and managing power for communications channels based on performance
24737529527Methods and apparatus for reestablishing a data connection with a wireless communication network
24747529526Apparatus and method for detecting radio frequency transmission power levels
24757529524Adaptive power amplifier linearization in time division duplex communication systems
24767529522Apparatus and method for communicating an input signal in polar representation
24777526260Apparatus, methods and articles of manufacture for linear signal modification
24787526259Radio frequency circuit and communication system with power amplifier control
24797522894Radio receiving apparatus
24807522892Power amplifier with serial interface and associated methods
24817519336Method and arrangement for optimizing efficiency of a power amplifier
24827519335Digital modulation signal mixer
24837519129Precoding of contention words in a fixed wireless access system
24847515884Method and system for self-calibrating transmit power
24857512422RF generator with commutation inductor
24867512387Method and control system for controlling the output power of an RF amplifier system
24877512386Method and apparatus providing integrated load matching using adaptive power amplifier compensation
24887509102DAC based switching power amplifier
24897509101Method and apparatus for reducing leakage in a direct conversion transmitter
24907505757Location based service (LBS) system, method and apparatus for triggering of mobile station LBS applications
24917505742Battery life extending technique for mobile wireless applications using bias level control
24927502817Method and apparatus for partitioning memory in a telecommunication device
24937502601Power amplifier with digital power control and associated methods
24947502600Dynamic bias for RF power amplifiers
24957502598Transmitting arrangement, receiving arrangement, transceiver and method for operation of a transmitting arrangement
24967499696Method to optimize hierarchical modulation for a diversity system
24977499683Wireless broadcast receiving device for vehicle
24987499682Dual voltage regulator for a supply voltage controlled power amplifier in a closed power control loop
24997496375Transmission power control device
25007496343Programmable mixer for reducing local oscillator feedthrough and radio applications thereof
25017496334Transmitter apparatus and wireless communication apparatus
25027496333Transmission circuit and communication apparatus employing the same
25037493094Multi-mode power amplifier module for wireless communication devices
25047493093Switchable power level detector for multi-mode communication device
25057493091Transmission circuit and communication device
25067489909Method and apparatus for controlling a TX power amplifier
25077489908Method and apparatus for controlling a TX power amplifier
25087486961Method of adjusting a signal power in a variable data rate mode in a mobile communication system
25097486939Apparatus for removing distortions created by an amplifier
25107486938Method and apparatus for controlling a TX power amplifier
25117483680Method and apparatus for modulation path delay mismatch compensation in a polar modulation transmitter
25127474879Power supply
25137474878Closed loop polar modulation system with open loop option at low power levels
25147474877Method for monitoring an RF power amplifier, and an RF device, a monitoring device, and an MR system corresponding thereto

2008

25157471938Power clipping circuit and power clipping method
25167471935Automatic level control
25177471934Transmitter method, apparatus, and frequency plan for minimizing spurious energy
25187471927Packet communication system, packet communication method, base station, mobile station, controller and packet communication program
25197471739Advanced adaptive pre-distortion in a radio frequency transmitter
25207469130Polar modulator and method for determining an amplitude offset in a polar modulator
25217469129Transceiver with closed loop control of antenna tuning and power level
25227468761Frequency converter for a television signal
25237466966Method for clipping a wideband radio signal and corresponding transmitter
25247463869Low noise high isolation transmit buffer gain control mechanism
25257463868Adaptive radio transceiver with offset PLL with subsampling mixers
25267463866I/Q mismatch calibration of direct conversion transceivers using the OFDM short training sequence
25277460843Amplifier apparatus, polar modulation transmission apparatus and wireless communication apparatus
25287460842Wireless transmitter having polar loop controller with current feedback and methods
25297460841Circuit arrangement and method for compensating for abrupt signal level changes in amplification devices
25307457595Power saving in a transmitter
25317457593Attenuator system
25327454223System and method for managing available uplink transmit power
25337450921Communication semiconductor integrated circuit device for use in a mobile communication device for correcting variations in the oscillation frequency of a transmission oscillator by calibrating a current of the charge pump
25347450917Power saving transmitter of mobile communication terminal
25357450916Excess current and saturation detection and correction in a power amplifier
25367450915Smart transmitter system
25377450913Circuit arrangement for a wideband mixer with predistortion and high linearity
25387450912Transmitter and transceiver
25397447485Device and method for controlling a voltage control signal
25407447484Timing controller and timing control method
25417447483Radio apparatus and a method for reducing interference in a radio apparatus
25427444161Self & minus; adaptive weighted space time transmitting diversity method and system thereof
25437444125Communications signal amplifiers having independent power control and amplitude modulation
25447444124Adjustable segmented power amplifier
25457444123Transmitter and mobile communication terminal using the same
25467444122Communications system with variable load and related method
25477440733Constant gain nonlinear envelope tracking high efficiency linear amplifier
25487440732Apparatus and method of local oscillator leakage cancellation
25497440731Power amplifier with VSWR detection and correction feature
25507437131Active mixer with self-adaptive bias feedback
25517433658System and method for controlling true output power of a transmitter
25527433656Reducing flicker noise in two-stage amplifiers
25537432955Portable communication terminal with camera and a method of controlling the same
25547428407Amplitude modulator, in particular for mobile radio, and a method for modulation of a signal
25557428308Transmitting and reproducing stereophonic audio signals
25567426374Combination of high-side and low-side current sensing in system for providing power over communication link
25577426373Electrically tuned resonance circuit using piezo and magnetostrictive materials
25587426372Piecewise linearizer circuit for radio frequency amplification
25597424315Communication bus system operable in a sleep mode and a normal mode
25607424276Transmitter and wireless communication apparatus using the transmitter
25617424275Method and system for sampling a signal
25627424274Digital transmitter and method
25637418244Radio transmitter with accurate power control
25647418243Very small aperture terminal with dual-input DC power control
25657415285Reducing power control errors in wireless communication system
25667415254Power control circuit, semiconductor device and transceiver circuit using the same
25677415251Apparatus and method for improving efficiency of a power amplifier having a high peak-to-average power ratio
25687415250Distortion compensating amplifier
25697412265Method and system for power-saving in a wireless local area network
25707412217Transceiver with interference signal rejection, and method for interference signal rejection
25717412216Radio transmitter
25727412215System and method for transitioning from one PLL feedback source to another
25737412212Communication system
25747412211Method for implementing enhanced hand shake protocol in microelectronic communication systems
25757409223Apparatus and method for transmission power balance adjustment in a mobile cellular system
25767409195Wireless modem
25777409194Calibrating an RF transmitter
25787409193Predistortion circuit for a transmit system
25797409192Method and apparatus for frequency synthesis in direct-conversion transmitters
25807408976MIMO-OFDM receiver processing with frequency and channel estimation
25817406300Extending wireless communication RF coverage inside building
25827406055Radio communication apparatus, transmitter apparatus, receiver apparatus and radio communication system
25837403750Reuse of digital-to-analog converters in a multi-mode transmitter
25847400900Mobile terminal
25857400865Variable bandwidth envelope modulator for use with envelope elimination and restoration transmitter architecture and method
25867400864Method and apparatus for compensating for phase variations caused by activation of an amplifier
25877398064Transmitting apparatus
25887398063System and method for detecting Radio Frequency signals over a range of powers
25897395038High-efficiency modulating RF amplifier
25907395033Radio communication apparatus
25917394754System and method for transmitting data in a multiple-branch transmitter-diversity orthogonal frequency-division multiplexing (OFDM) system
25927392022Thermally feedable transmitter and sensor system
25937392021Apparatus, system, and method for measuring power delivered to a load
25947392020Table reference type predistorter
25957391713Phase rotation technique to reduce Crest Factor of multi-carrier signals
25967389091High-frequency amplification circuit
25977383028Timing adjustment method for wireless communication apparatus
25987379717Adjustable amplifier for wireless data systems
25997379716Embedded IC test circuits and methods
26007379711Method and apparatus capable of mitigating third order inter-modulation distortion in electronic circuits
26017378918Two-point modulation type phase modulation apparatus, polar modulation transmission apparatus, wireless transmission apparatus and wireless communication apparatus
26027376438Power control for a channel with multiple formats in a communication system
26037376399Weighted mixing circuitry for quadrature processing in communication systems
26047376105Source coding for interference reduction
26057372917Digital algorithm for on-line ACPR optimization in polar RF transmitters
26067369820System and method for DC offset correction in transmit baseband
26077366485Multimode wireless transmitter and a portable wireless device using the same
26087366484Systems and methods for adjusting the bias level of a mixer in a transmitter
26097366482Transmission device, transmission output control method, and radio communications device
26107366481Apparatus for radio telecommunication system and method of building up output power
26117363014Transmitting apparatus and radio communication apparatus
26127363013Phase lock loop applying in wireless communication system and method thereof
26137363012Transmission power control device and method thereof, computer program for transmission power control device, and radio transmitter
26147359685Transmitting stage
26157359684Wireless communication system with variable intermediate frequency transmitter
26167359683Predistorter for use in a wireless transmitter
26177358829Transmission apparatus, communication apparatus and mobile radio apparatus
26187356316Wireless communication system
26197356315Outphasing modulators and methods of outphasing modulation
26207353039Power control of plural packet data control channels
26217353007Digital transmission circuit and method providing selectable power consumption via multiple weighted drive slices
26227353006Closed loop power control of non-constant envelope waveforms using sample/hold
26237352721Beam forming apparatus and method for an array antenna system
26247352691Double difference phase detection
26257349678Circuit arrangement for transmitting and receiving radio signals simultaneously
26267349676Upconverter
26277348846Amplifier arrangement
26287346318High frequency power amplifier component and radio communication system
26297346317Dynamic gain and phase compensation for power amplifier load switching
26307346312Wireless neural data acquisition system
26317346310Method for verifying anti-scrambling efficiency of a communication system
26327343139Device for converting frequencies, method of calibrating said device and system for transmitting/receiving electromagnetic signals comprising such a device
26337343138Compensating for load pull in electromagentic signal propagation using adaptive impedance matching
26347340265Method and apparatus for transient frequency distortion compensation
26357340234UWB transmitting and receiving device for removing an unnecessary carrier component in a transmission signal spectrum
26367340229High frequency amplification circuit and mobile communication terminal using the same
26377340228Apparatus and method for high efficiency RF power amplification using drain bias adaptation
26387340225Method for monitoring an RF power amplifier, and an RF device, a monitoring device, and an MR system corresponding thereto
26397340223Constant gain digital predistortion controller for linearization of non-linear amplifiers
26407336935Dynamic power control circuit of wireless communication device
26417336136High frequency semiconductor integrated circuit device, wireless electric unit and wireless communication system
26427333821Methods and apparatus for terminating use of quick paging channel based on high capacity power source usage
26437333784Method and apparatus for compensating code channel power in a transmitter
26447333783Mobile device with manually operated power source
26457333782Automatic gain controller for achieving high signal-to-noise ratio and low power loss, and a transmitting apparatus and method for use with a mobile communication terminal having the automatic gain controller
26467333781Power correction loop for a power amplifier
26477333780Polar modulation transmission apparatus and radio communication apparatus
26487333779PLL circuit and radio communication terminal apparatus using the same
26497333778System and method for current-mode amplitude modulation
26507330706Method and system for power control in radio transmitters
26517330704Electrical signal pre-conditioning
26527328040Mobile-communication equipment and transmission power control method
26537327991Pulse modulation circuit
26547321753Wireless transmission circuit enabling modulation of radio frequency power amplification
26557321752Linear amplification arrangement with non-linear amplifier element for a mobile radio device
26567321750Communication system, device and method
26577321259Programmable logic enabled dynamic offset cancellation
26587317903Wireless communication circuit, wireless communication apparatus, and wireless communication system
26597317902Successive log video pad power detector and method

2007

26607313372Stable process induced correction bias circuitry for receivers on single-ended applications
26617313371Methods and apparatus for reestablishing a data connection with a wireless communication network
26627313370Intermodulation product cancellation in communications
26637308242Method and system for down-converting and up-converting an electromagnetic signal, and transforms for same
26647308234Feedforward spur cancellation approach using low IP amplifier
26657305041Peak suppression of multi-carrier signal with different modulation
26667299015Transmission output control circuit, and wireless device using the same
26677295819Signal sample acquisition techniques
26687295818Electronic device having image capture and radio communication functions, operation control method and operation control program
26697295816Methods and apparatus for controlling signals
26707295815Constant gain digital predistortion controller for linearization of non-linear amplifiers
26717292829Power amplifier efficiency
26727289778Power circuit and communication device provided with same
26737289775Method for transmit power control
26747289774Communications method, apparatus and signal
26757289773Digital transmitter system employing self-generating predistortion parameter lists and adaptive controller
26767283794Low voltage digital interface
26777280809Method for adjusting transmission parameters from a transmitter for digital radio signals
26787280808Wireless communications devices including circuit substrates with partially overlapping conductors thereon coupling power to/from power amplifier systems
26797280611Nonlinear distortion compensating device
26807277689Transmission arrangement with power regulation
26817274915Low-noise transmitter system and method
26827272366Method and apparatus for reducing RF filter induced distortion in a wide bandwidth wireless system by the use of channel-dependent RF filter compensation
26837269440Cellular phone and method of operating the same
26847269394Frequency offset compensation for communication systems
26857266386Method for performing packet flooding at wireless ad hoc network
26867266350Radio frequency tuner
26877266349Multi-mode crystal oscillator
26887263338Device and method for regulating a transmission moment of a continuous transmission signal
26897263336Device, system and method to provide different bias voltages and common tuning voltage
26907263135Transmitting method and transmitter apparatus
26917260365Constant gain digital predistortion controller for linearization of non-linear amplifiers
26927260106Method and apparatus for managing energy usage of processors while executing protocol state machines
26937257382High frequency amplifier circuit permitting variable gain control
26947257381Self-tuned millimeter wave RF transceiver module
26957254377Parallel operation system of transmission amplifier
26967254370Method to maintain stability in a bi-directional amplifier
26977251464Method and apparatus for predistortion training in an amplifier utilizing predistortion
26987251463Methods and apparatus for controlling signals
26997249271Data transfer control device and electronic instrument
27007248846Feedforward amplifier and radio communication apparatus with the amplifier
27017248845Variable-loss transmitter and method of operation
27027248643Distortion compensator
27037245888Phone energy management for low battery voltages
27047245887High speed CMOS transmit-receive antenna switch
27057245886Method and system for frequency up-conversion with modulation embodiments
27067245885Device for compensating for a mismatch of a transmitter and a method of compensating for the mismatch
27077242955Method and apparatus for optimal multiple beam transmit weightings for beam to beam handoff in a switched beam system
27087242913Circuit arrangement for frequency conversion and mobile radio device with the circuit arrangement
27097239884Method for providing improved access times for a communication device
27107239855communication semiconductor integrated circuit device and wireless communication system
27117239854Frequency-doubling circuit arrangement, and mobile radio having that circuit arrangement
27127236801Method and apparatus for adjusting power in a communication system for a channel used for power control for reverse feedback channels
27137236757High-speed multi-channel communications transceiver with inter-channel interference filter
27147236754Method and system for frequency up-conversion
27157236753Direct outphasing modulator
27167236752Circuit arrangement for increasing a supply voltage
27177233745Field device configured for wireless data communication
27187231191Spurious ratio control circuit for use with feed-forward linear amplifiers
27197231190Method and apparatus for terminating reception in a wireless communication system
27207224948Transmitter and radio communication terminal using the same
27217221967Enhanced gain selected cell phone booster system
27227221915Electromagnetic wave transmitter, receiver and transceiver systems, methods and articles of manufacture
27237218951Continuous closed-loop power control system including modulation injection in a wireless transceiver power amplifier
27247218949Outer loop power control for wireless communication systems
27257218907Method and circuit for down-converting a signal
27267218899Apparatus, system, and method for up-converting electromagnetic signals
27277218898Apparatus and method for frequency generation in mobile communication system
27287215972Adaptive transmit power control system
27297215939Apparatus and method for detecting ripples caused by multipath propagation and controlling receiving antenna and tuner
27307215932On-chip impedance matching power amplifier
27317209719Home power line network connected phone
27327209718Transmitter control circuit
27337209717Apparatus for radio telecommunication system and method of building up output power
27347209716Radio communication system, radio station, and radio communication method
27357209715Power amplifying method, power amplifier, and communication apparatus
27367206557Method and apparatus for suppressing local oscillator leakage in a wireless transmitter
27377206553Method and apparatus for impedance matching in an amplifier using lumped and distributed inductance
27387203469Supergain array antenna system and method for controlling supergain array antenna
27397203468Signal generation device
27407200370Power amplifier having enhanced swing cascode architecture
27417200369LINC power transmitter
27427200367Constant gain digital predistortion controller for linearization of non-linear amplifiers
27437197287Data transmission method, base station and transmitter for compensating for non-linearities in a transmission chain
27447197286Radio with a distortion compensation capability
27457194242Direct-conversion transmitter circuit and transceiver system
27467190936Voltage regulator for high performance RF systems
27477190935Amplifier power detection circuitry
27487190934Reflected power suppression circuit
27497187911Calibrated PLL for wide band communication semiconductor integrated polar loop transmitter
27507184722Maintaining constant power over a wide range of temperatures employing a power amplifier with adjustable current drain
27517184720Method and device for simulating radio channel
27527181178Automatic gain control
27537181177Channel estimation in a multi carrier transmit diversity system
27547180937Method for determining imbalance in a vector signal modulator
27557177659Power amplification system and method
27567177605Power amplification device, in particular for a cellular mobile telephone
27577177603Constant gain digital predistortion controller for linearization of non-linear amplifiers
27587177602Electronic devices having automatic frequency control systems and methods and computer program products for operating the same
27597174143Receiver circuit with transmission loss compensation
27607174139Delay control in a digital radio transmitter system
27617173987Analog front end circuit
27627171173Redundant GPS antenna splitter
27637171172Method for calibration of a signal receiver
27647171171GaAs RF signal detection circuit with operational amplifier
27657171168Ramp signal with boost portion preceding a time slot
27667167693Scanning receiver for use in power amplifier linearization
27677164893Method and apparatus for optimizing supply modulation in a transmitter
27687164892Dual-mode transmitter for railroad crossings
27697162213Transmission method, transmitter, reception method, and receiver
27707162212System and method for obscuring unwanted ambient noise and handset and central office equipment incorporating the same
27717159236Transmission/reception integrated radio-frequency apparatus

2006

27727155179Full duplex transceiver having a method for immunizing itself against self-jamming
27737149556Method and apparatus for optimized battery life and authentication in contactless technology
27747149498Detecting usable frequency channels by exploiting complex polyphase filter operation
27757149485Method and device for processing mismatches between two quadrature paths of a chain of a reception adapted for example to the reception of a signal modulated according to a modulation of the OFDM type
27767149484Portable communication device having adjustable amplification and method therefor
27777146139System and method for reducing SAR values
27787146138Power boosting technique for wireless multi-carrier power amplifier
27797142832High-frequency device
27807142831Crest factor reduction and amplitude pre-distortion for multi-carrier signals
27817142830Adaptive transceiver system
27827142615Distortion compensator
27837139539Adaptive power pooling apparatus and method in a mobile communication system
27847139538Electronic component for amplifying high frequency power and radio communication system
27857139537Transmission output circuit and mobile communication terminal
27867139274Method and system for a data transmission in a communication system
27877136628Adaptive digital predistortion method and apparatus for wireless transmitter
27887136626Radio frequency modulator
27897133652Circuit arrangement for compensation of the damping in an antenna feed cable for a mobile radio device
27907133651Transmission apparatus for mobile communication terminal
27917132900High frequency semiconductor integrated circuit device, wireless electric unit and wireless communication system
27927130752Measuring-instrument remote-calibration system and measuring-instrument remote-calibration method
27937130653Power allocation of wireless transmission apparatus
27947130595Transmitter power amplifier ramping method
27957130594Power amplification device, especially with reduced input dynamic swing, in particular for a cellular mobile telephone
27967130357Apparatus and method for compensating error for analog quadrature modulator (AQM)
27977127220Apparatus and method to monitor and control power
27987127219Transmitter
27997127216Integrated circuit and method for receiving and transmitting signals of different frequency bands
28007123899Broadband single-ended input upconverter
28017123890Signal sample acquisition techniques
28027120401System and method for controlling transmitter output levels in a wireless communications device
28037120400Method and apparatus to control power of transmitter
28047120399High speed CMOS transmit-receive antenna switch
28057120398Mobile communication devices having high frequency noise reduction and methods of making such devices
28067120390BLUETOOTH smart offset compensation
28077117006Portable cellular phone system with automatic answering telephone function
28087116951Transmitter circuit and method for modulation distortion compensation
28097116950Direct-conversion transmitting circuit and integrated transmitting/receiving circuit
28107116947Transmitter
28117116946Transmitter
28127113757Method and its apparatus for increasing output power of the carriers of wide-band multi-carrier base station
28137113756Passive mixer with improved linearity
28147113755Passive mixer with improved linearity
28157110779Wireless communications system including a wireless device locator and related methods
28167110730Apparatus for mobile communication system which performs signal transmission by amplitude modulation and phase modulation
28177110727Methods for determining the gains of different carriers, radio transmission units and modules for such units
28187109897Power amplifier control reducing output power variation
28197107028Apparatus, system, and method for up converting electromagnetic signals
28207107027Distributed transmitter automatic gain control
28217107026Automatic matching and tuning unit
28227107025High gain, highly linear mixer
28237103331Low noise block down converter with reduced power consumption
28247103330Method of transmitting information between an information transmitter and an information receiver
28257099635High-efficiency modulating RF amplifier
28267095988Apparatus for linear transmitter with improved loop gain stabilization
28277092686Automatic transmit power control loop
28287092684Method and apparatus for reducing interfering signals in a transmitter
28297092683Transmission circuit
28307092681High output power radio frequency integrated circuit
28317091772Power amplification by using different fixed power supply signals for the amplifier
28327088971Integrated RF front end
28337088969Highly linear power amplifier and radio applications thereof
28347088968Method and polar-loop transmitter with origin offset for zero-crossing signals
28357088967Data-compensating power measurement
28367088965Fractal antenna system and method for improved wireless telecommunications
28377085594Portable telephone apparatus
28387085587Signal processing semiconductor integrated circuit device and wireless communication system
28397085545Transmission power control circuit
28407085536Method and apparatus for dynamically resolving radio frequency interference problems in a system
28417079819RF transmitters with saturation detection and correction and methods therefor
28427079818Programmable mutlistage amplifier and radio applications thereof
28437073190Interactive applications
28447072626Polar modulation transmitter
28457072625Antenna circuitry
28467071792Method and apparatus for impedance matching in an amplifier using lumped and distributed inductance
28477071677Accurate and efficient sensing method for bi-directional signals
28487068985Radio transmitters with temperature compensated power control profiles and methods of operating same
28497068983Method for detecting quadrature modulator carrier leak adjusting point by geometrical analysis/calculation method, carrier leak adjusting method, and quadrature modulation apparatus
28507068980Pre-distortion apparatus and method for recovering nonlinear distortion of high power amplifier
28517062237Power amplifier (PA) with improved power regulation
28527062234Pre-distortion cross-cancellation for linearizing power amplifiers
28537062233Transmitter linearization
28547058373Hybrid switched mode/linear power amplifier power supply for use in polar transmitter
28557058372Method and apparatus for automatic tuning of a resonant loop antenna
28567058371Mechanism for modulating wireless communication signals
28577058370Transmission power amplifier unit
28587058369Constant gain digital predistortion controller for linearization of non-linear amplifiers
28597058360Method and system for stabilizing the performance variation of a radio frequency device
28607054597Power control for a transmitter
28617050840Wireless transmission apparatus
28627050825Method for power reduction in inter-symbol interference limited channels
28637050772Circuit arrangement for switching a mobile radio transmitter between two modulation modes
28647050769Electronic apparatus and design method
28657050508Method and system for frequency up-conversion with a variety of transmitter configurations
28667046974Radio frequency circuit and communication system with power amplifier control
28677046973Method and circuitry for high power amplifiers with voltage conversion to avoid performance degradation, system shutdown and permanent damage in case of worst case data pattern
28687046972Predistortion linearizer and predistortion distortion compensation method, program, and medium
28697046971Distortion-correcting circuit, integrated circuit, and radio communication device
28707046970System and method of phase modulation control in RF signal generation
28717046119Vehicle independent passive entry system
28727043212System and method for transmitting signals in a random access channel of a radio communication system
28737043211Universal modulator
28747039373Wireless communication apparatus and transmission power control method thereof
28757039372Method and system for frequency up-conversion with modulation embodiments
28767039371Transmitting device limiting the out-of-band interferences
28777035604Communications signal amplifiers having independent power control and amplitude modulation
28787035603Wireless transmitter
28797035601Data transmission method, base station and transmitter for compensating for non-linearities in a transmission chain
28807035600Digitally adaptive modulated transmitter
28817035584Antenna phase modulator
28827031734System and method for confirming short message service (SMS) message reception in mobile communication terminal
28837031678Wireless speech and data transmission
28847031677Optimization of the operating point of power amplifiers in mobile stations
28857031676Radio frequency transmitter having translational loop phase equalization
28867031672Direct conversion transmitter system and method with quadrature balancing and low LO feed through
28877027843Wireless device power optimization
28887027789Self-tuned millimeter wave RF transceiver module
28897027785Transmitter RF power control
28907027784Method and apparatus for detecting power levels of varying envelope signals
28917027783Method and apparatus providing reduction in transmitter current consumption using signal derived from rectified input signal
28927024167Method for amplitude modulation of a radio frequency signal, and device therefor
28937020447Method and apparatus for compensating for distortion in radio apparatus
28947013168Folding portable telephone apparatus
28957013115Method for the generation of modulation by frequency division followed by frequency multiplication, and radiofrequency apparatus
28967010282Dynamic bias for RF power amplifiers
28977010281Array antenna apparatus utilizing a nonlinear distortion compensator circuit
28987010280Linear RF power amplifier and transmitter
28997010278Sideband suppression method and apparatus for quadrature modulator using magnitude measurements
29007010277Arrangement and method for interference cancelling
29017006804High-speed two-way point-to-point transmission
29027005941High-frequency coupler
29037003288Mobile communication terminal
29047003270Electronic apparatus having radio transmitter
29056999739Stacked FET receiver method and apparatus
29066999738Device and method for pre-treating a signal to be transmitted using a non-linear amplifier with an upstream band-pass filter
29076999737Wireless transmitter and device for mobile station
29086999736Transmitting apparatus
29096999734Nonlinear compensating circuit, base-station apparatus, and transmission power clipping method
29106999733Peak factor reduction device
29116999524Arrangement for controlling the output power of an HF transmitter
29126998915Apparatus for switching matching circuit in mobile communication terminal
29136996382Transmission output power control device for use in a burst transmitter and control method
29146996381Apparatus and method for compensating transmission power in mobile terminal
29156993302Class-L power-output amplifier
29166993299Efficiency of power amplifiers in devices using transmit beamforming
29176990323RF power amplifier circuit
29186987955Approach for managing power for communications channels based on performance
29196987953Digital transmitter and method
29206985704System and method for digital memorized predistortion for wireless communication
29216985702Transceiver with frequency multiplier tracked to frequency generator
29226985456Method to reduce interference and increase effective capacity of power line networking systems
29236983133Linearization apparatus for linear automatic gain control in a mobile communication terminal and method for controlling the same
29246983132Multi-band RF receiving method and apparatus in mobile communication system
29256983131Circuit configuration for direct modulation
29266982559Accurate and efficient sensing circuit and method for bi-directional signals

2005

29276965837Method and arrangement for detecting load mismatch, and a radio device utilizing the same
29286965762System and method for antenna diversity using joint maximal ratio combining
29296961596Modular RF antenna and filter system for dual radio WLAN access points
29306961547Wireless transmitter incorporating a synchronous oscillator in a translation loop
29316961368Adaptive antenna optimization network
29326960956Apparatus and methods for monitoring and controlling power amplifier linearity using detected fundamental and harmonic components
29336959174Amplifying device
29346956432Transmission output correcting apparatus
29356954623Load variation tolerant radio frequency (RF) amplifier
29366954620RF power control system including watchdog circuit
29376952567Envelope error extraction in IF/RF feedback loops
29386952566Transmission circuit and unnecessary radiant wave suppression method
29396950637Power rate enhancement circuit for an RF power amplifier in a dual mode mobile phone
29406950636Power amplifier control driver having over-current protection and linear control
29416947721Wireless communications with transceiver-integrated frequency shift control and power control
29426944238Digital transmitter system and method
29436941119Redundancy scheme for the radio frequency front end of a broadband wireless hub
29446937848Method and device for digital-to-RF conversion
29456934557Portable type radio equipment
29466934520CMOS current mode RF detector and method
29476934519Radio transmission apparatus
29486934341Method and apparatus for plurality signal generation
29496934267Time slot allocation control based on temperature in a radio transceiver
29506934265Interference cancellation receiver for high-speed communication systems
29516928281Active antenna system with fault detection
29526928273Radio transmission apparatus for communication using microwave signal
29536928269Transmission and reception device for mobile radio
29546927627Amplifier power control in frequency hopping applications and methods
29556925172Line interface with gain feedback coupled matching impedance
29566922552Linearization method and signal processing device
29576922550Communication device with efficient excitation of a resonant circuit
29586920186Exciter/phasor/transmitter for directional antenna system
29596915119Telephone and data transmitting method for telephone
29606915117Multistage modulation architecture and method in a radio
29616914481High frequency power amplifier apparatus and power amplifier module use the same
29626909884Amplifier phase change compensation
29636907234System and method for automatically tuning an antenna
29646907231On-chip impedance matching power amplifier and radio applications thereof
29656907085Activation method of communications apparatus with a non-linear distortion compensation device
29666906684Controlling a telescopic antenna mast
29676904268Low noise linear transmitter using cartesian feedback
29686904267Amplifying device
29696903604Method and apparatus for modeling and estimating the characteristics of a power amplifier
29706898419Remotely adjustable bandpass filter
29716898257Transmitter device having a modulation closed loop
29726897723Feed-forward amplifier loop control utilizing if signal processing
29736897721Composite amplifier with optimized linearity and efficiency
29746895227Transmission output stage for a mobile telephone
29756895225System for matching an antenna for a wireless communication device
29766889038Dynamic biasing of a transmitter
29776885855High frequency amplification circuit
29786885322Apparatus and method for transmitter phase shift compensation
29796885256Input circuit for an HF-transmitting component
29806882832Frequency verification of an amplitude modulated signal
29816882831Translational loop transmitter architecture employing channel power ratio measurements for modulation accuracy calibration
29826882829Integrated circuit incorporating RF antenna switch and power amplifier
29836879220Switchless combining of multi-carrier coherent and incoherent carriers
29846876697Apparatus and method for power ramp up of wireless modem transmitter
29856873860Base transceiver station with distortion compensation
29866873299Dual resonance antenna apparatus
29876871050Circuit configuration for controlling the transmitting power of a battery-operated transceiver
29886871049Improving the efficiency of power amplifiers in devices using transmit beamforming
29896868261Transmitter method, apparatus, and frequency plan for minimizing spurious energy
29906868260Radio station with optimized impedance
29916864745Distortion compensation device
29926862432Antenna impedance matching device and method for a portable radio telephone
29936859643Power amplifier sharing in a wireless communication system with amplifier pre-distortion
29946856654Power supply system for a packet-switched radio transmitter
29956850765Transmitter using frequency hopping for mobile communications systems
29966850738Method and antenna arrangement for coupling external antennas to a communication unit
29976850119Power amplifier overload protection
29986850117CMOS transceiver having an integrated power amplifier
29996845126System and method for adaptive antenna impedance matching
30006845083Multi-standard transmitter system and method for a wireless communication system

2004

30016836646Circuit and method for compensating for non-linear distortion
30026834183VCO gain tracking for modulation gain setting calibration
30036833771High efficiency amplifier with amplifier element, radio transmission device therewith and measuring device therefor
30046829488Transmission level control method and transceiver apparatus in wireless local loop system
30056823179Transmission power detecting apparatus and transmission apparatus
30066823003Multi-path transceiver amplification apparatus, method and system
30076819720Noise cancellation in a predistortion architecture
30086813480Voltage controlled attenuator for multi-band and multi-mode transmitter and method thereof
30096806820Analog reconstruction of a digital signal
30106801784Continuous closed-loop power control system including modulation injection in a wireless transceiver power amplifier
30116801760Control of receiver immunity to interference by controlling linearity
30126798845Transmitter for mobile terminal with carrier leak suppressing circuit
30136795691Variable-power transceiving device
30146792250Method and system for spurious and noise cancellation in a wireless transmitter
30156788138Transmission power control circuit
30166785521System and method for current-mode amplitude modulation
30176785520System and method for antenna diversity using equal power joint maximal ratio combining
30186784753Method for modulating an output voltage of a RF transmitter circuit, and RF transmitter circuit
30196782239Wireless output input device player
30206778814Wireless microphone apparatus and transmitter device for a wireless microphone
30216778590Carrier changer and changing method
30226766148Switched sideband frequency low-IF transmitter
30236765929Method and apparatus for combining signals
30246760604Portable radio transceiver having shared power source for audio and RF amplifiers
30256760571Automatic frequency deviation detection and correction apparatus
30266757525Distortion compensating apparatus
30276757338Predistortion linearizer using even order intermodulation components
30286756843Signal transmitter with pulse-controlled amplification
30296753716Balanced load switch
30306747584Aggregate beamformer for use in a directional receiving array
30316747573Apparatus and method for generating coded high-frequency signals
30326744317Digital linearizer of high power amplifier and digital linearizing method
30336741840RF transmitters with saturation detection and correction and methods therefor
30346738431Method for neutralizing a transmitter tube
30356737918Distortion compensation apparatus
30366731919Amplifier apparatus and method for controlling a local oscillator frequency based on the detected temperature of if bandpass filters
30376731915Combined RF power detector and power precorrector
30386731199Non-contact communication system
30396718165Apparatus and method for reducing nonlinear distortion in an automatic gain control system
30406717981Transmitter image suppression in TDD transceivers
30416714983Modular, portable data processing terminal for use in a communication network
30426714770Method and apparatus for prevention of the concurrence of modes condition during operation of electronic device
30436711385Coupler for wireless communications
30446708022Power amplification system and mobile radio communication terminal
30456701134Increased dynamic range for power amplifiers used with polar modulation
30466697030Tunable dual band antenna system
30476694130System and method for dynamically varying operational parameters of an amplifier
30486693488Apparatus and method for a fast bandwidth switching circuit in a power amplifier control circuit
30496690743Compensation of delay in linearization loop of power amplifier
30506687492System and method for antenna diversity using joint maximal ratio combining
30516687490Transmission apparatus and method for a mobile communication terminal
30526687488Fully integrated all-CMOS AM transmitter with automatic antenna tuning
30536686875Bi-directional amplifier module for insertion between microwave transmission channels
30546681101RF transmitter with extended efficient power control range
30556677870Device and method for compensating for nonlinearity of power amplifier with predistortion in IF band

2003

30566671498Frequency tracking and locking system of a wireless microphone
30576670801Second harmonic tuning of an active RF device
30586662002Frequency conversion circuit and transmitter
30596661999System for increasing RF power as a constant over a temperature range and employing reduced transmitter current drain during low power output periods
30606661284Method and apparatus for error compensation in a hybrid matrix amplification system
30616658265Matching network for a dual mode RF amplifier
30626658239Fully integrated ALL-CMOS AM transmitter with automatic antenna tuning
30636658238Method for elaborating a transmission signal and transmitter with amplifying cells for implementing same
30646658236Wireless apparatus with frequency synthesizers
30656658115Method and apparatus for high fidelity wireless stereophonic transmission
30666658065System of and method for reducing or eliminating the unwanted sideband in the output of a transmitter comprising a quadrature modulator followed by a translational loop
30676654378Transaction control system including portable data terminal and mobile customer service station
30686653909Digital signals, radio transmitter circuits and method
30696650876Methods and arrangement relating to a radio communication network
30706647072Transmitting circuit improving SN ratio in low output power and CN ratio in low to intermediate output power
30716640091Dual-band output switching high-frequency transmission circuit with a transmission mixer having two outputs
30726633751System for a dual feedback translation loop for power amplifier feedback control
30736633199Amplifier circuit, radio transmitter, method and use
30746631196Method and device for using an ultrasonic carrier to provide wide audio bandwidth transduction
30756629070Voice activity detection using the degree of energy variation among multiple adjacent pairs of subframes
30766625470Transmitter
30776625430Method and apparatus for attaining higher amplifier efficiencies at lower power levels
30786625427Radio transmission apparatus
30796617930Power supply circuit for transmitter
30806615028System and method for selecting amplifiers in a communications device
30816614837Device system and method for low noise radio frequency transmission
30826614768Enhanced mobility and address resolution in a wireless premises based network
30836606483Dual open and closed loop linear transmitter
30846597925Transmitter circuit with frequency self-optimization
30856587511Radio frequency transmitter and methods thereof
30866587014Switch assembly with a multi-pole switch for combining amplified RF signals to a single RF signal
30876587010Modulated radio frequency signal generation method and modulated signal source
30886580901Burst-type transmission output power control apparatus capable of reducing phase errors
30896577850Booster for amplifying the transmission output of a handy phone
30906571087Radio transmitter apparatus
30916567653Dual-mode communications transmitter
30926567478Radio apparatus having distortion compensating function
30936564039Frequency generation circuit and method of operating a tranceiver
30946563883Transmitter
30956560465Method and apparatus for controlling and maintaining a tower top low noise amplifier
30966556815Transmitting circuit in which damage to power amplifier due to reflected wave is prevented and transmitter-receiver provided with the transmitting circuit
30976556629Orthogonal signal transmitter
30986553213Transmitter output power detecting circuit
30996549761Radio frequency transmission control apparatus for preventing oscillation in wideband wireless local loop terminal
31006538506Matching apparatus
31016535719FM transmitter
31026529716RF transmitter with extended efficient power control range
31036526262Phase-locked tracking filters for cellular transmit paths
31046516206Transceiver operation in radio system
31056515544Multi-terminal power combining feed-forward amplifier
31066507732Dynamic path gain compensation for radios in wireless communication systems
31076504433CMOS transceiver having an integrated power amplifier
31086504431CMOS transceiver having an integrated power amplifier

2002

31096501331Multi-band amplifier
31106496708Radio frequency coupler apparatus suitable for use in a multi-band wireless communication device
31116493400Harmonic cancellation system
31126493326Method and apparatus for saving power during punctured transmission of mobile communications
31136490440Digital transmitter circuit and method of operation
31146487398Low noise architecture for a direct conversion transmitter
31156484017Up converter of base station transmitter in wireless communication system and method of controlling outputs thereof
31166483827Dect-based radio station
31176480705Distortion compensation method and wireless communication apparatus
31186480703Common carrier, multiple output RF upconverter
31196480465AM transmitter having feed-forward correction to compensate for source impedance
31206477182Data transmission method and apparatus
31216473598Most cost-effective asmmic-based universal microwave and millimeter wave transceiver
31226466770BALUN circuit for combining differential power amplifier outputs
31236462628Isolator device with built-in power amplifier and embedded substrate capacitor
31246456822Electronic device and method for blocking cellular communication
31256442379Radio apparatus and method having a d.c. component signal superposed on a transmission-signal
31266438359Dual transmitter arrangement with back-up switching
31276430403Temperature compensated, zero bias RF detector circuit
31286424226Two-port with a frequency-dependent network
31296420940Transmitter with a phase modulator and a phase locked loop
31306418321Transmission power controller
31316418302Wireless device
31326414562Circuit and method for impedance matching
31336411653Cascaded polyphase DFT-filter band for a wireless telecommunications system
31346404824Apparatus and method to reduce power amplifier noise generation in a multiplexed communication system
31356404823Envelope feedforward technique with power control for efficient linear RF power amplification
31366400931Card-like wireless communication device
31376400336Tunable dual band antenna system
31386397077Wide frequency range couplers and detectors for power detection in multiple frequency band systems
31396396879Transmission power controller and transmission power control method
31406393265Method and apparatus for two dimensional filtering in a communications system using a transformer system
31416389303Booster for amplifying the transmission output of a handy phone
31426385436Distortion compensation circuit
31436380802Transmitter using input modulation for envelope restoration scheme for linear high-efficiency power amplification
31446374092Efficient multimode power amplifier
31456374083Apparatus, and associated method, for selectively modifying characteristics of the receive signal received at a receiving station
31466374082RF wireless communication system operating in periodic noise environments
31476370364Mobile station having power control loop offset alignment without requiring RF power measurement
31486366774Method and apparatus for providing RF output power compensation for a battery backup system
31496353359Training scheme for high efficiency amplifier
31506339702Output power detection circuit of transmitter

2001

31516327462System and method for dynamically varying operational parameters of an amplifier
31526324383Radio transmitter distortion reducing techniques
31536321072Distortion control feedback loop utilizing a non-linear transfer function generator to compensate for non-linearities in a transmitter circuit
31546320912Digital modulator
31556317608Power amplifier matching in dual band mobile phone
31566317468IF exciter for radio transmitter
31576317003Radio-frequency amplifier, and radio communication system using it
31586313698Method and apparatus for wireless phone transmit power amplification with reduced power consumption
31596301306Method and apparatus for generating a short-range wireless data communication link
31606298244Dual-band, dual-mode power amplifier
31616298223Detector circuit and method of detecting antenna mismatch
31626292677Power delivery system and method of controlling the power delivery system for use in a radio frequency system
31636292673Radio signal transmitter
31646285255Adaptive compensation for carrier signal phase distortion
31656282411Mobile communication terminal device
31666282247Method and apparatus for digital compensation of radio distortion over a wide range of temperatures
31676281748Method of and apparatus for modulation dependent signal amplification
31686265935Amplifier for radio transmission
31696259901Radio-frequency power amplifier of mobile communication equipment
31706259301Method and apparatus for selecting from multiple mixers
31716253068Fully integrated all-CMOS AM transmitter with automatic antenna tuning
31726253066Apparatus and method for producing a plurality of output signals with fixed phase relationships therebetween
31736243566Impedance matching for a dual band power amplifier
31746242986Multiple-band amplifier
31756240279Transmission power control apparatus and a radio communication apparatus including the transmission power control apparatus
31766240278Scalar cost function based predistortion linearizing device, method, phone and basestation
31776239661Transmitter and an oscillator network for use in the transmitter
31786236863Comprehensive transmitter power control system for radio telephones
31796236837Polynomial Predistortion linearizing device, method, phone and base station
31806236284RF power amplifier system having distributed modulation encoding
31816233434System for transmitting/receiving a signal having a carrier frequency band for a radio base station
31826230031Power amplifying circuitry for wireless radio transceivers
31836226496Antenna malfunction detecting system
31846225864RF amplifier having a dual slope phase modulator
31856223022Mobile radio telephone with impedance matching network having two transformation factors
31866219532Movable radio terminal device capable of precisely matching impedances
31876216012Dualband power amplifier control using a single power amplifier controller
31886215987Mobile communication transmitter capable of selectively activating amplifiers
31896215733Digital drive sonar power amplifier
31906215359Impedance matching for a dual band power amplifier
31916215354Closed loop calibration for an amplitude reconstruction amplifier
31926212367Mobile telephone apparatus with tunable filter tuned to the transmit band
31936208846Method and apparatus for enhancing transmitter circuit efficiency of mobile radio units by selectable switching of power amplifier
31946195536Impedance matching for a dual band power amplifier
31956188877Dual-band, dual-mode power amplifier with reduced power loss
31966178313Control of gain and power consumption in a power amplifier
31976173163Switched sampling systems and methods for monitoring radio transmit power
31986169885Radio devices including power amplifier control circuits with hardware lockouts

2000

31996167099Multi-channel digital transceiver and method
32006154664Dual band cellular phone with two power amplifiers and power control circuit therefore
32016154634Communications system including closely spaced transmit and receive antennas
32026151509Dual band cellular phone with two power amplifiers and a current detector for monitoring the consumed power
32036147553Amplification using amplitude reconstruction of amplitude and/or angle modulated carrier
32046147543Method and apparatus for selecting from multiple mixers
32056144535Device load variation protection circuit
32066133804Transmitter with complex phase comparator
32076128478Apparatus and method for amplifying a radio frequency signal
32086125266Dual band architectures for mobile stations having transmitter linearization feedback
32096122491Communications system using power amplifier with dynamic biasing
32106115586Multiple loop radio frequency synthesizer
32116115363Transceiver bandwidth extension using double mixing
32126108376Reception and demodulation of widely spaced pulse position modulated signals
32136104759Power supply system for a packet-switched radio transmitter
32146101374Radio communication apparatus having two antennas controlled by standing wave ratio
32156097973Electronic circuit for a portable electronic device
32166091966Dual-band, dual-mode power amplifier
32176091941Radio apparatus
32186091939Mobile radio transmitter with normal and talk-around frequency bands
32196085074Apparatus and method for amplifying an amplitude-varying signal
32206081701Gain controller
32216081698Radio apparatus and offset compensating method
32226081696Method and apparatus for controlling frequency of a multi-channel transmitter
32236081694Mobile telephone transmitter with internal auxiliary matching circuit
32246081156Method and apparatus for amplifying feedforward linear power using pilot tone hopping
32256078794Impedance matching for a dual band power amplifier
32266078793High precision controlled gain voice processing system and method
32276075995Amplifier module with two power amplifiers for dual band cellular phones
32286072994Digitally programmable multifunction radio system architecture
32296061550Radio transmitter
32306061427Transmission power control method in asymmetric digital subscriber line system
32316058291Methods and apparatus for carrier suppression in a radio modulator
32326054906RF power divider
32336049707Broadband multicarrier amplifier system and method using envelope elimination and restoration
32346049703Amplifier circuit and method for increasing linearity of the amplifier circuit
32356047199Systems and methods for transmitting mobile radio signals
32366041081CDMA transmitter having a variable gain circuit inserted between a transmitter mixer and a transmitter antenna
32376014553Automatic gain control circuit for satellite communication transmitters

1999

32386009119Adaptive power leveling of an RF transceiver utilizing information stored in non-volatile memory
32396006116Time-division radio that is powered by a low-power energy source
32406002943Power limiting circuit for radio communication device with a retractable antenna
32416002300Control system for the linearization of an amplifier circuit
32425987307Power control in wireless radio tranceivers
32435983085Method and apparatus that compensates for output power variations in a transmitter by using scaling factors to scale the baseband input signal
32445983084Transmitter having an improved LC oscillator
32455974041Efficient parallel-stage power amplifier
32465973557High efficiency linear power amplifier of plural frequency bands and high efficiency power amplifier
32475970046Apparatus for demodulating AM data multiplexed modulated wave signal
32485969582Impedance matching circuit for power amplifier
32495966645Transmitter with low-level modulation and minimal harmonic emissions
32505933767Apparatus and method for tuning the gain of a transmitter utilizing cartesian feedback
32515930689Apparatus and method for producing a plurality of output signals with fixed phase relationships therebetween
32525930688Method and apparatus for intermodulation noise suppression in RF power amplifiers
32535929776Low voltage transceiver
32545926749Amplifier circuit having common AGC to IF and RF amplifiers for use in a transmitter
32555924024Method and circuit for achieving frequency conversion
32565915213Transmitter apparatus with linearizing circuit to compensate for distortion in power amplifier
32575913154VSWR control technique for terminal products with linear modulation
32585912594Compact crystal oscillator having no large capacitor element
32595909643Transmitter power varying device having a bypass line for a power amplifier
32605909642Nonlinear distortion detecting circuit and nonlinear distortion compensating circuit for transmitter
32615903854High-frequency amplifier, transmitting device and receiving device
32625903823Radio apparatus with distortion compensating function
32635893030Dual-function double balanced mixer circuit
32645893027Fully integrated two-way radio transmitter utilizing current mode transmit buffer and method of using same
32655893026Low pass filter for suppressing harmonic of radio transmitter
32665886573Amplification using amplitude reconstruction of amplitude and/or angle modulated carrier
32675883927Digital wireless telecommunication device for reduced interference with hearing aids
32685881375Paging transmitter having broadband exciter using an intermediate frequency above the transmit frequency
32695872481Efficient parallel-stage power amplifier
32705867535Common transmit module for a programmable digital radio
32715862458Impedance matching circuit in transmitter circuit and control method thereof
32725862457Multichannel predistortion linearizer
32735859869Low cost binary phase shift keying modulation transmitter system

1998

32745852636Method of and apparatus for modulation of FSK carrier in a very narrow band
32755842140Waste energy control and management in power amplifiers
32765831548Radio frequency transmitter having switched mode power supply
32775826177Radio transmitter
32785826174Method and apparatus for improving data transmission over a wireless system by optical spectrum positioning
32795818883Multi-channel digital transceiver and method
32805818298Linear amplifying apparatus using coupled non-linear amplifiers
32815818127Transmission of FM video signals over various lines
32825812941Circuit for measuring output powers of channels and stabilizing radiofrequency output in system using linear power amplifier
32835812936Energy-efficient time-division radio that reduces the induction of baseband interference
32845802451Non-linear compensation circuit for a power amplifier
32855798674Band Limited AM modulator using linear power amplification
32865794132Wireless communication system including digital data signal transmission control
32875794131Reducing or eliminating radio transmitter mixer spurious outputs
32885793253High power solid state microwave transmitter
32895787362AM removal from FM signal generated by IQ modulator
32905783968RF amplifier method and apparatus
32915781849Spurious signal reduction in RF transmitter integrated circuits
32925778308Adaptive antenna matching
32935778307Amplifier with adaptive output allocation and method thereof
32945774797Portable telephone
32955774017Multiple-band amplifier
32965771444Waste energy control and management in power amplifiers
32975771442Dual mode transmitter
32985768693Method and apparatus for controlling frequency of a multi-channel transmitter
32995758268Transmitter
33005758262Apparatus for converting TV audio signals for reception on a nearby AM and/or FM receiver
33015754597Method and apparatus for routing a digitized RF signal to a plurality of paths
33025752172Distributed transmitter output power control circuit and method for a radio telephone
33035748683Multi-channel transceiver having an adaptive antenna array and method
33045748678Radio communications apparatus
33055745526Radio transmitters and methods of operation
33065740522Method and apparatus for reducing receive band transmitter-chain noise for a portable duplex transceiver
33075740520Channel correction transceiver
33085732333Linear transmitter using predistortion
33095732325Waste energy control and management in power amplifiers
33105729829Interference mitigation method and apparatus for multiple collocated transceivers
33115727026Method and apparatus for peak suppression using complex scaling values
33125717719Digital radio transmission-reception apparatus
33135712628Digitally programmable radio modules for transponder systems
33145708681Hybrid analog/digital method and apparatus for controlling the transmission power level of a radio transceiver

1997

33155697074Dual rate power control loop for a transmitter
33165697072Transmission signal level control device for radio transmitter
33175682431FM stereo broadcasting apparatus and method
33185678210Method and apparatus of coupling a transmitter to a waveguide in a remote ground terminal
33195666659Method of and structure for increasing signal power over cellular link
33205649288Dual-function double balanced mixer circuit
33215640692Transmission system for the transmit part of a terminal associated with a digital mobile radio installation
33225640129Switching RF generator and modulator
33235638024Waste energy control and management in power amplifiers
33245631604Waste energy control and management in power amplifiers
33255608761Method, device, and radio for compensating for modulator frequency drift while allowing for data transmission
33265603105Baseband signal processing circuit for a radio communication apparatus
33275602874Method and apparatus for reducing quantization noise

1996

33285590402Multi-mode transmitter for transmitter for signals having varying deviation levels
33295588022Method and apparatus for AM compatible digital broadcasting
33305586145Transmission of electronic information by pulse position modulation utilizing low average power
33315584059DC offset reduction in a zero-if transmitter
33325584058System and method for combining multiple transmitters in a multiple channel communication system
33335581617System for short-range transmission of signals over the air using a high frequency carrier
33345579341Multi-channel digital transceiver and method
33355574992Method and apparatus for reducing off-channel interference produced by a linear transmitter
33365574967Waste energy control and management in power amplifiers
33375568088Waste energy control and management in power amplifier
33385564101Method and apparatus for transmitter for universal garage door opener
33395564087Method and apparatus for a linear transmitter
33405564086Method and apparatus for enhancing an operating characteristic of a radio transmitter
33415559809Transmit block up-converter for very small aperture terminal remote station
33425555276Method of and apparatus for controlling modulation of digital signals in frequency-modulated transmissions
33435551070Cartesian multicarrier feedback
33445548825Radio transmitter with active band-pass filtering
33455542112Method and apparatus for providing reliable signalling tones in a radio communication system
33465542096Method for a transmitter to compensate for varying loading without an isolator
33475535247Frequency modifier for a transmitter
33485530923Dual mode transmission system with switched linear amplifier
33495530922Power detector with matching impedance for radio frequency signal amplifiers
33505530920Automatic output level control system for multi-carrier radio transmission apparatus
33515526528Abnormal transmission stopping circuit for transmitter
33525524285Radio transmitter with power amplifier and linearization
33535511239Mobile radio system/transmitter with a controllable power amplifier
33545507015Method and apparatus for automatic modulation calibration in a radio transmitter
33555491839System for short range transmission of a plurality of signals simultaneously over the air using high frequency carriers
33565490172Reducing peak-to-average variance of a composite transmitted signal via out-of-band artifact signaling
33575483683Changeover means for r.f. source

1995

33585465068Excitation stage of a transmission tube for short-wave transmitter
33595448771Embedded transmission line coupler for radio frequency signal amplifiers
33605448768Aircraft data communication employing existing voice channels
33615448766Method and apparatus for automatically replacing a non-functioning transmitter in a radio communication system
33625438703Radio with reduced frequency pull
33635438686Amplitude-modulated broadcast transmitter for various types of modulation, in particular DSB, SSB and ISB
33645438684Radio frequency signal power amplifier combining network
33655432473Dual mode amplifier with bias control
33665423082Method for a transmitter to compensate for varying loading without an isolator
33675423074AM-FM transmitter power amplifier
33685420536Linearized power amplifier
33695412310Switchable inductor for strong currents
33705408691Radio transmitter apparatus which optimizes load impedance to maximize output transmitter efficiency while preserving minimum battery power output
33715404114Method and apparatus for providing transmitter protection
33725397923Device for remote control using wave energy
33735392463Power amplifier capable of saturation and linear amplification
33745390168Radio frequency transmission circuit

1994

33755371481Tuning techniques for I/Q channel signals in microwave digital transmission systems
33765363407Transmitter optimization for spectrally congested radio communication systems
33775361403AM-FM transmitter power amplifier
33785343162RF variable gain tuned output amplifier which maintains high Q in saturation
33795337006Output level control circuit for use in RF transmitter
33805335369Automatic power control circuit for use with a radio telecommunication apparatus
33815319716Wireless CD/automobile radio adapter
33825309479Low Cost Ku band transmitter
33835307512Power control circuitry for achieving wide dynamic range in a transmitter
33845301361Low parts count transmitter unit
33855299264System for short-range transmission of signals over the air using a high frequency carrier
33865287555Power control circuitry for a TDMA radio frequency transmitter
33875287387Low splatter peak-to-average signal reduction
33885278997Dynamically biased amplifier
33895278996Portable transceiver having consumption-current stabilizing function
33905276921Transmitter with nonlinearity correction circuit
33915276912Radio frequency power amplifier having variable output power

1993

33925261123AM radio transmitter with a final stage tetrode
33935257415Automatic transmission level control device
33945256919Method for preventing the oscillation of an RF power module
33955251330Linear transmitter
33965241694Circuit for forming low power levels in a transmitter of a radio telephone
33975239696Linear power amplifier utilizing current feedback
33985239695Radio-frequency power control circuit of mobile radiophone
33995239693Amplifier level-setting apparatus
34005239692Radio frequency transmitter capable of sensing abnormal state for use in a wireless security system
34015230093Transmitter filter with integral directional coupler for cellular telephones
34025201070Radio communication apparatus comprising a single level controller
34035199108Short range radio information system
34045196808RF amplifier protector and method
34055184331Transducer circuit for removing reactive component of transducer signal

1992

34065172231S-band video signal transmitter
34075170496Circuit arrangement for matching the resonant frequency of an antenna resonant circuit to the output frequency of a transmitter output stage
34085170495Controlling clipping in a microwave power amplifier
34095152004Procedure for forming low power levels in a radio telephone transmitter
34105134718Fast phase shift adjusting method and device for linear transmitter
34115129098Radio telephone using received signal strength in controlling transmission power
34125124665Circuit for reducing distortion produced by an r.f. power amplifier
34135119072Apparatus for monitoring child activity
34145113525Linear-modulation type radio transmitter
34155101507Radio-frequency power level control circuit of mobile radio telephone
34165081713Radio transmitter capable of compensating for a frequency characteristic of an antenna and/or a coupling circuit

1991

34175070309RF power amplifier having improved amplifier protection
34185060294Dual mode power amplifier for radiotelephone
34195050235Transmitter using gallium arsenide FET with means for controlling gate bias voltage of the FET for suppressing undesired signal at a start condition of the transmitter
34205046132Open field test site reference antenna with integral battery powered signal generator
34215034697Magnetic amplifier switch for automatic tuning of VLF transmitting antenna
34225031230Frequency, phase and modulation control system which is especially useful in simulcast transmission systems
34235023937Transmitter with improved linear amplifier control
34245021753Splatter controlled amplifier
34254989260Transmitter with power reduction to compensate for varying radiated electric field strength when switching between batteries and AC power
34264987606Wide band transmission system with biasing of gain control circuit

1990

34274980898Self-oscillating burst mode transmitter with integral number of periods
34284965607Antenna coupler
34294956837Apparatus for avoiding spectrum spreading when switching a transmitter on and off
34304947455RF power supply for supplying a regulated power amplified unmodulated drive signal to an RF modulator
34314933986Gain/phase compensation for linear amplifier feedback loop
34324912773Communications system utilizing a pilot signal and a modulated signal

1989

34334882767Stabilized transmitter
34344859967RF power amplifier protection
34354819272Intermittently driven transmitter
34364819268Transmitter having means for controlling undesired out-of-band radiation
34374817193AM transmitter having single tuning means for oscllator, carrier isolator and antenna

1988

34384794622Low power transmitter frequency stabilization
34394747161AM-RF transmitter with compensation for power supply variations
34404736454Integrated oscillator and microstrip antenna system
34414736432Electronic siren audio notch filter for transmitters
34424731870Platform transmitter terminal (PTT) for use with an ARGOS type satellite system and utilizing a solar array/rechargeable battery power source
34434731869Target tracking transmitter having two levels of power operation
34444729129VSWR protection circuit apparatus
34454723306Wide-band transmitter for short electromagnetic waves

1987

34464709403Apparatus for controlling output power of transmitter

1986

34474593412Integrated oscillator antenna for low power, low harmonic radiation

1985

34484541121Changeover device for selecting one modulator out of two and connecting it into a transmitter
34494541119Portable broadcast band information transmitting system
34504509202Full-wave rectification of signals generated by radio frequency transmitting circuits

1984

34514459595Condition responsive RF transmitting device
34524453269Apparatus for improving the frequency stability of a transmitter oscillator circuit
34534451832Radio frequency transmitter coupling circuit
34544430757Radioelectric signal trains generator and portable transmitter comprising such a generator

1983

34554412337Power amplifier and envelope correction circuitry
34564401977Radio transmitter for repeated bursts of oscillations
34574395776Transmitter having a phase synchronizing system
34584390794Circuit arrangement for controlling the switch-on of supply voltage
34594380089Battery-powered transmitter including current control circuit
34604373206Transmitter control system
34614370622IMD Limiter

1982

34624366482Transmitter with buzzer
34634344185Low noise high stability FM transmitter
34644344184Wireless microphone
34654344169Method of connecting two short-wave transmitters in parallel
34664335347Power combining or dividing arrangements
34674327444Miniature transmitter and method for making same
34684319222Transmitter apparatus for an information transmission system

1981

34694298841Signal envelope detecting system
34704286238Harmonic filtering device for radio transmitter
34714267599Antenna tuning system
34724247948Automatic modulation control in transmitter

1980

34734242753Radio transmitter time out timer
34744238855Parallel operation of multiple TV transmitters
34754237555Automatic modulation system
34764228539High frequency transmitter
34774225822Amplitude modulation circuit for a transmitter
34784216427Adaptive audio compressor
34794215428Time ratio controlled inverter
34804213103Circuit for detecting and controlling simultaneous conduction of two switches connected in series
34814196392Method and apparatus for monitoring and controlling the anode dissipation of transmitters
34824194154Narrow bandwidth network compensation method and apparatus
34834189676Switching system utilizing flexible circuit with transmission line for matched impedance connections
34844187467Grounded RF power amplifier circuit apparatus
34854186346Amplitude modulated transmitter
34864181889Citizens band transmitter with overall envelope feedback from antenna coupling filter

1979

34874177426Radio control system with pluggable modules for changing system operating frequency
34884176318Radio transmitter display indicator
34894165493Protected amplifier apparatus
34904158813Combined microphone and accessory device
34914156212Combiner system
34924147985Low level modulation system for a radio transmitter
34934137500Frequency dependent amplitude modulated exciter apparatus

1978

34944122400Amplifier protection circuit
34954110699Adaptive audio compressor
34964107612Phase locked loop exciter generator for high frequency transmitter
34974103238Transmitter modulated with three modulation patterns
34984088956Automatic modulation percentage control for amplitude modulated transmitters
34994070627Double tuned input circuit for television transmitter amplifier
35004070626Radio telephone with channel switch
35014066965RF GTWT Saturating circuit

1977

35024059801Apparatus for degrading Q in a high-Q RF pulse transmitting system and the like
35034058769Modulation system with carrier control
35044058742Radio frequency pulse transmitters
35054057805Radio-controlled machine power cut-off
35064048561Apparatus for preventing simultaneous transmission and channel selection in a transmitter or transceiver
35074047110Transmitter coupled active filter
35084041534Automatic distortion correction arrangement
35094041396Environmentally sensitive transmit power maximizing circuitry and method
35104038603Transmitter modulation limiter
35114035727Multichannel radio transmitter with means to prevent abnormal wave radiation
35124034297Circuit for disabling a radio transmitter which is continuously operated longer than a predetermined time
35134028625Sideband analyzer for AM transmitters
35144027276Transmitter for a coded electronic security system
35154025855Multi-channel R.F. transducer with channel selector coupled to selected channel filter
35164019150PA protection circuit for a single sideband radio
35174013959Transmitter control apparatus

1976

35183997843Monocycle pulse generator
35193991370Peak limiter
35203991369Cartridge-type radio-communication device
35213983483Communications device arranged to be worn in intimate contact with the body of a user
35223970939Signal generating and transmitting apparatus
35233964427Survival apparatus
35243956701Personal paging receiver with swivel clip and distributed antenna
35253955144Feedback system for pulse transmitters
35263943446Power and modulation control system
35273942117All saturated switching mode solid state RF amplifier
35283939421Circuit for indicating the battery voltage and operation of a radio transmitter
© 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017