СПИСОК патентов США - подгруппа МПК16 H04Q1/20


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№ п/п Номер патента Название патента

2017

19569940Identification of ports from which cables have been recently removed and that have the same physical form factor using existing visual port indicators
29553620Signal detection and characterization
39553601Conversion of analog signal into multiple time-domain data streams corresponding to different portions of frequency spectrum and recombination of those streams into single-time domain stream
49537606Down-hole intelligent communication system based on the real-time characterisation of the attenuation of signals in a coaxial cable used as a transmission medium
59535150Method for calibrating a cable and respective measuring device

2016

69515852Loss of signal detection on CDR
79503284Receiver, transmitter and a method for digital multiple sub-band processing
89461697In-service monitoring and cancellation of passive intermodulation interferences
99444660Simplified and effective offset calibration circuit for RxLOS in serdes
109397712Systems and methods for transmitter receive band noise calibration for envelope tracking and other wireless systems
119385818Handling of signals transmitted through a human body
129369369Systems and methods for using protocol information to trigger waveform analysis
139341503Cross-path phase calibration for high dynamic range data acquisition
149302115Apparatus and method for quantification of the desynchronization between the clocks of two HBC active implants
159287950Channel quality indicator apparatus and method
169276683Load estimation in wireless communication
179258150Channel estimation filtering
189246530Built-in test system and method
199240848Eye quality monitoring system and method
209240828Transmitting method and transmission system using the same
219237001Method and apparatus to calibrate duty cycle distortion

2015

229214980High-frequency signal processor and wireless communication system
239191244Equalizer and semiconductor device
249191066Systems and methods for loop length and bridged tap length determination of a transmission line
259172429Interference control in a broadband powerline communication system
269160466Periodic calibration for communication channels by drift tracking
279143312Using a single phase error algorithm for coarse and fine signal timing synchronisation
289137588Test connector apparatus for look-both-ways testing
299124723Method and device for data processing in a digital subscriber line environment
309112579Switching VSAT transmitter with smart stand-by mode
319078151Link performance abstraction method and apparatus in a wireless communication system
329065735Measuring upstream modulation error ratio
339065644Full duplex transmission method for high speed backplane system
349036687Predictive network testing
359026054Method and apparatus for detecting radio signal
369020017Signal processing method, device and system
379014643Device to test mobile terminal and testing method thereof
389007467Method for operating an image-processing device and a corresponding image-processing device
399001878Method and apparatus to determine time and distance between transceivers using phase measurements
408995515Dynamically adjusted OFDM channel estimation filtering in OFDM communications
418995512Adaptive off-channel detector for receivers
428995510Apparatus and method for analyzing a signal under test
438989246Method and circuit of clock and data recovery with built in jitter tolerance test
448976850Method and apparatus for sharing channel state information (CSI) in a multiple-user multiple-input multiple-output (MU-MIMO) environment
458964824Systems, methods, and devices for electronic spectrum management
468953668Method and circuit of clock and data recovery with built in jitter tolerance test
478948799Channel quality indicator apparatus and method
488942278Systems and methods for detecting data collisions for a near field communication system
498929426Communication device and orthogonal-error correction method
508929424Periodic calibration for communication channels by drift tracking

2014

518897398Methods and apparatus for error rate estimation
528897350Orthogonal transform error corrector
538897349Determining transmitter impairments using offset local oscillators
548897348Narrowband diagnostics for twisted pair wiring
558891604Coordinated multi-point transmission
568891603Re-sampling S-parameters for serial data link analysis
578891602Analyzing jitter with noise from the measurement environment
588885695Receiver circuit
598885694Changing an operating performance point
608879614Overpower detection device and radio communication device
618879613Dynamic frame selection when requesting tone map parameters in mesh networks
628873610IQ baseband matching calibration technique
638873608Measurement of IQ imbalance in a vector modulator
648867596Methods and apparatuses of calibrating I/Q mismatch in communication circuit
658861579Measuring I/Q impairments from sampled complex signals
668855180Receiver with enhanced DC compensation
678831080Apparatus and method for channel quality feedback with a K-best detector in a wireless network
688824532Method and apparatus to generate wireless test signals
698811463Jitter measuring trigger generator, jitter measuring apparatus using the same, method of generating jitter measuring trigger, and method of measuring jitter
708811462Frame synchronization method and apparatus
718798124Method of measuring error vector magnitude
728787435Narrow band interference determined by second and fourth order norms
738780968Systems, methods, and devices for electronic spectrum management
748780966System and method for testing a data packet signal transceiver
758774259Mechanism for measuring transmitter I/Q impairments using shared local oscillators
768767865Wireless station, an interference estimation method, a wireless communication system and a computer program
778756027Reducing eye monitor data samplers in a receiver
788750359Apparatus for MIMO channel performance prediction
798743936Systems and methods for determining noise components in a signal set
808738053Method and system for finding a threshold for semi-orthogonal user group selection in multiuser MIMO downlink transmission
818724684CQI feedback structure
828718124Noise detection method, noise detection apparatus, simulation method, simulation apparatus, and communication system
838718123Test apparatus and test method
848718122Testing performance of a wireless device
858718121Test device and method of detecting an imbalance in a power level of a channel
868706047Mobile terminal tester and mobile terminal test method
878706046Method and device for transmitter calibration
888705599Apparatus and method for quantification of the desynchronization between the clocks of two HBC active implants
898687681Receiver and signal testing method thereof
908682254Wireless communication system modeling
918682251Apparatus and methods for estimation of a subchannel power imbalance ratio (SCPIR)
928681846Measurement of I/Q impairments from a sampled complex signal
938681843Method and arrangement in a DSL vectoring system
948675721Method and apparatus for determining and displaying the throughput rate of a modem
958675720Noise estimation filter
968665938Wireless transmission apparatus and self-checking method of wireless transmission apparatus
978665936Experiments transmitter training systems and method
988654828Mechanism for the measurement of DC properties of a signal path
998654825Backoff adaptation for digital communication systems with channel quality information
1008640157Automatic detection of a cable trap

2013

1018611406System optimization using soft receiver masking technique
1028605775Measuring Hum in a digital TV signal
1038594166Method and system for the serial transmission of data
1048594165Half-symbol constellation display
1058588702Method, equipment for submitting a measurement report
1068582632Decoding a signal
1078576902Receiving device and method, demodulating device and method, and program
1088571595Method and system for adjusting WLAN radio receiver gain in a wireless device
1098559490Apparatus and method for removing common phase error in a DVB-T/H receiver
1108555145Systems and methods of encoding using a reduced codebook with adaptive resetting
1118548036Noise detection method, noise detection apparatus, simulation method, simulation apparatus, and communication system
1128542722Communication analysis apparatus and communication analysis method
1138525936Communication apparatus, television receiver, video signal processing apparatus, communication method, program, and integrated circuit
1148514921Assessing aircraft interference path loss employing discrete frequency stirring
1158510624Data processing system with concatenated encoding and decoding structure
1168509295Bit error rate prediction
1178509294Signal generator, signal generating system, and signal generating method
1188494037Complex adaptive phase discriminator
1198483262Piezoelectric cable perimeter monitoring system
1208478554Reducing eye monitor data samplers in a receiver
1218458539G-ODLAT on-die logic analyzer trigger with parallel vector finite state machine
1228457186Transceiver system and associated methods and systems
1238446939Channel quality estimation for MLSE MIMO receiver
1248446937Technique for the measurement of I/Q impairments associated with a sampled complex signal
1258442101Tone signal detection apparatus
1268438444Method of associating automatic repeat request with hybrid automatic repeat request
1278437385Measuring the DC properties of a signal path between transmitter and receiver
1288433258Rate-adaptive multiple input/multiple output (MIMO) systems
1298432816VoIP terminal having QoS monitoring function and QoS monitoring method
1308407535Method and apparatus for generating jitter test patterns on a high performance serial bus
1318396688Systems and methods for impulse noise characterization
1328396034Method for determining cell identity in wireless communication system and apparatus therefor
1338392801Decoding device and coding system
1348385401Equalizer and method for performing equalization
1358374230Apparatus and methods for displaying signal characteristics
1368374227Digital signal analysis with evaluation of selected signal bits
1378369792Methodology to analyze sector capacity in data-only mobile-wireless network
1388363708Receiving circuit, method for receiving a signal, and use of a detection circuit and a control circuit
1398355429Jitter reduction device and method
1408355428Data receiving device
1418345736Sampling point detection circuit, transmission system, pre-emphasis intensity adjustment method, logic analyzer, and evaluation method for evaluating transmission path

2012

1428340167Method and apparatus for measuring and correcting receiver parameters
1438340165Method and system for analyzing error probability of communication system using Gaussian Q function
1448340164Evaluation of the feedback quality in communications systems
1458311087Methods and apparatus for monitoring voice quality on a wireless communication device
1468306098Method for error display of orthogonal signals
1478290032Distortion identification apparatus, test system, recording medium and distortion identification method
1488290031Arrangements and methods for providing compensation for non-idealities of components in communications systems
1498280442Radio base station and receiver fault diagnosis method
1508270458Tunable filter for tone detection
1518270393Method for shaping spectrum of output signal, and a remote access device
1528254515Method for measuring phase locked loop bandwidth parameters for high-speed serial links
1538249626GPS based friend location and identification system and method
1548249136Adaptive frequency selective baseband communications method using orthogonal codes
1558228973Communication system, communication method for the same and mobile station and base station used for the same
1568223826Measuring noise power at wireless receivers using pilot symbol information
1578223825Method and computer program for estimating signal quality value, and signal quality estimator, receiver and communication apparatus
1588213490Transceiver system and associated methods and systems
1598204166Clock circuit with clock transfer capability and method
1608189651Measuring Hum in a digital TV signal
1618179953Mobile station apparatus and transmission channel estimation method
1628175539System and method for management of a shared frequency band
1638149905System and method for doppler frequency estimation
1648145797Simultaneous multi-threaded (SMT) processor supporting thread-execution-state-sensitive supervisory commands
1658102905Pulse detection in wireless communications system
1668102904Methods and systems for data rate detection for multi-speed embedded clock serial receivers
1678094706Frequency-based, active monitoring of reliability of a digital system
1688094701Channel estimation for high data rate transmission using multiple control channels
1698090010All digital implementation of clock spectrum spreading (dither) for low power/die area

2011

1708085837Characterizing non-compensable jitter in an electronic signal
1718073042Recursive range controller
1728064507System and method for channel estimation
1738054872Method and apparatus for signal carrier-to-noise power density ratio calculation
1748045605Jitter amplifier circuit, signal generation circuit, semiconductor chip, and test apparatus
1758045604Estimation of log-likelihood using constrained markov-chain monte carlo simulation
1768040942Method and apparatus for determining an outage in communication systems
1778027378Circuits, architectures, apparatuses, systems, algorithms and methods and software for amplitude drop detection
1788023577Systems and methods for efficient channel classification
1797991046Calibrating jitter
1807978756Systems and methods for monitoring impulse noise
1817961778Data-dependent jitter pre-emphasis for high-speed serial link transmitters
1827957459Symbol rate testing method based on signal waveform analysis
1837957458Jitter measurement apparatus, jitter measurement method, test apparatus and electronic device
1847953144Method and system for detecting impulse noise in a broadband communication system
1857949040Reception quality measuring apparatus and reception quality measuring method
1867949039Home network testing
1877933557Methodology to analyze sector capacity in data-only mobile-wireless network
1887933321Measuring system with a reference signal between a signal generator and a signal analyzer
1897903726Signal receiving apparatus and signal power prediction method thereof
1907894512System and method for automatic recovery and covariance adjustment in linear filters
1917873323Method of estimating inter-modulation distortion

2010

1927859420Devices for testing the operability of electronic circuitry
1937856050Receiver and transmitter calibration to compensate for frequency dependent I/Q imbalance
1947843991Methods and apparatus for monitoring voice quality on a wireless communication device
1957835432Measuring noise power at wireless receivers using pilot symbol information
1967831229FM receiver with digitally controlled antenna tuning circuitry
1977826551Input and output driver circuits for differential signal transfer, and differential signal transfer apparatus and methods
1987804889Channel estimation method and apparatus using linear interpolation scheme in orthogonal frequency division multiplexing system and receiver using the same
1997801206Encoded serial data bit error detector
2007783316Public safety communications network using asymmetric receive/transmit channels
2017782932Circuit and method for evaluating the performance of an adaptive decision feedback equalizer-based serializer deserializer and serdes incorporating the same
2027778318OFDM gain compression measurement
2037778317Method and device for detecting inductive elements in a communication line
2047773667Pseudo asynchronous serializer deserializer (SERDES) testing
2057764730Low bias estimation of small signal-to-noise ratio
2067756198System and method for assigning channels in a wireless network
2077756197Built in self test (BIST) for high-speed serial transceivers
2087746922Apparatus and method for frequency calibration between two radios
2097742519Method for rate matching in data transmission
2107738386Method to ensure that life-critical data is transported effectively and safely
2117724811Delay circuit, jitter injection circuit, and test apparatus
2127724650Multi-station physical layer communication over TP cable
2137702009Timing analysis apparatus and method of timing analysis
2147693213Method and apparatus for determining power required for data transmission in communication systems
2157675967Training-while-working data communications
2167668235Jitter measurement algorithm using locally in-order strobes
2177646805Digital broadcasting receiving terminal with reception quality indicator

2009

2187627790Apparatus for jitter testing an IC
2197620857Controllable delay device
2207590172Low bias estimation of small signal-to-noise ratio
2217590170Method and apparatus for measuring jitter
2227577190Method for prediction of a channel coefficient
2237573937Phase rotator control test scheme
2247567613Test method and apparatus for in-house wiring problems
2257555039Simultaneous display of eye diagram and jitter profile during device characterization
2267542507Decision feedback equalization input buffer
2277519111Apparatus and method for providing system and test clock signals to an integrated circuit on a single pin
2287515877Communicating signals according to a quality indicator and a time boundary indicator
2297508868Systems and methods for testing the performance of and simulating a wireless communication device
2307505533Clock data recovery circuit with phase decision circuit
2317502410Method and system for controlling a notching mechanism
2327499406Method and apparatus for estimating and reporting the quality of a wireless communication channel
2337486725Bit error rate tester and pseudo random bit sequences generator thereof
2347486724Codec compensation techniques for channel analysis applications
2357477685Method and systems for analyzing the quality of high-speed signals

2008

2367466748Electronic measuring device for detecting a process variable, in particular a radar or ultrasonic filling level measuring device, and a method for operating a measuring device of this type
2377463676On-line phase noise measurement for layered modulation
2387460591Method and apparatus using re-sampled tie records to characterize jitter in a digital signal
2397453933Method of estimating a signal-to-interference+noise ratio (SINR) using data samples
2407450633Wander generator, and digital line tester and phase noise transfer characteristic analyzer using the same
2417430237Decoderless bit-error-rate estimation for convolutionally encoded transmissions in wireless systems
2427428264Transmission power control method for a wireless communication system
2437418032Altering power consumption in communication links based on measured noise
2447418031Automatic baud rate determination
2457400673Method of determining and displaying powers of code channels and analysis device
2467379493Signal analyzer for detecting distortions in signals
2477376178Low bias estimation of small signal-to-noise ratio
2487366233Assembly for measurement demodulation and modulation error detection of a digitally modulated receive signal
2497362800Auto-configured equalizer
2507362799Method and apparatus for communication signal resolution
2517359757Remote control method and apparatus, remote controller, and apparatus and system based on such remote control
2527352804Frequency estimation method and system
2537350060Method and apparatus for sending thread-execution-state-sensitive supervisory commands to a simultaneous multi-threaded (SMT) processor
2547339986Method of monitoring the quality of a communications channel
2557324588Apparatus, and associated method, for testing a mobile terminal in test conditions that emulate an operating environment
2567315574System and method for generating a jittered test signal
2577315573Channel monitoring for improved parameter selection in a communication system

2007

2587313179Minimizing windowing effects in particular for signal recovery
2597313167Signal-to-noise ratio estimation of CDMA signals
2607308620Method to obtain the worst case transmit data and jitter pattern that minimizes the receiver's data eye for arbitrary channel model
2617302024Method of and apparatus for detecting impulsive noise, method of operating a demodulator, demodulator and radio receiver
2627289555Method and system for signal processing using vector output from scalar data
2637260145Method and systems for analyzing the quality of high-speed signals
2647254169Method and apparatus for determining a loss of signal condition
2657254168Method for decomposing timing jitter on arbitrary serial data sequences
2667248982Finding data dependent jitter with a DDJ calculator configured by regression
2677221704All digital implementation of clock spectrum spreading (dither) for low power/die area
2687218670Method of measuring the performance of a transceiver in a programmable logic device
2697215702Signal level detection apparatus and detection method, and signal level indication apparatus
2707206340Characterizing jitter of repetitive patterns
2717206339Wonder generator, digital line tester comprising the same, and phase noise transfer characteristic analyzer
2727190741Real-time signal-to-noise ratio (SNR) estimation for BPSK and QPSK modulation using the active communications channel
2737184469Systems and methods for injection of test jitter in data bit-streams
2747180937Method for determining imbalance in a vector signal modulator
2757167502Zero-overhead symbol rate adaptation system for OVSF code
2767164999Data-dependent jitter (DDJ) calibration methodology
2777164734Decision directed phase locked loops (DD-PLL) with excess processing power in digital communication systems
2787158564Device for generating a digitally modulated test signal

2006

2797142593Method of and system for interference measurement
2807123888Variable communication system
2817116708Controlling the rate of data transfer over a wireless link
2827110446Method and apparatus for reducing effect of jitter
2837103325Adaptive modulation and coding
2847095781Polyphase filter with stack shift capability
2857082159Methods and arrangements in a telecommunications system
2867062164Detection of data transmission rates using passing frequency-selective filtering
2877054399Low overhead synchronized activation of functional modules
2887035324Phase-noise measurement with compensation for phase noise contributed by spectrum analyzer
2897031381Method and apparatus for reducing transmission errors caused by periodic transients in digital subscriber line (DSL) communication systems
2907023911Method and apparatus for altering a round trip delay measurement in a telecommunication system to accurately position an echo canceller
2917016403Apparatus and method for determining the quality of a digital signal
2927012955Method and apparatus for direct sequence spread spectrum receiver using an adaptive channel estimator
2937006561Apparatus and method for detecting baudrate in a universal asynchronous receiver/transmitter
294699014350% duty-cycle clock generator
2956990142Process and device for estimating the impulse response of an information transmission channel, in particular for a cellular mobile telephone

2005

2966959260System and method for device co-location discrimination
2976934327Acquisition of a continuous-phase modulation waveform
2986922438System for MPSK symbol hypothesis testing

2004

2996798831Testing system
3006711702Method for dealing with peripheral units reported as defective in a communications system

2003

3016654411Method and system for estimating error rate of a communication channel over a wide dynamic range

2002

3026456675Diversity reception employing periodic testing
3036389109Fault conditions affecting high speed data services
3046385297Method and apparatus for qualifying loops for data services
3056363111Control loop for adaptive multilevel detection of a data signal

2000

3066038253Data receiver with symbol rate discrimination and statistical analysis functions
3076014369Method and apparatus for testing subscribers accommodated to service node in loop system

1995

3085448632Call monitoring system for intelligent call processing
3095414695Method for monitoring existing telephone connections, particularly permanently switched telephone connections

1986

3104596983Module for printed assemblies in a telecommunication system an apparatus for automatically putting the means on printed board assemblies newly inserted into the module into operation

1985

3114523061Switching assembly for telephone cables

1979

3124169221Method and apparatus for testing a subscriber line group marker of a telephone central office cross bar switching device
© 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017