СПИСОК патентов США - подгруппа МПК16 H04K1/02
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| № п/п | Номер патента | Название патента | |||||||||||||||||||||
2017 | |||||||||||||||||||||||
| 1 | 9602184 | Wireless communication device, control method of wireless communication device and phase shifter | |||||||||||||||||||||
| 2 | 9596120 | Signal transmission apparatus, distortion compensation apparatus, and signal transmission method | |||||||||||||||||||||
| 3 | 9596049 | Secure open-air communication system utilizing multi-channel decoyed transmission | |||||||||||||||||||||
| 4 | 9590711 | Managing beamformed signals to optimize transmission rates of sensor arrays | |||||||||||||||||||||
| 5 | 9590708 | Method and apparatus for equal energy codebooks for antenna arrays with mutual coupling | |||||||||||||||||||||
| 6 | 9590706 | Method and apparatus for equal energy codebooks for antenna arrays with mutual coupling | |||||||||||||||||||||
| 7 | 9590665 | Apparatus and method for removing noise of power amplifier in mobile communication system | |||||||||||||||||||||
| 8 | 9590663 | Radio apparatus | |||||||||||||||||||||
| 9 | 9590567 | Moving mean and magnitude dual path digital predistortion | |||||||||||||||||||||
| 10 | 9584167 | Wireless communication system, distortion compensation device, and distortion compensation method | |||||||||||||||||||||
| 11 | 9577588 | Systems and methods for signal predistortion | |||||||||||||||||||||
| 12 | 9564935 | Linear composite transmitter utilizing composite power amplification | |||||||||||||||||||||
| 13 | 9553742 | Method and apparatus for independent rise and fall waveform shaping | |||||||||||||||||||||
| 14 | 9553618 | Signal cancellation method and device for wireless communication system | |||||||||||||||||||||
| 15 | 9548788 | Frequency conversion system with improved spurious response and frequency agility | |||||||||||||||||||||
| 16 | 9548703 | Distortion compensation apparatus, transmission apparatus, and distortion compensation method | |||||||||||||||||||||
| 17 | 9544171 | Zero insertion for ISI free OFDM reception | |||||||||||||||||||||
| 18 | 9544092 | Apparatus for improved communication and associated methods | |||||||||||||||||||||
2016 | |||||||||||||||||||||||
| 19 | 9525383 | Apparatus and methods for a capacitive digital-to-analog converter based power amplifier | |||||||||||||||||||||
| 20 | 9521027 | Method for generating symbols for the automatic gain control of a signal to be transmitted | |||||||||||||||||||||
| 21 | 9515861 | Peak suppression apparatus | |||||||||||||||||||||
| 22 | 9503167 | Apparatus for transmitting broadcast signals, apparatus for receiving broadcast signals, method for transmitting broadcast signals and method for receiving broadcast signals | |||||||||||||||||||||
| 23 | 9497058 | High efficiency adaptive RF transmitter | |||||||||||||||||||||
| 24 | 9496981 | System and method of masking electromagnetic interference (EMI) emissions of a circuit | |||||||||||||||||||||
| 25 | 9490972 | Method and apparatus for providing conditional access based on channel characteristics | |||||||||||||||||||||
| 26 | 9479374 | Digital front-end channelization device | |||||||||||||||||||||
| 27 | 9473334 | Wireless transmission device | |||||||||||||||||||||
| 28 | 9473205 | Coaxial data communication with reduced EMI | |||||||||||||||||||||
| 29 | 9467284 | Transmitter, receiver, quantum key distribution (QKD) system and quantum key distribution method | |||||||||||||||||||||
| 30 | 9461677 | Local phase correction | |||||||||||||||||||||
| 31 | 9455752 | Apparatus and method for adaptive common mode noise decomposition and tuning | |||||||||||||||||||||
| 32 | 9450544 | Pre-distortion method, associated apparatus and non-transitory machine readable medium | |||||||||||||||||||||
| 33 | 9444672 | Data modulation | |||||||||||||||||||||
| 34 | 9444665 | Signal processing system and signal processing method cooperating with variable gain amplifier | |||||||||||||||||||||
| 35 | 9444499 | Wireless device and wireless access system | |||||||||||||||||||||
| 36 | 9438357 | Calibration device, signal processing device, and user interface for the same | |||||||||||||||||||||
| 37 | 9438320 | Iterative nonlinear precoding and feedback for multi-user multiple-input multiple-output (MU-MIMO) with channel state information (CSI) impairments | |||||||||||||||||||||
| 38 | 9438281 | Distortion-compensation device and distortion-compensation method | |||||||||||||||||||||
| 39 | 9438187 | Amplifying device, transmitting device | |||||||||||||||||||||
| 40 | 9438178 | Mixer impairment correction based on volterra series | |||||||||||||||||||||
| 41 | 9437210 | Audio signal processing | |||||||||||||||||||||
| 42 | 9425836 | Asymmetrical transmitter-receiver system for short range communications | |||||||||||||||||||||
| 43 | 9413419 | Phase-optimized constant envelope transmission (POCET) method, apparatus and system | |||||||||||||||||||||
| 44 | 9401828 | Methods and systems for low-power and pin-efficient communications with superposition signaling codes | |||||||||||||||||||||
| 45 | 9400928 | Method of compensating for signal degradation in transmission systems | |||||||||||||||||||||
| 46 | 9391649 | Envelope shaping in envelope tracking power amplification | |||||||||||||||||||||
| 47 | 9385797 | Flexible, reconfigurable multipoint-to-multipoint digital radio frequency transport architecture | |||||||||||||||||||||
| 48 | 9385764 | Digital pre-distortion for high bandwidth signals | |||||||||||||||||||||
| 49 | 9374141 | Signal generation method, transmission device, reception method, and reception device | |||||||||||||||||||||
| 50 | 9369325 | Apparatus for transmitting broadcast signals, apparatus for receiving broadcast signals, method for transmitting broadcast signals and method for receiving broadcast signals | |||||||||||||||||||||
| 51 | 9363112 | Systems and methods for equalization in radio frequency signal paths | |||||||||||||||||||||
| 52 | 9362996 | Pre-coding method and transmitter | |||||||||||||||||||||
| 53 | 9362866 | Envelope path pre-distortion for wideband transmitter systems | |||||||||||||||||||||
| 54 | 9337886 | Digital pre-distortion with shared observation path receiver | |||||||||||||||||||||
| 55 | 9331722 | Feedback calibration of digital to time converter | |||||||||||||||||||||
| 56 | 9313078 | Pulse cancellation crest factor reduction with a low sampling rate | |||||||||||||||||||||
| 57 | 9313063 | Apparatus and method for transmitting data with conditional zero padding | |||||||||||||||||||||
| 58 | 9306731 | Signal processing apparatus | |||||||||||||||||||||
| 59 | 9300517 | Method and apparatus for transmitting/receiving signal in communication system | |||||||||||||||||||||
| 60 | 9300504 | Mobile device transmitter and methods for transmitting signals in different signal dimensions for 3GPP LTE | |||||||||||||||||||||
| 61 | 9300462 | Methods, devices, and algorithms for the linearization of nonlinear time variant systems and the synchronization of a plurality of such systems | |||||||||||||||||||||
| 62 | 9300375 | Method and device for efficient feedback in wireless communication system supporting multiple antennas | |||||||||||||||||||||
| 63 | 9294941 | Phase transformation of repeated signals | |||||||||||||||||||||
| 64 | 9294329 | Emphasized signal point arrangement operation for compensating DC imbalance | |||||||||||||||||||||
| 65 | 9292255 | Multi-stage crest factor reduction (CFR) for multi-channel multi-standard radio | |||||||||||||||||||||
| 66 | 9288099 | Predistortion circuit and method for predistorting a signal | |||||||||||||||||||||
| 67 | 9281879 | Methods and apparatus for individually controlling power spectral density (PSD) per transmission port in MIMO transmitters | |||||||||||||||||||||
| 68 | 9281788 | All digital zero-voltage switching | |||||||||||||||||||||
| 69 | 9276784 | Frequency selective predistortion | |||||||||||||||||||||
| 70 | 9276619 | Dynamic configuration of modulation and demodulation | |||||||||||||||||||||
| 71 | 9276617 | Radio frequency domain digital pre-distortion | |||||||||||||||||||||
| 72 | 9276605 | Compression and de-compression of complex valued OFDM data for a radio base station | |||||||||||||||||||||
| 73 | 9276528 | Transmitter system with reconfigurable amplifiers | |||||||||||||||||||||
| 74 | 9264911 | Apparatus and method for controlling power based on energy efficiency in multiple-input and multiple-output (MIMO) communication system | |||||||||||||||||||||
| 75 | 9264279 | Transmitter, receiver, and method for receiving and transmitting a radio frequency signal | |||||||||||||||||||||
| 76 | 9263881 | Digital amplitude modulation apparatus and control method of digital amplitude modulation apparatus | |||||||||||||||||||||
| 77 | 9258156 | Baseband envelope predistorter | |||||||||||||||||||||
| 78 | 9258081 | High dynamic range AMAM predistortion | |||||||||||||||||||||
| 79 | 9252821 | Adaptive high-order nonlinear function approximation using time-domain volterra series to provide flexible high performance digital pre-distortion | |||||||||||||||||||||
| 80 | 9251110 | Modifying the spectral energy content of a data bus | |||||||||||||||||||||
| 81 | 9240757 | Transmission apparatus and transmission method | |||||||||||||||||||||
| 82 | 9236976 | Multi stage code generator and decoder for communication systems | |||||||||||||||||||||
| 83 | 9231530 | System for calibrating power amplifier | |||||||||||||||||||||
2015 | |||||||||||||||||||||||
| 84 | 9225363 | Digital pre-distortion transmitter and method for controlling the same | |||||||||||||||||||||
| 85 | 9219632 | Highly-spectrally-efficient transmission using orthogonal frequency division multiplexing | |||||||||||||||||||||
| 86 | 9209753 | Predistortion correction method, predistortion correction apparatus, transmitter, and base station | |||||||||||||||||||||
| 87 | 9203608 | System for encrypting data with an error correction code | |||||||||||||||||||||
| 88 | 9203450 | System and method for pre distortion and iterative compensation for nonlinear distortion in system employing FTN symbol transmission rates | |||||||||||||||||||||
| 89 | 9203448 | Wireless communication apparatus | |||||||||||||||||||||
| 90 | 9197282 | Phase-optimized constant envelope transmission (POCET) method, apparatus and system | |||||||||||||||||||||
| 91 | 9191093 | Interference management for concurrent transmission in downlink wireless communications | |||||||||||||||||||||
| 92 | 9191041 | Digital predistortion of wideband power amplifiers with reduced observation bandwidth | |||||||||||||||||||||
| 93 | 9190974 | Method and a device for controlling the level of a pulsed high-frequency signal | |||||||||||||||||||||
| 94 | 9185708 | Method and apparatus for mapping of absolute power grant values in wireless communications | |||||||||||||||||||||
| 95 | 9172574 | Dynamic-range reduction of complex-valued baseband signals | |||||||||||||||||||||
| 96 | 9172498 | Controlled noise injection in transmitter for noise margin testing | |||||||||||||||||||||
| 97 | 9166729 | Enhanced demodulation reference signal (DM-RS) design | |||||||||||||||||||||
| 98 | 9148312 | Digital feed forward noise cancelling regulator | |||||||||||||||||||||
| 99 | 9136887 | Subtracting linear impairments for non-linear impairment digital pre-distortion error signal | |||||||||||||||||||||
| 100 | 9131454 | Compensating power spectral density for power levels | |||||||||||||||||||||
| 101 | 9130610 | Transmission apparatus and transmission method | |||||||||||||||||||||
| 102 | 9129200 | Protection system for radio frequency communications | |||||||||||||||||||||
| 103 | 9124386 | System, device, and method for securing voice authentication and end-to-end speech interaction | |||||||||||||||||||||
| 104 | 9124324 | Dual loop digital predistortion for power amplifiers | |||||||||||||||||||||
| 105 | 9118371 | Digital transmitter and method for compensating mismatch in digital transmitter | |||||||||||||||||||||
| 106 | 9118285 | Compensation of a transmitter distortion | |||||||||||||||||||||
| 107 | 9117436 | Sound processing apparatus and sound processing method | |||||||||||||||||||||
| 108 | 9117270 | Pre-processed information embedding system | |||||||||||||||||||||
| 109 | 9112761 | System and method for routing and up-converting narrowband channels | |||||||||||||||||||||
| 110 | 9100821 | Anti-eavesdropping communication system and method | |||||||||||||||||||||
| 111 | 9094269 | Peak to average power ratio suppression | |||||||||||||||||||||
| 112 | 9094085 | Control of MISO node | |||||||||||||||||||||
| 113 | 9088319 | RF transmitter architecture, integrated circuit device, wireless communication unit and method therefor | |||||||||||||||||||||
| 114 | 9088316 | Transmission filter calculator, communication device and methods | |||||||||||||||||||||
| 115 | 9077410 | Apparatus and method of transmitting data in multi-carrier system | |||||||||||||||||||||
| 116 | 9077409 | Signal processing system and signal processing method | |||||||||||||||||||||
| 117 | 9077298 | Sampling circuit, communication device, distortion correction circuit, signal sampling method, and program | |||||||||||||||||||||
| 118 | 9071487 | Power amplification system, device and method | |||||||||||||||||||||
| 119 | 9071293 | Transmitter data path single-ended duty cycle correction for EMI reduction | |||||||||||||||||||||
| 120 | 9065396 | Apparatus for compensating for distortion of transmitter array in radio communication system and method for controlling the same | |||||||||||||||||||||
| 121 | 9054937 | Envelope extraction with reduced bandwidth for power modulation | |||||||||||||||||||||
| 122 | 9054908 | RFI mitigation using burst timing | |||||||||||||||||||||
| 123 | 9054791 | Methods and apparatus for partial interference reduction within wireless networks | |||||||||||||||||||||
| 124 | 9054759 | VSWR measurement circuit, radio communication apparatus, VSWR measurement method, and recording medium having VSWR measurement program stored thereon | |||||||||||||||||||||
| 125 | 9048795 | Method for implementing compensation filter and apparatus for signal bandwidth compensation | |||||||||||||||||||||
| 126 | 9042483 | Apparatus and method of compensating for I/Q imbalance in direct up-conversion system | |||||||||||||||||||||
| 127 | 9042482 | FBR DC vector offset removal using LO phase switching | |||||||||||||||||||||
| 128 | 9036736 | Method and apparatus for controlling update of digital pre-distortion coefficient | |||||||||||||||||||||
| 129 | 9031599 | System and method for power control | |||||||||||||||||||||
| 130 | 9031157 | PAPR reduction using clipping function depending on the peak value and the peak width | |||||||||||||||||||||
| 131 | 9025698 | Method and device for acquiring multi-frequency band digital predistortion output signals | |||||||||||||||||||||
| 132 | 9020067 | Distortion and aliasing reduction for digital to analog conversion | |||||||||||||||||||||
| 133 | 9020065 | Radio frequency digital filter group delay mismatch reduction | |||||||||||||||||||||
| 134 | 9014299 | Digital pre-distortion system for radio frequency transmitters with reduced sampling rate in observation loop | |||||||||||||||||||||
| 135 | 9008223 | Transmitter and method for reducing the peak-to-average power ratio of a digitally modulated communication signal | |||||||||||||||||||||
| 136 | 9008220 | Frequency reuse in wireless point-to-point communication systems | |||||||||||||||||||||
| 137 | 9002487 | System and method for data reception and transmission in audible frequency band | |||||||||||||||||||||
| 138 | 9001928 | Transmitter first/second digital predistortion and first/second adaption circuitry with feedback | |||||||||||||||||||||
| 139 | 8995572 | Digital Predistortion for nonlinear RF power amplifiers | |||||||||||||||||||||
| 140 | 8995570 | Methods and systems for beam steering crest factor reduction (CFR) clip noise | |||||||||||||||||||||
| 141 | 8995568 | Phase transformation of repeated signals | |||||||||||||||||||||
| 142 | 8995567 | Method and system for power supply adjustment and polar modulation in a MIMO system | |||||||||||||||||||||
| 143 | 8989885 | Watermark generator, watermark decoder, method for providing a watermark signal in dependence on binary message data, method for providing binary message data in dependence on a watermarked signal and computer program using a two-dimensional bit spreading | |||||||||||||||||||||
| 144 | 8989307 | Power amplifier system including a composite digital predistorter | |||||||||||||||||||||
| 145 | 8989306 | Low-noise regulation of battery power | |||||||||||||||||||||
| 146 | 8982991 | Digital pre-distortion method and apparatus thereof for changing memory degree depending on input level | |||||||||||||||||||||
| 147 | 8976898 | Low-distortion class S power amplifier with constant-impedance bandpass filter | |||||||||||||||||||||
| 148 | 8976897 | Suppression of spurious harmonics generated in TX driver amplifiers | |||||||||||||||||||||
| 149 | 8976895 | Method for calibrating a linearizer and linearized electronic component | |||||||||||||||||||||
| 150 | 8976893 | Predistortion according to an artificial neural network (ANN)-based model | |||||||||||||||||||||
| 151 | 8976892 | Beamforming method and apparatus using a rate splitting scheme in a multi-cell multi-antenna interference channel | |||||||||||||||||||||
| 152 | 8971447 | Variable delay of data signals | |||||||||||||||||||||
| 153 | 8971446 | Predistortion factor determination for predistortion in power amplifiers | |||||||||||||||||||||
| 154 | 8971445 | Method and apparatus for equalizing a transmit channel for cable losses in a C8PSK HART system | |||||||||||||||||||||
| 155 | 8971444 | Generalized frequency modulation | |||||||||||||||||||||
| 156 | 8965547 | Watermark signal provision and watermark embedding | |||||||||||||||||||||
| 157 | 8964894 | Circuit arrangement for compensating an attenuation occurring in an antenna signal connection between a mobile terminal and an antenna and compensation method for this purpose | |||||||||||||||||||||
| 158 | 8964893 | Predistortion apparatus for power amplifier | |||||||||||||||||||||
| 159 | 8964892 | Apparatus and method for operating a transmitter | |||||||||||||||||||||
| 160 | 8964890 | Adaptive spectral enhancement and harmonic separation | |||||||||||||||||||||
| 161 | 8964888 | System and method of generating a pre-emphasis pulse | |||||||||||||||||||||
| 162 | 8964716 | Estimating signal characteristics | |||||||||||||||||||||
| 163 | 8957729 | Memory structure having taps and non-unitary delays between taps | |||||||||||||||||||||
| 164 | 8953800 | Method for transporting low-bit rate information | |||||||||||||||||||||
| 165 | 8953707 | Differential codebook for temporally-correlated MISO dual-polarization antenna | |||||||||||||||||||||
| 166 | 8948687 | System and method for determining and controlling gain margin in an RF repeater | |||||||||||||||||||||
| 167 | 8948303 | Communication device and method of crest factor reduction using amplitude compression | |||||||||||||||||||||
| 168 | 8948298 | MIMO system and method of generating hierarchical codebook therefor | |||||||||||||||||||||
| 169 | 8942314 | Transmit (TX) interference canceller and power detector | |||||||||||||||||||||
| 170 | 8942313 | Group delay calibration method for power amplifier envelope tracking | |||||||||||||||||||||
| 171 | 8942311 | Low bandwidth PHY transmission in a wider bandwidth | |||||||||||||||||||||
| 172 | 8939834 | Software verification and authentication | |||||||||||||||||||||
| 173 | 8938025 | Correction of I/Q impairments in transmitters and receivers | |||||||||||||||||||||
| 174 | 8934572 | Phase rotation for preambles within multiple user, multiple access, and/or MIMO wireless communications | |||||||||||||||||||||
| 175 | 8929485 | System and method for broadcast pre-coding in a MIMO system | |||||||||||||||||||||
2014 | |||||||||||||||||||||||
| 176 | 8923512 | Circumvention of dynamic, robust, embedded-signal detection | |||||||||||||||||||||
| 177 | 8923434 | Method and apparatus for modifying a complex-valued signal, and mobile communication device | |||||||||||||||||||||
| 178 | 8913689 | Wide bandwidth digital predistortion system with reduced sampling rate | |||||||||||||||||||||
| 179 | 8913688 | Pre-distortion for a phase interpolator with nonlinearity | |||||||||||||||||||||
| 180 | 8908796 | Orthogonal frequency division multiplexing (OFDM) transmitter and receiver windowing for adjacent channel interference (ACI) suppression and rejection | |||||||||||||||||||||
| 181 | 8903014 | Communications device having controller to correct an initial IQ imbalance and associated methods | |||||||||||||||||||||
| 182 | 8897391 | Distortion compensator and distortion compensation method | |||||||||||||||||||||
| 183 | 8891676 | Antenna device and method in a MIMO system | |||||||||||||||||||||
| 184 | 8891675 | Power-indexed look-up table design of digital pre-distortion for power amplifiers with dynamic nonlinearities | |||||||||||||||||||||
| 185 | 8891674 | Digital transmission system for transmitting additional data and method thereof | |||||||||||||||||||||
| 186 | 8891673 | System and method for a multichannel transmitter and receiver | |||||||||||||||||||||
| 187 | 8891672 | Method and apparatus for maximizing power output based on linearity of a transmitter | |||||||||||||||||||||
| 188 | 8891671 | Method, apparatus and system for calibrating channel | |||||||||||||||||||||
| 189 | 8891670 | CATV transmission system using analog small form factor pluggable modules | |||||||||||||||||||||
| 190 | 8891668 | System and method for estimating and correcting phase shift in a wireless communication device | |||||||||||||||||||||
| 191 | 8885765 | Method and a user terminal for processing digital predistortion | |||||||||||||||||||||
| 192 | 8885763 | Digital pre-distortion | |||||||||||||||||||||
| 193 | 8885690 | Power control techniques for wireless transmitters | |||||||||||||||||||||
| 194 | 8879665 | Controlling a power amplifier based on transmitter output emissions | |||||||||||||||||||||
| 195 | 8873676 | Transmitter gain control and calibration | |||||||||||||||||||||
| 196 | 8866549 | Method of power amplifier calibration | |||||||||||||||||||||
| 197 | 8861640 | Transmission method taking echo into account | |||||||||||||||||||||
| 198 | 8855234 | Method and system for baseband predistortion linearization in multi-channel wideband communications systems | |||||||||||||||||||||
| 199 | 8855231 | Methods and apparatus for signal conditioning for polar transmitters | |||||||||||||||||||||
| 200 | 8848828 | Distortion compensation circuit, transmitting apparatus and distortion compensating method | |||||||||||||||||||||
| 201 | 8848825 | Echo cancellation in wireless inband signaling modem | |||||||||||||||||||||
| 202 | 8848824 | High efficiency RF system linearizer using controlled complex nonlinear distortion generators | |||||||||||||||||||||
| 203 | 8843088 | Minimum feedback radio architecture with digitally configurable adaptive linearization | |||||||||||||||||||||
| 204 | 8842773 | Method and apparatus for using factorized precoding | |||||||||||||||||||||
| 205 | 8842772 | Pre-coding method and transmitter | |||||||||||||||||||||
| 206 | 8842771 | Amplitude flatness and phase linearity calibration for RF sources | |||||||||||||||||||||
| 207 | 8837633 | Systems and methods for digital processing based on active signal channels of a communication system | |||||||||||||||||||||
| 208 | 8831136 | Wireless apparatus and distortion compensating method | |||||||||||||||||||||
| 209 | 8824594 | Digital frequency modulation aided AMPM predistortion digital transmitter | |||||||||||||||||||||
| 210 | 8824593 | Wireless communication device capable of pre-compensating for oscillator phase noise | |||||||||||||||||||||
| 211 | 8824574 | Transmitting unit that reduces PAPR and method therefor | |||||||||||||||||||||
| 212 | 8812858 | Broadcast stenography of data communications | |||||||||||||||||||||
| 213 | 8811530 | Method and system of beamforming a broadband signal through a multiport network | |||||||||||||||||||||
| 214 | 8804872 | Dynamic determination of volterra kernels for digital pre-distortion | |||||||||||||||||||||
| 215 | 8798268 | System and methods for permitting open access to data objects and for securing data within the data objects | |||||||||||||||||||||
| 216 | 8798198 | Calibration systems for wireless electronic devices | |||||||||||||||||||||
| 217 | 8798197 | Distortion compensation amplifier device and distortion compensation method | |||||||||||||||||||||
| 218 | 8798196 | Peak-to-average power ratio reduction for hybrid FM HD radio transmission | |||||||||||||||||||||
| 219 | 8792583 | Linearization in the presence of phase variations | |||||||||||||||||||||
| 220 | 8792582 | Mobile wireless communications device having auxiliary receiver to determine transmit impairment and generate transmit impairment compensation signal, and associated methods | |||||||||||||||||||||
| 221 | 8792572 | Universal peak power reduction in communication radios | |||||||||||||||||||||
| 222 | 8787495 | Signal processing circuit and communication device having the same | |||||||||||||||||||||
| 223 | 8787494 | Modeling digital predistorter | |||||||||||||||||||||
| 224 | 8787492 | Symbol mapping method for repetition channel coding | |||||||||||||||||||||
| 225 | 8781415 | Distortion correction based feedforward control systems and methods for radio frequency power sources | |||||||||||||||||||||
| 226 | 8774406 | Masking addition operation device for prevention of side channel attack | |||||||||||||||||||||
| 227 | 8774315 | Phase-optimized constant envelope transmission (POCET) method, apparatus and system | |||||||||||||||||||||
| 228 | 8774312 | Method and means for the scalable improvement of the quality of a signal encoding method | |||||||||||||||||||||
| 229 | 8774310 | Low overhead MIMO scheme | |||||||||||||||||||||
| 230 | 8767962 | System and methods for permitting open access to data objects and for securing data within the data objects | |||||||||||||||||||||
| 231 | 8767871 | Antenna tuning using the ratio of complex forward and reflected signals | |||||||||||||||||||||
| 232 | 8767870 | Dynamic variable inter-symbol interference (IS) stress impairment system | |||||||||||||||||||||
| 233 | 8767869 | Joint linear and non-linear cancellation of transmit self-jamming interference | |||||||||||||||||||||
| 234 | 8761304 | Apparatus and method for processing digital transmission/reception signals to correct in-band gain flatness | |||||||||||||||||||||
| 235 | 8761303 | Unequal multipath protection of different frames within a superframe using different cyclic prefix lengths | |||||||||||||||||||||
| 236 | 8760261 | Devices employing fast carrier cancellation and methods thereof | |||||||||||||||||||||
| 237 | 8750916 | Transmission power control method, and mobile communication system | |||||||||||||||||||||
| 238 | 8750814 | Transmitter/receiver for wireless communication system | |||||||||||||||||||||
| 239 | 8750499 | Cryptographic method using a non-supersingular elliptic curve E in characteristic 3 | |||||||||||||||||||||
| 240 | 8750414 | Method and system for polar modulation with discontinuous phase | |||||||||||||||||||||
| 241 | 8750413 | Digital modulation with arbitrary input sampling and output modulation frequencies | |||||||||||||||||||||
| 242 | 8750412 | Data processing system and data processing method | |||||||||||||||||||||
| 243 | 8750364 | Interpolation of filter coefficients | |||||||||||||||||||||
| 244 | 8744002 | Peak power suppressing circuit and communication device having the same | |||||||||||||||||||||
| 245 | 8737938 | Signal Transmitter linearization | |||||||||||||||||||||
| 246 | 8737527 | Composite amplifier, transmitter, and composite amplifier control method | |||||||||||||||||||||
| 247 | 8737526 | Predistortion of complex modulated waveform | |||||||||||||||||||||
| 248 | 8737523 | Apparatus and method for predictive over-drive detection | |||||||||||||||||||||
| 249 | 8731105 | Multi-rate filter and filtering method for digital pre-distorters | |||||||||||||||||||||
| 250 | 8724737 | Method and apparatus for mapping of absolute power grant values in wireless communications | |||||||||||||||||||||
| 251 | 8723649 | Antenna for protecting radio frequency communications | |||||||||||||||||||||
| 252 | 8718583 | Method and apparatuses for transmitter to multi-carrier power amplifier configuration | |||||||||||||||||||||
| 253 | 8718188 | Apparatus and methods for envelope tracking | |||||||||||||||||||||
| 254 | 8718181 | Reverse link power control for an OFDMA system | |||||||||||||||||||||
| 255 | 8718180 | Multi-antenna wireless communications method and apparatus with vector perturbation with a reduced lattice | |||||||||||||||||||||
| 256 | 8711976 | Pre-distortion architecture for compensating non-linear effects | |||||||||||||||||||||
| 257 | 8711975 | Tomlinson Harashima precoding with additional receiver processing in a multi-user multiple-input multiple-output wireless transmission system | |||||||||||||||||||||
| 258 | 8711974 | Systems and methods for mitigating spectral regrowth from non-linear systems | |||||||||||||||||||||
| 259 | 8705654 | Measuring phase shift in a radio frequency power amplifier | |||||||||||||||||||||
| 260 | 8699620 | Digital Predistortion for nonlinear RF power amplifiers | |||||||||||||||||||||
| 261 | 8699619 | Dutycycle adjustment to improve efficiency of a digital RF-PA | |||||||||||||||||||||
| 262 | 8687733 | Digital predistortion (DPD) method and system for selecting at least one data sample | |||||||||||||||||||||
| 263 | 8681897 | Dynamic digital communication system control | |||||||||||||||||||||
| 264 | 8676364 | Apparatus and method for synchronizing multichannel extension data with an audio signal and for processing the audio signal | |||||||||||||||||||||
| 265 | 8675769 | Constellation map optimization for highly spectrally efficient communications | |||||||||||||||||||||
| 266 | 8670730 | Power efficient radio frequency transmitter | |||||||||||||||||||||
| 267 | 8670502 | Selective peak power reduction | |||||||||||||||||||||
| 268 | 8670501 | Digital pre-distortion of non-linear systems with reduced bandwidth feedback | |||||||||||||||||||||
| 269 | 8665991 | Communications device with separate I and Q phase power amplification having selective phase and magnitude adjustment and related methods | |||||||||||||||||||||
| 270 | 8660207 | Digital pre-distortion with carrier cancellation | |||||||||||||||||||||
| 271 | 8660206 | Method of generating pulse waveform | |||||||||||||||||||||
| 272 | 8654974 | Apparatus and method to provide secure communication over an insecure communication channel for location information using tracking devices | |||||||||||||||||||||
| 273 | 8654891 | Peak suppressing apparatus, peak suppressing method and wireless communications apparatus | |||||||||||||||||||||
| 274 | 8645695 | System and method for managing security key architecture in multiple security contexts of a network environment | |||||||||||||||||||||
| 275 | 8634946 | Apparatus and method for calculating a fingerprint of an audio signal, apparatus and method for synchronizing and apparatus and method for characterizing a test audio signal | |||||||||||||||||||||
| 276 | 8634494 | Bandpass sampling schemes for observation receiver for use in PA DPD system for concurrent multi-band signals | |||||||||||||||||||||
| 277 | 8626089 | Adaptive predistorter coupled to a nonlinear element | |||||||||||||||||||||
| 278 | 8625714 | Time delay estimation | |||||||||||||||||||||
| 279 | 8625713 | Method for beamforming transmissions from a network element having a plurality of antennas, and the network element | |||||||||||||||||||||
2013 | |||||||||||||||||||||||
| 280 | 8619985 | Table splitting for cryptographic processes | |||||||||||||||||||||
| 281 | 8619906 | Look up table-based sum predistorter for power amplifification with concurrent dual band inputs | |||||||||||||||||||||
| 282 | 8619905 | Predistorter and distortion compensation method | |||||||||||||||||||||
| 283 | 8619904 | Channel-assisted iterative precoder selection | |||||||||||||||||||||
| 284 | 8619903 | Crest factor reduction for a multicarrier-signal with spectrally shaped single-carrier cancelation pulses | |||||||||||||||||||||
| 285 | 8611460 | Wireless communication unit, integrated circuit and method of power control of a power amplifier therefor | |||||||||||||||||||||
| 286 | 8611459 | Transmitter linearized using look-up table with unadaptable data and method therefor | |||||||||||||||||||||
| 287 | 8605819 | Memory effect canceller, transmitter, and memory effect cancelling method | |||||||||||||||||||||
| 288 | 8605818 | Selective peak power reduction | |||||||||||||||||||||
| 289 | 8605817 | Modulation and layer mapping in physical channels | |||||||||||||||||||||
| 290 | 8605816 | Non-contact wireless communication apparatus, method of waveform-shaping envelope curve, and mobile electronic device | |||||||||||||||||||||
| 291 | 8600055 | Method and system using stealth noise modulation | |||||||||||||||||||||
| 292 | 8599962 | Power control using distortion measurement | |||||||||||||||||||||
| 293 | 8599961 | Crest factor reduction method and circuit for a multi-carrier signal | |||||||||||||||||||||
| 294 | 8594231 | Power series digital predistorter and distortion compensation control method therefor | |||||||||||||||||||||
| 295 | 8588426 | Methods and apparatus to secure communications in a mobile network | |||||||||||||||||||||
| 296 | 8588333 | RF transmitter and method of operation | |||||||||||||||||||||
| 297 | 8588332 | Dynamic digital pre-distortion system | |||||||||||||||||||||
| 298 | 8579705 | Software verification and authentication | |||||||||||||||||||||
| 299 | 8577311 | Predistortion of amplifier input signals | |||||||||||||||||||||
| 300 | 8576944 | Signal transmitting apparatus for OFDM system and parameter adjusting method thereof | |||||||||||||||||||||
| 301 | 8576942 | High efficiency transmitter | |||||||||||||||||||||
| 302 | 8576941 | Configurable basis-function generation for nonlinear modeling | |||||||||||||||||||||
| 303 | 8571138 | Fast generalized decision feedback equalizer precoder implementation for multi-user multiple-input multiple-output wireless transmission systems | |||||||||||||||||||||
| 304 | 8571137 | Distortion and aliasing reduction for digital to analog conversion | |||||||||||||||||||||
| 305 | 8571136 | Adaptive symbol transition method for OFDM-based cognitive radio systems | |||||||||||||||||||||
| 306 | 8565342 | Power amplification apparatus, OFDM modulation apparatus, wireless transmission apparatus, and distortion reduction method for power amplification apparatus | |||||||||||||||||||||
| 307 | 8565341 | Power amplifier and semiconductor integrated circuit | |||||||||||||||||||||
| 308 | 8565340 | Method and device for transmission of signals in a GSM system | |||||||||||||||||||||
| 309 | 8559551 | Filter device stopping input of zero-valued sample | |||||||||||||||||||||
| 310 | 8553522 | OFDMA-based radio communication apparatus and learning signal generation method for compensation of non-linear distortion in the radio communication apparatus | |||||||||||||||||||||
| 311 | 8548092 | Method and apparatus for reducing peak to average power ratio using peak windowing | |||||||||||||||||||||
| 312 | 8548091 | Measuring and correcting errors in a transmit chain with an IQ up-converter and IQ down-converter | |||||||||||||||||||||
| 313 | 8542769 | High output power digital TX | |||||||||||||||||||||
| 314 | 8542766 | Time alignment algorithm for transmitters with EER/ET amplifiers and others | |||||||||||||||||||||
| 315 | 8532687 | Methods for geographic optimization of cellular telephone transmit power settings | |||||||||||||||||||||
| 316 | 8532223 | Power amplifying device and power amplifying method | |||||||||||||||||||||
| 317 | 8532222 | Digital broadcasting system and method of processing data | |||||||||||||||||||||
| 318 | 8526535 | Mobile wireless communications device with separate in-phase (I) and quadrature (Q) phase power amplification and power amplifier pre-distortion and IQ balance compensation | |||||||||||||||||||||
| 319 | 8520773 | Power amplifier digital predistortion system for concurrent dual band inputs | |||||||||||||||||||||
| 320 | 8520772 | Communication device and power correction method | |||||||||||||||||||||
| 321 | 8514974 | Method and apparatus for controlling a transmit power | |||||||||||||||||||||
| 322 | 8514019 | Distortion compensation amplifier | |||||||||||||||||||||
| 323 | 8509838 | User 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 | |||||||||||||||||||||
| 324 | 8509707 | Wireless communications device, gaming controller and integrated circuits with millimeter wave transceiver and methods for use therewith | |||||||||||||||||||||
| 325 | 8509348 | Up-converted and amplified transmission signal using log-antilog | |||||||||||||||||||||
| 326 | 8509347 | Method and system for baseband predistortion linearization in multi-channel wideband communication systems | |||||||||||||||||||||
| 327 | 8509346 | Transmitter with reduced power consumption and increased linearity and dynamic range | |||||||||||||||||||||
| 328 | 8509345 | Crest factor reduction with phase optimization | |||||||||||||||||||||
| 329 | 8498363 | Compensating for frequency offsets on a base station | |||||||||||||||||||||
| 330 | 8494086 | Distortion and aliasing reduction for digital to analog conversion | |||||||||||||||||||||
| 331 | 8494085 | Method and system for bandwidth calibration for a phase locked loop (PLL) | |||||||||||||||||||||
| 332 | 8488794 | Method for access control to a scrambled content | |||||||||||||||||||||
| 333 | 8483314 | Wireless apparatus and distortion compensation method used on time division duplex system | |||||||||||||||||||||
| 334 | 8483313 | Transmission suppression | |||||||||||||||||||||
| 335 | 8483310 | Method of and a device for precoding transmit data signals in a wireless MIMO communication system | |||||||||||||||||||||
| 336 | 8477937 | Methods and systems for providing interference based physical-layer encryption | |||||||||||||||||||||
| 337 | 8477871 | Radio station and active antenna array | |||||||||||||||||||||
| 338 | 8467474 | Monitor for spectral degradation of transmitter or receiver | |||||||||||||||||||||
| 339 | 8467473 | Power control techniques for wireless transmitters | |||||||||||||||||||||
| 340 | 8462949 | Method and apparatus for secure display of visual content | |||||||||||||||||||||
| 341 | 8462882 | Measurement of transmitter I/Q impairments using shared local oscillators | |||||||||||||||||||||
| 342 | 8462881 | Method for digitally predistorting a payload signal and radio station incorporating the method | |||||||||||||||||||||
| 343 | 8462880 | System and method for transmitter electromagnetic interference (EMI) reduction | |||||||||||||||||||||
| 344 | 8457249 | Method and apparatus for crest factor reduction in telecommunications systems | |||||||||||||||||||||
| 345 | 8451944 | Tomlinson harashima precoding with additional receiver processing in a multi-user multiple-input multiple-output wireless transmission system | |||||||||||||||||||||
| 346 | 8451942 | Wireless transmission apparatus using cartesian loop | |||||||||||||||||||||
| 347 | 8451941 | Communications device with separate I and Q phase power amplification having selective phase and magnitude adjustment and related methods | |||||||||||||||||||||
| 348 | 8446980 | Distortion compensation circuit and a distortion compensation method | |||||||||||||||||||||
| 349 | 8446979 | Predistortion with integral crest-factor reduction and reduced observation bandwidth | |||||||||||||||||||||
| 350 | 8442150 | Measurement of transmitter impairments using offset local oscillators | |||||||||||||||||||||
| 351 | 8442149 | Method for adapting digital data transmission parameters to measured repetitive noise | |||||||||||||||||||||
| 352 | 8437425 | Distortion compensation device, distortion compensation method and wireless apparatus | |||||||||||||||||||||
| 353 | 8437424 | Robust transmit/feedback alignment | |||||||||||||||||||||
| 354 | 8432997 | Method and system of beamforming a broadband signal through a multiport network | |||||||||||||||||||||
| 355 | 8428181 | Method and apparatus for optimizing transmitter power efficiency | |||||||||||||||||||||
| 356 | 8428178 | Systems and methods for designing a sequence for code modulation of data and channel estimation | |||||||||||||||||||||
| 357 | 8422680 | Method for validating encrypted communications via selection and comparison of source transmitter and destination receiver associated encryption keys | |||||||||||||||||||||
| 358 | 8416882 | Digital amplitude control of vector generator | |||||||||||||||||||||
| 359 | 8416881 | Effective signal interference plus noise ratio estimation for multi-order modulation | |||||||||||||||||||||
| 360 | 8416874 | Method of operating a block transmission based communication apparatus | |||||||||||||||||||||
| 361 | 8412259 | Outer loop transmit power control in wireless communication systems | |||||||||||||||||||||
| 362 | 8411793 | Digital amplitude modulation | |||||||||||||||||||||
| 363 | 8411792 | Digital predistorter for variable supply amplifier | |||||||||||||||||||||
| 364 | 8411791 | Distortion and aliasing reduction for digital to analog conversion | |||||||||||||||||||||
| 365 | 8406459 | Method and apparatus to mark a document using a combination between guilloches and watermarking, method and apparatus to read previous combination | |||||||||||||||||||||
| 366 | 8406425 | Method and apparatus for minimizing co-channel interference | |||||||||||||||||||||
| 367 | 8391405 | Symbol mapping method for repetition channel coding | |||||||||||||||||||||
| 368 | 8385541 | Method of performing elliptic polynomial cryptography with elliptic polynomial hopping | |||||||||||||||||||||
| 369 | 8385466 | Transmitting a signal from a power amplifier | |||||||||||||||||||||
| 370 | 8385464 | Methods and apparatus for reducing average-to-minimum power ratio in communications signals | |||||||||||||||||||||
| 371 | 8380144 | Systems and methods for digital predistortion in a dual band transmitter | |||||||||||||||||||||
| 372 | 8369972 | Methods and apparatus to perform audio watermarking and watermark detection and extraction | |||||||||||||||||||||
| 373 | 8369447 | Predistortion with sectioned basis functions | |||||||||||||||||||||
| 374 | 8363751 | Communication method and communication system | |||||||||||||||||||||
| 375 | 8363750 | Apparatus, method and computer program for error compensation | |||||||||||||||||||||
| 376 | 8355461 | Method and device for the noise shaping of a transmission signal | |||||||||||||||||||||
| 377 | 8351601 | Elliptic polynomial cryptography with secret key embedding | |||||||||||||||||||||
| 378 | 8345795 | System and method of beamforming with reduced feedback | |||||||||||||||||||||
| 379 | 8345794 | Encoded control channel information interleaving | |||||||||||||||||||||
2012 | |||||||||||||||||||||||
| 380 | 8340214 | Method and apparatus for generating predistortion signal | |||||||||||||||||||||
| 381 | 8331558 | Method of cipher block chaining using elliptic curve cryptography | |||||||||||||||||||||
| 382 | 8331487 | Analog signal processor for nonlinear predistortion of radio-frequency signals | |||||||||||||||||||||
| 383 | 8331485 | Spur cancellation in a digital baseband transmit signal using cancelling tones | |||||||||||||||||||||
| 384 | 8325851 | Method for compensating signal distortion in an emitting payload | |||||||||||||||||||||
| 385 | 8325850 | System and method for digital communications with unbalanced codebooks | |||||||||||||||||||||
| 386 | 8315335 | OFDM spectral control | |||||||||||||||||||||
| 387 | 8311149 | Method and apparatus for distorting input signal of digital predistortion (DPD) power amplifier in wireless communication system | |||||||||||||||||||||
| 388 | 8311148 | Transmission signal generating apparatus, method, and program | |||||||||||||||||||||
| 389 | 8306486 | Methods and apparatus for reducing the average-to-minimum power ratio of communications signals in communications transmitters | |||||||||||||||||||||
| 390 | 8306225 | Quantum communication system | |||||||||||||||||||||
| 391 | 8306150 | System and method for estimating a transmit channel response and/or a feedback channel response using frequency shifting | |||||||||||||||||||||
| 392 | 8300824 | System and method for encrypting data using a cipher text in a communications environment | |||||||||||||||||||||
| 393 | 8300820 | Method of embedding a digital watermark in a useful signal | |||||||||||||||||||||
| 394 | 8300727 | Method and apparatus for selecting pre-coding vectors | |||||||||||||||||||||
| 395 | 8300726 | Interpolation method and apparatus for increasing efficiency of crosstalk estimation | |||||||||||||||||||||
| 396 | 8295395 | Methods and apparatus for partial interference reduction within wireless networks | |||||||||||||||||||||
| 397 | 8295394 | Error signal formation for linearization | |||||||||||||||||||||
| 398 | 8295393 | Device and method for transmitting/receiving pulse signal | |||||||||||||||||||||
| 399 | 8295392 | Digital communication system, indoor unit, and outdoor unit | |||||||||||||||||||||
| 400 | 8279971 | Determining a level of power reduction for a transmitter | |||||||||||||||||||||
| 401 | 8270529 | Software-based spread spectrum signal processing | |||||||||||||||||||||
| 402 | 8265681 | Outer loop transmit power control in wireless communication systems | |||||||||||||||||||||
| 403 | 8265278 | System and methods for permitting open access to data objects and for securing data within the data objects | |||||||||||||||||||||
| 404 | 8265197 | OFDM transmission methods in three phase modes | |||||||||||||||||||||
| 405 | 8265196 | Noise injection circuit and method for signal processing | |||||||||||||||||||||
| 406 | 8259847 | Extended non-return-to-zero serial channel signaling | |||||||||||||||||||||
| 407 | 8259846 | Apparatus and method for generating a multicarrier communication signal having a reduced crest factor | |||||||||||||||||||||
| 408 | 8254496 | Power amplifier and radio wave transmitter having the same | |||||||||||||||||||||
| 409 | 8254495 | Codebook based precoding methods | |||||||||||||||||||||
| 410 | 8249189 | Wireless transmission method and apparatus | |||||||||||||||||||||
| 411 | 8243851 | Radio system and a method for relaying radio signals | |||||||||||||||||||||
| 412 | 8243850 | Method and system for generating reference signals in a wireless communication system | |||||||||||||||||||||
| 413 | 8238473 | Selective peak power reduction | |||||||||||||||||||||
| 414 | 8238472 | Carrier separation frequency error adjustment for UL multiple carrier operation | |||||||||||||||||||||
| 415 | 8233563 | Outphasing amplification of digital modulated signals in a radiofrequency transmission system | |||||||||||||||||||||
| 416 | 8229029 | Transmitter with reduced spectral regrowth and associated methods | |||||||||||||||||||||
| 417 | 8229028 | Apparatus for measuring IQ imbalance | |||||||||||||||||||||
| 418 | 8229027 | Pre-distortion and memory compensation apparatus | |||||||||||||||||||||
| 419 | 8229026 | Processor and processing method for signal transmission | |||||||||||||||||||||
| 420 | 8223885 | Mobile wireless communications device with separate In-phase (I) and Quadrature (Q) phase power amplification and power amplifier pre-distortion and IQ balance compensation | |||||||||||||||||||||
| 421 | 8223704 | Apparatus and method for assigning subchannels in an OFDMA communication system | |||||||||||||||||||||
| 422 | 8218678 | Apparatus and method for digital pre-distortion, sharing feedback path in a multiple antenna wireless communication system | |||||||||||||||||||||
| 423 | 8218676 | System and method for training pre-inverse of nonlinear system | |||||||||||||||||||||
| 424 | 8208582 | Transmitter pre-distortion across wide transmit power dynamic range | |||||||||||||||||||||
| 425 | 8204148 | Space-time digital power amplifier | |||||||||||||||||||||
| 426 | 8199960 | Integrated speaker and display | |||||||||||||||||||||
| 427 | 8189713 | Matrix power amplifiers for high speed wireless applications | |||||||||||||||||||||
| 428 | 8185381 | Unified filter bank for performing signal conversions | |||||||||||||||||||||
| 429 | 8184739 | Power series digital predistorter and control method therefor | |||||||||||||||||||||
| 430 | 8175189 | Fast generalized decision feedback equalizer precoder implementation for multi-user multiple-input multiple-output wireless transmission systems | |||||||||||||||||||||
| 431 | 8175188 | Reduced complexity multicarrier precoder | |||||||||||||||||||||
| 432 | 8165245 | Method and apparatus for controlling transmission power in a communication system | |||||||||||||||||||||
| 433 | 8155595 | Method for iterative interference cancellation for co-channel multi-carrier and narrowband systems | |||||||||||||||||||||
| 434 | 8155317 | Encryption processing circuit and encryption processing method | |||||||||||||||||||||
| 435 | 8155238 | Device for processing radio transmission data with digital predistortion | |||||||||||||||||||||
| 436 | 8149950 | Method and system for baseband predistortion linearization in multi-channel wideband communication systems | |||||||||||||||||||||
| 437 | 8144807 | Crosstalk cancellation in digital subscriber line communications | |||||||||||||||||||||
| 438 | 8135090 | Transmission device | |||||||||||||||||||||
| 439 | 8130864 | System and method of beamforming with reduced feedback | |||||||||||||||||||||
| 440 | 8130851 | Bandwidth efficient coding for an orthogonal frequency multiplexing OFDM system | |||||||||||||||||||||
| 441 | 8126081 | Signal modulation apparatus, signal modulation method, and computer program product | |||||||||||||||||||||
| 442 | 8121217 | Method and apparatus for transmitting data in a time division duplexed (TDD) communication system | |||||||||||||||||||||
| 443 | 8107555 | Pre-emphasis automatic adjusting system, method of adjusting pre-emphasis and pre-emphasis setting signal generating circuit | |||||||||||||||||||||
| 444 | 8102941 | Peak suppression control apparatus | |||||||||||||||||||||
| 445 | 8102940 | Receive frequency band interference protection system using predistortion linearization | |||||||||||||||||||||
| 446 | 8098761 | Method and apparatus for optimizing transmitter power efficiency | |||||||||||||||||||||
| 447 | 8095089 | Predictive transmitter calibration | |||||||||||||||||||||
| 448 | 8094748 | Transceiver architecture with combined smart antenna calibration and digital predistortion | |||||||||||||||||||||
| 449 | 8090051 | Combined feedback and feed-forward linearization of radio frequency (RF) power amplifiers | |||||||||||||||||||||
| 450 | 8090050 | Radio communication system, receiver, receiving method, transmitter, transmitting method, and device for and method of calculating delay times for multi-carrier transmission | |||||||||||||||||||||
2011 | |||||||||||||||||||||||
| 451 | 8085868 | Phase modulating and combining circuit | |||||||||||||||||||||
| 452 | 8081712 | Method and apparatus for mapping of absolute power grant values in wireless communications | |||||||||||||||||||||
| 453 | 8081701 | Method for sending and receiving communication signals, and apparatuses for sending and receiving communication signals | |||||||||||||||||||||
| 454 | 8073075 | Transmission apparatus and transmission power control method | |||||||||||||||||||||
| 455 | 8073073 | Optimized clipping for peak-to-average power ratio reduction | |||||||||||||||||||||
| 456 | 8069489 | Method and system for facilitating search, selection, preview, purchase evaluation, offering for sale, distribution, and/or sale of digital content and enhancing the security thereof | |||||||||||||||||||||
| 457 | 8068558 | Selective peak power reduction | |||||||||||||||||||||
| 458 | 8064537 | Method and apparatus for dynamically adjusting a transmission power spectral density of pilot and data symbols | |||||||||||||||||||||
| 459 | 8059749 | Systems and methods of RF power transmission, modulation, and amplification, including embodiments for compensating for waveform distortion | |||||||||||||||||||||
| 460 | 8059748 | Multi-mode and multi-band transmitters for wireless communication | |||||||||||||||||||||
| 461 | 8054912 | Large-dynamic-range lookup table for a transmitter predistorter and system and method employing the same | |||||||||||||||||||||
| 462 | 8054911 | Method for edge formation of signals and transmitter/receiver component for a bus system | |||||||||||||||||||||
| 463 | 8050648 | Superconducting digital mixer | |||||||||||||||||||||
| 464 | 8050353 | Systems and methods of RF power transmission, modulation, and amplification, including embodiments for compensating for waveform distortion | |||||||||||||||||||||
| 465 | 8050352 | Methods and apparatus for reducing peak-to-RMS amplitude ratio in communication signals | |||||||||||||||||||||
| 466 | 8040973 | Transmitter including pre-distortion | |||||||||||||||||||||
| 467 | 8036306 | Systems and methods of RF power transmission, modulation and amplification, including embodiments for compensating for waveform distortion | |||||||||||||||||||||
| 468 | 8031804 | Systems and methods of RF tower transmission, modulation, and amplification, including embodiments for compensating for waveform distortion | |||||||||||||||||||||
| 469 | 8031803 | Transmitter capable of suppressing peak of transmission signal | |||||||||||||||||||||
| 470 | 8023588 | Adaptive predistortion of non-linear amplifiers with burst data | |||||||||||||||||||||
| 471 | 8023587 | Device and method for pre-distorting a base-band digital signal | |||||||||||||||||||||
| 472 | 8019015 | Linearization of RF power amplifiers using an adaptive subband predistorter | |||||||||||||||||||||
| 473 | 8019014 | Pre-coding apparatus on account of adaptive estimation | |||||||||||||||||||||
| 474 | 8018569 | Method and apparatus for inhibiting the piracy of motion pictures | |||||||||||||||||||||
| 475 | 8009765 | Digital polar transmitter | |||||||||||||||||||||
| 476 | 8009763 | Method and apparatus for equalizing a high speed serial data link | |||||||||||||||||||||
| 477 | 8009761 | Unified modulator for continuous phase modulation and phase-shift keying | |||||||||||||||||||||
| 478 | 8005162 | Dynamic digital pre-distortion system | |||||||||||||||||||||
| 479 | 8000409 | Method and apparatus for improving power amplifier efficiency in wireless communication systems having high peak to average power ratios | |||||||||||||||||||||
| 480 | 8000408 | Loop delay and gain control methods in closed-loop transmitters and wireless devices | |||||||||||||||||||||
| 481 | 7991074 | Processing transmission signals in radio transmitter | |||||||||||||||||||||
| 482 | 7991072 | Multi-carrier modem transmitter with controlled transmit signal quality degradation for improving stability of operation | |||||||||||||||||||||
| 483 | 7986845 | Steganographic systems and methods | |||||||||||||||||||||
| 484 | 7986749 | Method and apparatus for performing fast power control in a mobile communication system | |||||||||||||||||||||
| 485 | 7965790 | Log-antilog circuit and method for producing an up-converted and amplified transmission signal | |||||||||||||||||||||
| 486 | 7965789 | Reverse link power control for an OFDMA system | |||||||||||||||||||||
| 487 | 7961881 | Apparatus and methods for including codes in audio signals | |||||||||||||||||||||
| 488 | 7953180 | Transmission power control method and transmission apparatus | |||||||||||||||||||||
| 489 | 7953178 | Apparatus and method for detecting signal in a broadband wireless access system | |||||||||||||||||||||
| 490 | 7949070 | Method and apparatus for executing MIMO eigenmode transmission | |||||||||||||||||||||
| 491 | 7949069 | Method, system and apparatus for applying hybrid ARQ to the control of transmit diversity | |||||||||||||||||||||
| 492 | 7944991 | Constrained clipping for peak-to-average power ratio (crest factor) reduction in multicarrier transmission systems | |||||||||||||||||||||
| 493 | 7944989 | Quadrature modulation apparatus, method, program, and recording medium | |||||||||||||||||||||
| 494 | 7940857 | Method for limiting signal and transmitter | |||||||||||||||||||||
| 495 | 7924942 | Power amplifier pre-distortion | |||||||||||||||||||||
| 496 | 7924941 | Digital pre-distortion for orthogonal frequency division multiplexing (OFDM) signals | |||||||||||||||||||||
| 497 | 7912148 | Transmission circuit and communication device | |||||||||||||||||||||
| 498 | 7907508 | Graph-based method for allocating resources in OFDMA networks | |||||||||||||||||||||
| 499 | 7903537 | Graph-based method for allocating resources in OFDMA networks | |||||||||||||||||||||
| 500 | 7894547 | In-phase and quadrature-phase signal amplitude and phase calibration | |||||||||||||||||||||
| 501 | 7889866 | Information leakage prevention apparatus and information leakage prevention method | |||||||||||||||||||||
| 502 | 7889811 | Digital linear amplification with nonlinear components (LINC) transmitter | |||||||||||||||||||||
| 503 | 7889810 | Method and apparatus for a nonlinear feedback control system | |||||||||||||||||||||
| 504 | 7885408 | Protection of several identical calculations | |||||||||||||||||||||
| 505 | 7885352 | Method and device for determining transmit power spectral density | |||||||||||||||||||||
| 506 | 7881680 | Predictive transmitter calibration | |||||||||||||||||||||
| 507 | 7881469 | Crypto-wireless-tag | |||||||||||||||||||||
| 508 | 7881402 | Compensation for gain imbalance, phase imbalance and DC offsets in a transmitter | |||||||||||||||||||||
| 509 | 7881401 | Transmitter arrangement and signal processing method | |||||||||||||||||||||
| 510 | 7873118 | Apparatus and method for controlling peak to average power ratio (PAPR) | |||||||||||||||||||||
| 511 | 7869543 | System and method for synchronization, power control, calibration, and modulation in communication transmitters | |||||||||||||||||||||
| 512 | 7869540 | Method and apparatus for increased communication channel pre-emphasis for clock-like data patterns | |||||||||||||||||||||
2010 | |||||||||||||||||||||||
| 513 | 7852967 | Automatic power output control circuit | |||||||||||||||||||||
| 514 | 7848451 | Digital pre-distortion technique using nonlinear filters | |||||||||||||||||||||
| 515 | 7844014 | Pre-distortion apparatus | |||||||||||||||||||||
| 516 | 7840014 | Sound apparatus with howling prevention function | |||||||||||||||||||||
| 517 | 7839951 | Dynamic crest factor reduction system | |||||||||||||||||||||
| 518 | 7826554 | Digital transmitter | |||||||||||||||||||||
| 519 | 7826553 | Multilevel LINC transmitter | |||||||||||||||||||||
| 520 | 7822147 | Self-calibrating multi-port circuit and method | |||||||||||||||||||||
| 521 | 7817755 | System, device and method for generating a logarithmic function according to a plurality of communication signals | |||||||||||||||||||||
| 522 | 7813506 | System and methods for permitting open access to data objects and for securing data within the data objects | |||||||||||||||||||||
| 523 | 7809081 | Digital pre-distortion technique using nonlinear filters | |||||||||||||||||||||
| 524 | 7804915 | Distortion compensation circuit and method | |||||||||||||||||||||
| 525 | 7792214 | Polar modulation transmitter circuit and communications device | |||||||||||||||||||||
| 526 | 7792213 | Minimum IQ value limiting | |||||||||||||||||||||
| 527 | 7787566 | Method and apparatus for improving power amplifier efficiency in wireless communication systems having high peak to average power ratios | |||||||||||||||||||||
| 528 | 7787564 | Combined peak reduction equalizer and phase/amplitude pre-distortion | |||||||||||||||||||||
| 529 | 7787562 | Method and apparatus for adaptive modulation of wireless communication signals | |||||||||||||||||||||
| 530 | 7782977 | Automatic gain control apparatus and method in orthogonal frequency division multiplexing | |||||||||||||||||||||
| 531 | 7778353 | Controller for a radio-frequency amplifier | |||||||||||||||||||||
| 532 | 7773691 | Power control system for a continuous time mobile transmitter | |||||||||||||||||||||
| 533 | 7764725 | Sub-banded ultra-wideband communication system | |||||||||||||||||||||
| 534 | 7760816 | Automatic gain control using multiple equalized estimates dynamic hysteresis | |||||||||||||||||||||
| 535 | 7746956 | Method and system for bandwidth calibration for a phase locked loop (PLL) | |||||||||||||||||||||
| 536 | 7746955 | Power amplifier pre-distortion | |||||||||||||||||||||
| 537 | 7738659 | Multiple transform utilization and application for secure digital watermarking | |||||||||||||||||||||
| 538 | 7738594 | Method to maintain RF power amplifier linearity in varying load VSWR conditions without isolator | |||||||||||||||||||||
| 539 | 7738420 | Apparatus and method for allocating subchannel and power in communication system, and transmitting apparatus | |||||||||||||||||||||
| 540 | 7733979 | Average power control of wireless transmission having a variable duty cycle | |||||||||||||||||||||
| 541 | 7733978 | Apparatus and method of dynamically adapting the LUT spacing for linearizing a power amplifier | |||||||||||||||||||||
| 542 | 7729445 | Digital outphasing transmitter architecture | |||||||||||||||||||||
| 543 | 7729444 | Method and apparatus for transmitting data in a time division duplexed (TDD) communication system | |||||||||||||||||||||
| 544 | 7720225 | Table splitting for cryptographic processes | |||||||||||||||||||||
| 545 | 7720175 | Apparatus and method for reducing peak-to-average power ratio in an OFDM communication system | |||||||||||||||||||||
| 546 | 7720174 | Multi-stage code generator and decoder for communication systems | |||||||||||||||||||||
| 547 | 7715560 | Systems and methods for hiding a data group | |||||||||||||||||||||
| 548 | 7711068 | Multi-stage code generator and decoder for communication systems | |||||||||||||||||||||
| 549 | 7711067 | Bandwidth-constrained signal conditioning | |||||||||||||||||||||
| 550 | 7693922 | Method for preprocessing a signal and method for signal processing | |||||||||||||||||||||
| 551 | 7693233 | Parallel Tomlinson-Harashima precoders | |||||||||||||||||||||
| 552 | 7680270 | System for elliptic curve encryption using multiple points on an elliptic curve derived from scalar multiplication | |||||||||||||||||||||
| 553 | 7680210 | Method for generating I/Q signal in a TDMA transmitter and corresponding modulator | |||||||||||||||||||||
| 554 | 7680209 | Method and device for training an RF amplifier linearization device, and mobile terminal incorporating same | |||||||||||||||||||||
| 555 | 7672453 | Data encryption by nonlinear transfer function | |||||||||||||||||||||
| 556 | 7664201 | Digital automatic gain control | |||||||||||||||||||||
| 557 | 7664200 | Method and system for minimizing effects of transmitter impairments in multiple input multiple output (MIMO) beamforming communication systems | |||||||||||||||||||||
| 558 | 7660563 | Apparatus and method for calibrating mixer offset | |||||||||||||||||||||
| 559 | 7657238 | Method and apparatus for modulating a radio signal using digital amplitude and phase control signals | |||||||||||||||||||||
| 560 | 7649958 | Transmit signal generator and method | |||||||||||||||||||||
| 561 | 7646826 | Type dependency modulation method with type control | |||||||||||||||||||||
| 562 | 7643637 | Efficient code constructions via cryptographic assumptions | |||||||||||||||||||||
2009 | |||||||||||||||||||||||
| 563 | 7639755 | Distortion compensating apparatus | |||||||||||||||||||||
| 564 | 7634657 | Reducing the probability of undetected collisions in hash-based data block processing | |||||||||||||||||||||
| 565 | 7634024 | Adaptive peak windowing for crest factor reduction in a communication system transmitter | |||||||||||||||||||||
| 566 | 7634022 | Polar modulator and wireless communication apparatus using the same | |||||||||||||||||||||
| 567 | 7627056 | System and method for orthogonally multiplexed signal transmission and reception on a non-contiguous spectral basis | |||||||||||||||||||||
| 568 | 7623591 | Diversity receiver | |||||||||||||||||||||
| 569 | 7620253 | Steganographic systems and methods | |||||||||||||||||||||
| 570 | 7613250 | Distortion compensation apparatus | |||||||||||||||||||||
| 571 | 7609780 | Method and apparatus for performing sequential closed loop multiple input multiple output (MIMO) | |||||||||||||||||||||
| 572 | 7606539 | Adaptive predistorter coupled to a nonlinear element | |||||||||||||||||||||
| 573 | 7606324 | Digital pre-distortion technique using non-linear filters | |||||||||||||||||||||
| 574 | 7606323 | Carrier leak reduction transmitter circuit | |||||||||||||||||||||
| 575 | 7606322 | Digital pre-distortion technique using nonlinear filters | |||||||||||||||||||||
| 576 | 7596184 | Apparatus, system, and method for amplitude-phase synchronization in polar transmitter | |||||||||||||||||||||
| 577 | 7593699 | Distortion/efficiency adaptation in a variable-data-rate radio transmitter | |||||||||||||||||||||
| 578 | 7593480 | Transmission device and radio communication device | |||||||||||||||||||||
| 579 | 7593478 | Low peak to average ratio search algorithm | |||||||||||||||||||||
| 580 | 7593477 | Training sequence for linearizing an RF amplifier | |||||||||||||||||||||
| 581 | 7593357 | Transmit processing using receiver functions | |||||||||||||||||||||
| 582 | 7590190 | System and method for forward path gain control in a digital predistortion linearized transmitter | |||||||||||||||||||||
| 583 | 7587044 | Differential power analysis method and apparatus | |||||||||||||||||||||
| 584 | 7586996 | Method for controlling the power of the output signal from an amplifier system and the associated system | |||||||||||||||||||||
| 585 | 7583754 | Method and system for broadband predistortion linearization | |||||||||||||||||||||
| 586 | 7583753 | Methods and transmitters for loop-back adaptive pre-emphasis data transmission | |||||||||||||||||||||
| 587 | 7580686 | Adaptive predistortion method and arrangement | |||||||||||||||||||||
| 588 | 7577211 | Digital predistortion system and method for linearizing an RF power amplifier with nonlinear gain characteristics and memory effects | |||||||||||||||||||||
| 589 | 7570710 | In-phase and quadrature-phase signal amplitude and phase calibration | |||||||||||||||||||||
| 590 | 7570708 | Serdes auto calibration and load balancing | |||||||||||||||||||||
| 591 | 7570707 | Digital delay element for delay mismatch cancellation in wireless polar transmitters | |||||||||||||||||||||
| 592 | 7567625 | Apparatus and method for sub-carrier allocation in a multiple-input and multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) communication system | |||||||||||||||||||||
| 593 | 7567623 | Differential space-time block coding apparatus with high transmission rate and method thereof | |||||||||||||||||||||
| 594 | 7564922 | RF transmitter for efficiently compensating output power variation due to temperature and process | |||||||||||||||||||||
| 595 | 7558334 | Enhanced hybrid class-S modulator | |||||||||||||||||||||
| 596 | 7558332 | Adaptive controller for linearization of transmitter with impairments | |||||||||||||||||||||
| 597 | 7555057 | Predistortion calibration in a transceiver assembly | |||||||||||||||||||||
| 598 | 7551902 | Method and apparatus to increase the diversity order for a multi-carrier FDM system | |||||||||||||||||||||
| 599 | 7551689 | Method and apparatus for improving power amplifier efficiency in wireless communication systems having high peak to average power ratios | |||||||||||||||||||||
| 600 | 7551687 | Distortion compensating apparatus | |||||||||||||||||||||
| 601 | 7551686 | Multiple polynomial digital predistortion | |||||||||||||||||||||
| 602 | 7551683 | Adjusting data burst transmission rates | |||||||||||||||||||||
| 603 | 7545880 | Multiple polynomial digital predistortion | |||||||||||||||||||||
| 604 | 7542584 | Image processing method, image processing apparatus, program and recording medium that can reduce image quality degradation | |||||||||||||||||||||
| 605 | 7542518 | Predistortion apparatus and method for compensating for a nonlinear distortion characteristic of a power amplifier using a look-up table | |||||||||||||||||||||
| 606 | 7539269 | Method and apparatus for discrete power synthesis of multicarrier signals with constant envelope power amplifiers | |||||||||||||||||||||
| 607 | 7535973 | Correction method and correction loop for a complex digital signal | |||||||||||||||||||||
| 608 | 7532725 | Systems and methods for permitting open access to data objects and for securing data within the data objects | |||||||||||||||||||||
| 609 | 7529316 | Transmitter | |||||||||||||||||||||
| 610 | 7526090 | Secured radio communications method | |||||||||||||||||||||
| 611 | 7519132 | Reduced complexity multicarrier precoder | |||||||||||||||||||||
| 612 | 7519129 | Precoding of contention words in a fixed wireless access system | |||||||||||||||||||||
| 613 | 7515648 | Transmitter and wireless communication apparatus using same | |||||||||||||||||||||
| 614 | 7512192 | Phase conjugated vectoring of signals in telephone cables | |||||||||||||||||||||
| 615 | 7505531 | Signal communications system and method for noisy links | |||||||||||||||||||||
| 616 | 7500271 | Reproducing apparatus and information distribution system | |||||||||||||||||||||
| 617 | 7499502 | Amplifier, information communication apparatus and amplification method | |||||||||||||||||||||
| 618 | 7499499 | Method for multiple antenna transmission | |||||||||||||||||||||
| 619 | 7496152 | Adaptive control apparatus | |||||||||||||||||||||
| 620 | 7487356 | Digital watermarking system using scrambling method | |||||||||||||||||||||
| 621 | 7486939 | Apparatus for removing distortions created by an amplifier | |||||||||||||||||||||
| 622 | 7477702 | Apparatus, and associated method, for selecting a switching threshold for a transmitter utilizing adaptive modulation techniques | |||||||||||||||||||||
2008 | |||||||||||||||||||||||
| 623 | 7471791 | Method for countermeasure in an electronic component using a secret key algorithm | |||||||||||||||||||||
| 624 | 7471736 | Frequency based modulator compensation | |||||||||||||||||||||
| 625 | 7469491 | Transmitter predistortion circuit and method therefor | |||||||||||||||||||||
| 626 | 7469346 | Dual virtual machine architecture for media devices | |||||||||||||||||||||
| 627 | 7469020 | Systems, methods, and apparatus for reducing dynamic range requirements of a power amplifier in a wireless device | |||||||||||||||||||||
| 628 | 7463697 | Multicarrier transmitter and methods for generating multicarrier communication signals with power amplifier predistortion and linearization | |||||||||||||||||||||
| 629 | 7451319 | System and method of watermarking a signal | |||||||||||||||||||||
| 630 | 7433419 | ICI cancellation method for an OFDM system | |||||||||||||||||||||
| 631 | 7430248 | Predistortion circuit and method for compensating nonlinear distortion in a digital RF communications transmitter | |||||||||||||||||||||
| 632 | 7428230 | Time-division-duplexing type power amplification module | |||||||||||||||||||||
| 633 | 7424116 | Method and apparatus for providing authentication in a communication system | |||||||||||||||||||||
| 634 | 7418055 | Device and method for regulating the output power of mobile | |||||||||||||||||||||
| 635 | 7409008 | Transmitting arrangement for mobile radio | |||||||||||||||||||||
| 636 | 7403573 | Uncorrelated adaptive predistorter | |||||||||||||||||||||
| 637 | 7403572 | Method of preventing interferring signal transmission of electronic products | |||||||||||||||||||||
| 638 | 7400864 | Method and apparatus for compensating for phase variations caused by activation of an amplifier | |||||||||||||||||||||
| 639 | 7400691 | Power control on a packet-by-packet basis in a CMOS transceiver | |||||||||||||||||||||
| 640 | 7400690 | Adaptive phase controller, method of controlling a phase and transmitter employing the same | |||||||||||||||||||||
| 641 | 7388929 | Method and apparatus for providing service availability information in a wireless communication system | |||||||||||||||||||||
| 642 | 7388928 | OFDM pre-equalizing | |||||||||||||||||||||
| 643 | 7382878 | System and method for data encryption | |||||||||||||||||||||
| 644 | 7382835 | Power booster using peak suppression and pre-distortion for terminal radios | |||||||||||||||||||||
| 645 | 7382833 | System for phase, gain, and DC offset error correction for a quadrature modulator | |||||||||||||||||||||
| 646 | 7376202 | OFDM peak-to-average power ratio reduction by combined symbol rotation and inversion with limited complexity | |||||||||||||||||||||
| 647 | 7376201 | System and method for reducing crest factor of signal | |||||||||||||||||||||
| 648 | 7376200 | Method and apparatus for suppressing carrier leakage | |||||||||||||||||||||
| 649 | 7366901 | Device, system, method and computer readable medium for identifying and authenticating a cellular device using a short-range radio address | |||||||||||||||||||||
| 650 | 7366300 | Methods and apparatus for implementing a cryptography engine | |||||||||||||||||||||
| 651 | 7362820 | Apparatus and method for modulating and digitally predistorting a signal in a multiple modulation schemes | |||||||||||||||||||||
| 652 | 7359513 | Quantum cryptography protocol | |||||||||||||||||||||
| 653 | 7359453 | System and method for transitioning between modulation formats in adjacent bursts triggering on ramps | |||||||||||||||||||||
| 654 | 7346165 | Apparatus and method for generating scrambling code in mobile communication system | |||||||||||||||||||||
| 655 | 7346122 | Direct modulation of a power amplifier with adaptive digital predistortion | |||||||||||||||||||||
| 656 | 7340006 | Apparatus and method for reducing PAPR in OFDM communication system | |||||||||||||||||||||
| 657 | 7340005 | Signal transmission apparatus and method | |||||||||||||||||||||
| 658 | 7339881 | Method and apparatus for encoding compressible data for transmission over variable quality communication channel | |||||||||||||||||||||
| 659 | 7336724 | Method for scaling peak power amplitudes in a signal and corresponding transmitter | |||||||||||||||||||||
| 660 | 7333563 | Method and apparatus for improving power amplifier efficiency in wireless communication systems having high peak to average power ratios | |||||||||||||||||||||
| 661 | 7333562 | Nonlinear distortion compensating circuit | |||||||||||||||||||||
| 662 | 7333561 | Postdistortion amplifier with predistorted postdistortion | |||||||||||||||||||||
| 663 | 7333560 | Method and apparatus for transmitting data in a time division duplexed (TDD) communication system | |||||||||||||||||||||
| 664 | 7333559 | Digital predistorter for a wideband power amplifier and adaptation method | |||||||||||||||||||||
| 665 | 7333557 | Adaptive controller for linearization of transmitter with impairments | |||||||||||||||||||||
| 666 | 7330518 | Distortion compensation circuit, and a transmission apparatus including the same | |||||||||||||||||||||
| 667 | 7327802 | Method and apparatus for canceling the transmitted signal in a homodyne duplex transceiver | |||||||||||||||||||||
| 668 | 7324646 | Method and apparatus for film anti-piracy | |||||||||||||||||||||
| 669 | 7324604 | System and method for shaping ultra wide bandwidth signal spectrum | |||||||||||||||||||||
| 670 | 7321635 | Linearization of amplifiers using baseband detection and non-baseband pre-distortion | |||||||||||||||||||||
| 671 | 7319724 | Radio equipment using image signals for compensating transmission signals | |||||||||||||||||||||
| 672 | 7317764 | Method of signal transmission to multiple users from a multi-element array | |||||||||||||||||||||
| 673 | 7316032 | Method for allowing a customer to preview, acquire and/or pay for information and a system therefor | |||||||||||||||||||||
2007 | |||||||||||||||||||||||
| 674 | 7313235 | Device and method of applying a parity to encrypt data for protection | |||||||||||||||||||||
| 675 | 7313196 | Method and system for baseband amplitude limiting | |||||||||||||||||||||
| 676 | 7313195 | PAPR reduction method using bit reallocation | |||||||||||||||||||||
| 677 | 7310382 | Linearized switch-based power amplifier | |||||||||||||||||||||
| 678 | 7310381 | Power amplifier pre-distortion device and method for orthogonal frequency division multiplexing | |||||||||||||||||||||
| 679 | 7310301 | Multi-carrier modulation with source information allocated over variable quality communication channel | |||||||||||||||||||||
| 680 | 7308041 | Method and transmitter for transmitting radio signals | |||||||||||||||||||||
| 681 | 7305555 | Smart card mating protocol | |||||||||||||||||||||
| 682 | 7305046 | I/Q modulator with carrier predistortion | |||||||||||||||||||||
| 683 | 7305041 | Peak suppression of multi-carrier signal with different modulation | |||||||||||||||||||||
| 684 | 7298793 | Method and apparatus for I/Q mismatch calibration of transmitter | |||||||||||||||||||||
| 685 | 7289576 | UWB transmitter including an echo detector | |||||||||||||||||||||
| 686 | 7286613 | Process and device for modulating a carrier with amplitude and phase error compensation | |||||||||||||||||||||
| 687 | 7280809 | Method for adjusting transmission parameters from a transmitter for digital radio signals | |||||||||||||||||||||
| 688 | 7280612 | Digital branch calibrator for an RF transmitter | |||||||||||||||||||||
| 689 | 7280611 | Nonlinear distortion compensating device | |||||||||||||||||||||
| 690 | 7280497 | Methods and apparatus for coupling an earth terminal to a satellite | |||||||||||||||||||||
| 691 | 7280496 | Methods and apparatus for coupling a satellite to an earth terminal | |||||||||||||||||||||
| 692 | 7274750 | Gain and phase imbalance compensation for OFDM systems | |||||||||||||||||||||
| 693 | 7274749 | Method and apparatus for the linearization of a radio frequency high-power amplifier | |||||||||||||||||||||
| 694 | 7272195 | Method and circuit for controlling the peak power of a filtered signal in a single carrier data transmission system | |||||||||||||||||||||
| 695 | 7269231 | System and method for predistorting a signal using current and past signal samples | |||||||||||||||||||||
| 696 | 7263135 | Transmitting method and transmitter apparatus | |||||||||||||||||||||
| 697 | 7260157 | Phase shifted transmitter architecture for communication systems | |||||||||||||||||||||
| 698 | 7251291 | System and method for I/Q imbalance compensation | |||||||||||||||||||||
| 699 | 7251290 | Adaptive controller for linearization of transmitter | |||||||||||||||||||||
| 700 | 7248643 | Distortion compensator | |||||||||||||||||||||
| 701 | 7242767 | Recording medium, data recording method and apparatus, data regenerating method and apparatus, and copy control method | |||||||||||||||||||||
| 702 | 7242728 | Quadrature modulator carrier quadrature error detection method and quadrature modulation device | |||||||||||||||||||||
| 703 | 7239671 | System and method for digital timing error correction in a communications system utilizing adaptive predistortion | |||||||||||||||||||||
| 704 | 7236901 | Digital broadband frequency measurement | |||||||||||||||||||||
| 705 | 7230997 | Semiconductor integrated circuit for communication, radio-communications apparatus, and transmission starting method | |||||||||||||||||||||
| 706 | 7230996 | Transmitting circuit device and wireless communications device | |||||||||||||||||||||
| 707 | 7227909 | High-quality power ramping in a communications transmitter | |||||||||||||||||||||
| 708 | 7227908 | Information transmission apparatus, information transmission method, information reception apparatus, and information reception method | |||||||||||||||||||||
| 709 | 7227907 | Antenna adaptation comparison method for high mobility | |||||||||||||||||||||
| 710 | 7224747 | Generating coefficients for a prediction filter in an encoder | |||||||||||||||||||||
| 711 | 7221757 | Method and system for accelerated data encryption | |||||||||||||||||||||
| 712 | 7218681 | Method and apparatus for cross-talk mitigation through joint multiuser adaptive pre-coding | |||||||||||||||||||||
| 713 | 7215717 | Distortion compensation circuit | |||||||||||||||||||||
| 714 | 7215716 | Non-linear adaptive AM/AM and AM/PM pre-distortion compensation with time and temperature compensation for low power applications | |||||||||||||||||||||
| 715 | 7215715 | System and method of signal wave shaping for spectrum control of an OFDM signal | |||||||||||||||||||||
| 716 | 7212584 | Distortion compensator | |||||||||||||||||||||
| 717 | 7212583 | Transmission of signal | |||||||||||||||||||||
| 718 | 7212582 | Combining precoding with spectral shaping | |||||||||||||||||||||
| 719 | 7206408 | Countermeasure method in an electronic component using a dynamic secret key cryptographic algorithm | |||||||||||||||||||||
| 720 | 7200180 | Data transceiver with filtering and precoding | |||||||||||||||||||||
| 721 | 7197084 | Precoding for a multipath channel in a MIMO system | |||||||||||||||||||||
| 722 | 7194039 | Method for peak power reduction in multiple carrier communications systems | |||||||||||||||||||||
| 723 | 7190791 | Method of encryption using multi-key process to create a variable-length key | |||||||||||||||||||||
| 724 | 7190790 | Multiple module encryption method | |||||||||||||||||||||
| 725 | 7184491 | Wireless communication apparatus | |||||||||||||||||||||
| 726 | 7177430 | Digital entroping for digital audio reproductions | |||||||||||||||||||||
| 727 | 7177429 | System and methods for permitting open access to data objects and for securing data within the data objects | |||||||||||||||||||||
| 728 | 7177370 | Method and architecture for dual-mode linear and saturated power amplifier operation | |||||||||||||||||||||
| 729 | 7177369 | Multipath communication methods and apparatuses | |||||||||||||||||||||
| 730 | 7174013 | Efficient universal hashing method | |||||||||||||||||||||
| 731 | 7170953 | Method and apparatus for a transceiver having a constant power output | |||||||||||||||||||||
| 732 | 7170951 | Device and method for predistorting a transmission signal to be transmitted via a nonlinear transmission path | |||||||||||||||||||||
| 733 | 7164728 | Method and device for forming transport frames from coded-signal frames and device for extracting coded signal frames | |||||||||||||||||||||
| 734 | 7161988 | Method and apparatus for minimizing co-channel interference | |||||||||||||||||||||
| 735 | 7158582 | Digital I/Q modulator having a predistortion | |||||||||||||||||||||
2006 | |||||||||||||||||||||||
| 736 | 7149257 | Digital predistortion system and method for correcting memory effects within an RF power amplifier | |||||||||||||||||||||
| 737 | 7146503 | System and method of watermarking signal | |||||||||||||||||||||
| 738 | 7139326 | Image-canceling quadrature modulator and method | |||||||||||||||||||||
| 739 | 7136628 | Adaptive digital predistortion method and apparatus for wireless transmitter | |||||||||||||||||||||
| 740 | 7133466 | Amplifying apparatus | |||||||||||||||||||||
| 741 | 7130357 | Apparatus and method for compensating error for analog quadrature modulator (AQM) | |||||||||||||||||||||
| 742 | 7127620 | Power analysis resistant coding device | |||||||||||||||||||||
| 743 | 7116726 | Method and apparatus for transferring multiple symbol streams at low bit-error rates in a narrowband channel | |||||||||||||||||||||
| 744 | 7113551 | Transmitter with limited spectral regrowth and method therefor | |||||||||||||||||||||
| 745 | 7109792 | Table-based pre-distortion for amplifier systems | |||||||||||||||||||||
| 746 | 7106862 | Digital information hiding techniques for use with data streams carried over a data communication network | |||||||||||||||||||||
| 747 | 7106806 | Reducing distortion of signals | |||||||||||||||||||||
| 748 | 7099404 | Digital transmitter | |||||||||||||||||||||
| 749 | 7099403 | Precoding for a non-linear codec | |||||||||||||||||||||
| 750 | 7095858 | System and method for securely upgrading firmware | |||||||||||||||||||||
| 751 | 7085377 | Information delivery in a multi-stream digital broadcasting system | |||||||||||||||||||||
| 752 | 7068983 | Method for detecting quadrature modulator carrier leak adjusting point by geometrical analysis/calculation method, carrier leak adjusting method, and quadrature modulation apparatus | |||||||||||||||||||||
| 753 | 7068729 | Multi-stage code generator and decoder for communication systems | |||||||||||||||||||||
| 754 | 7065155 | Method and apparatus for a transceiver having a constant power output | |||||||||||||||||||||
| 755 | 7065154 | Baseband predistortion method for multicarrier transmitters | |||||||||||||||||||||
| 756 | 7065151 | Channel optimization system | |||||||||||||||||||||
| 757 | 7062234 | Pre-distortion cross-cancellation for linearizing power amplifiers | |||||||||||||||||||||
| 758 | 7058139 | Transmitter with transmitter chain phase adjustment on the basis of pre-stored phase information | |||||||||||||||||||||
| 759 | 7046808 | Method and apparatus for detecting processing stages applied to a signal | |||||||||||||||||||||
| 760 | 7046740 | Reduced complexity multicarrier precoder | |||||||||||||||||||||
| 761 | 7046739 | Pre-distortion of input signals to form constant envelope signal outputs | |||||||||||||||||||||
| 762 | 7046738 | 8-PSK transmit filtering using reduced look up tables | |||||||||||||||||||||
| 763 | 7042958 | Digital time alignment in a polar modulator | |||||||||||||||||||||
| 764 | 7039125 | Equalized SNR power back-off | |||||||||||||||||||||
| 765 | 7035345 | Adaptive predistortion device and method using digital receiver | |||||||||||||||||||||
| 766 | 6999523 | Multi-frequency transmitter using predistortion and a method of transmitting | |||||||||||||||||||||
| 767 | 6996237 | Apparatus and methods for including codes in audio signals | |||||||||||||||||||||
| 768 | 6993091 | Correction of DC-offset of I/Q modulator | |||||||||||||||||||||
| 769 | 6987954 | Feedback compensation detector for a direct conversion transmitter | |||||||||||||||||||||
| 770 | 6985704 | System and method for digital memorized predistortion for wireless communication | |||||||||||||||||||||
| 771 | 6983051 | Methods for audio watermarking and decoding | |||||||||||||||||||||
2005 | |||||||||||||||||||||||
| 772 | 6901514 | Secure oblivious watermarking using key-dependent mapping functions | |||||||||||||||||||||
| 773 | 6898252 | IQ mismatch cancellation | |||||||||||||||||||||
| 774 | 6879691 | Information autocompletion system | |||||||||||||||||||||
| 775 | 6876746 | Encryption/decryption engine for multiple isochronous data streams | |||||||||||||||||||||
| 776 | 6851063 | Digital video recorder employing a file system encrypted using a pseudo-random sequence generated from a unique ID | |||||||||||||||||||||
| 777 | 6850252 | Intelligent electronic appliance system and method | |||||||||||||||||||||
2004 | |||||||||||||||||||||||
| 778 | 6810407 | Optical boolean logic devices for data encryption | |||||||||||||||||||||
| 779 | 6798844 | Correction of phase and amplitude imbalance of I/Q modulator | |||||||||||||||||||||
| 780 | 6711216 | Method and apparatus for an ultra-wideband radio utilizing MEMS filtering | |||||||||||||||||||||
2003 | |||||||||||||||||||||||
| 781 | 6654426 | Correction of nonlinearity of I/Q modulator | |||||||||||||||||||||
| 782 | 6587821 | Methods for decoding watermark data from audio, and controlling audio devices in accordance therewith | |||||||||||||||||||||
| 783 | 6542618 | Methods for watermark decoding | |||||||||||||||||||||
| 784 | 6539095 | Audio watermarking to convey auxiliary control information, and media embodying same | |||||||||||||||||||||
| 785 | 6532256 | Method and apparatus for signal transmission and reception | |||||||||||||||||||||
2002 | |||||||||||||||||||||||
| 786 | 6496591 | Video copy-control with plural embedded signals | |||||||||||||||||||||
| 787 | 6408019 | System and method for communication using noise | |||||||||||||||||||||
| 788 | 6404898 | Method and system for encoding image and audio content | |||||||||||||||||||||
| 789 | 6400827 | Methods for hiding in-band digital data in images and video | |||||||||||||||||||||
| 790 | 6363159 | Consumer audio appliance responsive to watermark data | |||||||||||||||||||||
| 791 | 6343138 | Security documents with hidden digital data | |||||||||||||||||||||
2001 | |||||||||||||||||||||||
| 792 | 6330335 | Audio steganography | |||||||||||||||||||||
| 793 | 6320872 | Serially buffered medium translator | |||||||||||||||||||||
| 794 | 6289108 | Methods for detecting alteration of audio and images | |||||||||||||||||||||
| 795 | 6263017 | Method and apparatus for signal transmission and reception | |||||||||||||||||||||
| 796 | 6229897 | Apparatus and method of secured analog voice communication | |||||||||||||||||||||
2000 | |||||||||||||||||||||||
| 797 | 6137831 | Method and apparatus for reducing receiver imposed distortion | |||||||||||||||||||||
| 798 | 6081784 | Methods and apparatus for encoding, decoding, encrypting and decrypting an audio signal, recording medium therefor, and method of transmitting an encoded encrypted audio signal | |||||||||||||||||||||
| 799 | 6035040 | System and method for decryption in the symbol domain | |||||||||||||||||||||
| 800 | 6018582 | Optical transmission system implementing encrypting by deterministic chaos | |||||||||||||||||||||
1999 | |||||||||||||||||||||||
| 801 | 5995539 | Method and apparatus for signal transmission and reception | |||||||||||||||||||||
| 802 | 5917915 | Scramble/descramble method and apparatus for data broadcasting | |||||||||||||||||||||
1998 | |||||||||||||||||||||||
| 803 | 5835590 | Method and apparatus for signal transmission and reception | |||||||||||||||||||||
| 804 | 5796782 | Digital modulator with Root-Nyquist filter | |||||||||||||||||||||
| 805 | 5727064 | Cryptographic system for wireless communications | |||||||||||||||||||||
1997 | |||||||||||||||||||||||
| 806 | 5682404 | Method and apparatus for signal transmission and reception | |||||||||||||||||||||
| 807 | 5668879 | Audio scrambling system for scrambling and descrambling audio signals | |||||||||||||||||||||
| 808 | 5617476 | Audio scrambling system for scrambling and descrambling audio signals | |||||||||||||||||||||
1996 | |||||||||||||||||||||||
| 809 | 5546423 | Spread spectrum digital transmission system using low-frequency pseudorandom encoding of the wanted information and spectrum spreading and compression method used in a system of this kind | |||||||||||||||||||||
| 810 | 5493612 | Secure communication keying system | |||||||||||||||||||||
1995 | |||||||||||||||||||||||
| 811 | 5432697 | Technique for controlling the symbolic dynamics of chaotic systems to generate digital communications waveforms | |||||||||||||||||||||
| 812 | 5406627 | Digital data cryptographic system | |||||||||||||||||||||
1994 | |||||||||||||||||||||||
| 813 | 5367516 | Method and apparatus for signal transmission and reception | |||||||||||||||||||||
| 814 | 5345468 | Despreading technique for CDMA systems | |||||||||||||||||||||
| 815 | 5341423 | Masked data transmission system | |||||||||||||||||||||
| 816 | 5307370 | Secure cordless radio-telephone | |||||||||||||||||||||
| 817 | 5305384 | Apparatus, system and method for transmitting secure signals over narrow spaced channels | |||||||||||||||||||||
| 818 | 5299227 | Individual beacon identification system | |||||||||||||||||||||
| 819 | 5297201 | System for preventing remote detection of computer data from tempest signal emissions | |||||||||||||||||||||
| 820 | 5291555 | Communication using synchronized chaotic systems | |||||||||||||||||||||
1993 | |||||||||||||||||||||||
| 821 | 5267312 | Audio signal cryptographic system | |||||||||||||||||||||
| 822 | 5243650 | Method and apparatus for encryption/decryption of digital multisound in television | |||||||||||||||||||||
| 823 | 5197098 | Secure conferencing system | |||||||||||||||||||||
| 824 | 5185794 | System and method for scrambling and/or descrambling a video signal | |||||||||||||||||||||
| 825 | 5181243 | System and method for communications security protection | |||||||||||||||||||||
| 826 | 5177785 | Method and system for secure telecommunications | |||||||||||||||||||||
1992 | |||||||||||||||||||||||
| 827 | 5168519 | System and method for securing DTMF transmission | |||||||||||||||||||||
| 828 | 5166976 | System and method for detection of a pulse within a video signal | |||||||||||||||||||||
| 829 | 5159634 | Cryptosystem for cellular telephony | |||||||||||||||||||||
| 830 | 5150401 | Retrofittable encryption/decryption apparatus using modified frequency modulation | |||||||||||||||||||||
| 831 | 5148478 | System and method for communications security protection | |||||||||||||||||||||
| 832 | 5091942 | Authentication system for digital cellular communications | |||||||||||||||||||||
| 833 | 5091938 | System and method for transmitting entertainment information to authorized ones of plural receivers | |||||||||||||||||||||
1991 | |||||||||||||||||||||||
| 834 | 5056137 | Method and apparatus for encoding and decoding signals | |||||||||||||||||||||
| 835 | 5036542 | Audio surveillance discouragement apparatus and method | |||||||||||||||||||||
| 836 | 5008937 | Scrambled-communication system using adaptive transversal filters for descrambling received signals | |||||||||||||||||||||
| 837 | 4991207 | One-way address transmission system of PCM music | |||||||||||||||||||||
1990 | |||||||||||||||||||||||
| 838 | 4979188 | Spectrally efficient method for communicating an information signal | |||||||||||||||||||||
| 839 | 4972469 | System and method for communications security protection | |||||||||||||||||||||
| 840 | 4893339 | Secure communication system | |||||||||||||||||||||
1989 | |||||||||||||||||||||||
| 841 | 4837821 | Signal transmission system having encoder/decoder without frame synchronization signal | |||||||||||||||||||||
| 842 | 4825468 | Video noise jammer | |||||||||||||||||||||
1988 | |||||||||||||||||||||||
| 843 | 4771455 | Scrambling apparatus | |||||||||||||||||||||
| 844 | 4760598 | Coded data transmission system | |||||||||||||||||||||
| 845 | 4754481 | Expanded partial response processing for analog signal enciphering and the like | |||||||||||||||||||||
| 846 | 4752953 | Digital audio scrambling system with pulse amplitude modulation | |||||||||||||||||||||
1987 | |||||||||||||||||||||||
| 847 | 4700387 | Broadcast system for scrambled programming signals | |||||||||||||||||||||
| 848 | 4688257 | Secure wireless communication system utilizing locally synchronized noise signals | |||||||||||||||||||||
| 849 | 4646147 | Method and apparatus for scrambling and unscrambling television signals | |||||||||||||||||||||
| 850 | 4638357 | Audio scrambler | |||||||||||||||||||||
1986 | |||||||||||||||||||||||
| 851 | 4623918 | Pay television system utilizing multi-frequency passive filters | |||||||||||||||||||||
| 852 | 4608456 | Digital audio scrambling system with error conditioning | |||||||||||||||||||||
| 853 | 4608455 | Processing of encrypted voice signals | |||||||||||||||||||||
| 854 | 4589016 | FM television signal receiving circuit | |||||||||||||||||||||
| 855 | 4581637 | PIN diode modulator | |||||||||||||||||||||
| 856 | 4573648 | Ram air combustion steering system for a guided missile | |||||||||||||||||||||
| 857 | 4573205 | Technique for secure communications on FM radio channels | |||||||||||||||||||||
1985 | |||||||||||||||||||||||
| 858 | 4560832 | Telephone system | |||||||||||||||||||||
| 859 | 4555805 | Secure mobile telephone system | |||||||||||||||||||||
1984 | |||||||||||||||||||||||
| 860 | 4475208 | Wired spread spectrum data communication system | |||||||||||||||||||||
| 861 | 4434322 | Coded data transmission system | |||||||||||||||||||||
1983 | |||||||||||||||||||||||
| 862 | 4411017 | Secure mobile telephone system | |||||||||||||||||||||
| 863 | 4401854 | Simultaneous transmission of an analog message signal and a digital data signal | |||||||||||||||||||||
| 864 | 4398062 | Apparatus for privacy transmission in system having bandwidth constraint | |||||||||||||||||||||
| 865 | 4370519 | Autokey generator for secret communication system | |||||||||||||||||||||
1982 | |||||||||||||||||||||||
| 866 | 4365111 | Cipher apparatus for multiplex pulse code modulation systems | |||||||||||||||||||||
| 867 | 4361729 | Narrowband analog message privacy system | |||||||||||||||||||||
1981 | |||||||||||||||||||||||
| 868 | 4283602 | Cryptographically secure communication system | |||||||||||||||||||||
| 869 | 4266095 | Binary code randomizing system | |||||||||||||||||||||
| 870 | 4245346 | Communication system | |||||||||||||||||||||
1980 | |||||||||||||||||||||||
| 871 | 4214126 | Cadence suppression system | |||||||||||||||||||||
| 872 | 4211468 | Method and apparatus to provide a secure optical communication system | |||||||||||||||||||||
| 873 | 4188580 | Secure communication system | |||||||||||||||||||||
1979 | |||||||||||||||||||||||
| 874 | 4179586 | System of encoded speech transmission and reception | |||||||||||||||||||||
| 875 | 4176316 | Secure single sideband communication system using modulated noise subcarrier | |||||||||||||||||||||
| 876 | 4172968 | Electrical system | |||||||||||||||||||||
| 877 | 4171513 | Secure communications system | |||||||||||||||||||||
| 878 | 4152545 | Pulse position modulation secret communication system | |||||||||||||||||||||
| 879 | 4133977 | Voice scrambler using syllabic masking | |||||||||||||||||||||
1978 | |||||||||||||||||||||||
| 880 | 4126761 | Method of and means for processing an audio frequency signal to conceal intelligility | |||||||||||||||||||||
| 881 | 4125744 | Communication system | |||||||||||||||||||||
1977 | |||||||||||||||||||||||
| 882 | 4059726 | Process and apparatus for speech privacy improvement through incoherent masking noise sound generation in open-plan office spaces and the like | |||||||||||||||||||||
| 883 | 4054751 | Masking noise generator | |||||||||||||||||||||
| 884 | 4052565 | Walsh function signal scrambler | |||||||||||||||||||||
| 885 | 4011408 | Audio transmission protection apparatus | |||||||||||||||||||||
1976 | |||||||||||||||||||||||
| 886 | 3991268 | PCM communication system with pulse deletion | |||||||||||||||||||||
| 887 | 3985958 | Secret telephony | |||||||||||||||||||||
| 888 | 3979558 | Signaling system | |||||||||||||||||||||
| 889 | 3978288 | Method and apparatus for the secret transmission of speech signals | |||||||||||||||||||||
| 890 | 3976839 | Telephone privacy system | |||||||||||||||||||||
| 891 | 3970791 | Voice controlled disappearing audio delay line | |||||||||||||||||||||
| 892 | 3967067 | Secret telephony | |||||||||||||||||||||
| 893 | 3967066 | 380/33
| 894 | 3965296 | Signaling system |
895 | 3958214 | Encoded echo-ranging signal generator |
896 | 3953678 | Speech component key signaling system with code combinations |
897 | 3953677 | Key signaling system with multiple pulse generators |
898 | 3944744 | Matrix coding secret signalling system |
© 2017, ПАТ-Инфо, В.И. Карнышев
| Дата формирования списка: 03.04.2017 | |||||