СПИСОК патентов США - подгруппа МПК16 H04L27/18
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| № п/п | Номер патента | Название патента | |||
2017 | |||||
| 1 | 9608735 | MIMO equalization optimized for baud rate clock recovery in coherent DP-QPSK metro systems | |||
| 2 | 9596663 | Method and apparatus for transmitting and receiving training sequence code in communication system | |||
| 3 | 9578681 | Methods and arrangements for a low power device in wireless networks | |||
| 4 | 9572140 | Method and device for transmitting uplink control information in wireless communication system | |||
| 5 | 9571317 | Bandwidth efficient continuous phase modulation | |||
| 6 | 9571308 | High speed transceiver | |||
| 7 | 9571174 | Precoding method, precoding device | |||
| 8 | 9548877 | Digital communication system | |||
| 9 | 9544008 | Integrated circuit | |||
| 10 | 9537513 | Rate adaptive turbo forward error correction | |||
2016 | |||||
| 11 | 9510139 | Phy layer options for body area network (BAN) devices | |||
| 12 | 9510138 | PHY layer parameter for body area network (BAN) devices | |||
| 13 | 9491018 | Carrier phase and amplitude estimation for phase shift keying using pilots and data | |||
| 14 | 9491017 | Circuit and method for improving phase detection | |||
| 15 | 9465097 | Systems and methods for providing ADS-B mode control through data overlay | |||
| 16 | 9455863 | Separating and extracting modulated signals | |||
| 17 | 9455818 | Method and apparatus for signaling to a mobile device which set of training sequence codes to use for a communication link | |||
| 18 | 9438455 | Modulation of signals | |||
| 19 | 9432168 | Method and apparatus for transmitting and receiving channel status information (CSI) for supporting 256QAM in wireless access system | |||
| 20 | 9426014 | Separating and extracting modulated signals | |||
| 21 | 9425777 | Phase interpolator | |||
| 22 | 9423443 | System and method of detecting and locating intermittent and other faults | |||
| 23 | 9419833 | Phase control method, array antenna, and system | |||
| 24 | 9414432 | Physical layer frame format for WLAN | |||
| 25 | 9414323 | Uplink transmission power control in multi-carrier communication systems | |||
| 26 | 9407410 | Method and apparatus for signaling to a mobile device with set of training sequence codes to use for a communication link | |||
| 27 | 9401833 | Method and apparatus for transmitting/receiving signal in wireless communication system | |||
| 28 | 9397802 | Cyclic shift delay techniques for WLAN multi-radio devices | |||
| 29 | 9397740 | Modular antenna array with RF and baseband beamforming | |||
| 30 | 9386055 | Signaling to application lack of requested bandwidth | |||
| 31 | 9385893 | Modular low power serializer-deserializer | |||
| 32 | 9385843 | Method and apparatus for using multiple modulation schemes for a single packet | |||
| 33 | 9385832 | Methodology and method and apparatus for signaling with capacity optimized constellations | |||
| 34 | 9379926 | Modulation technique for transmitting and receiving radio vortices | |||
| 35 | 9379666 | Microwave band booster rectifier circuit, and wireless tag device and wireless tag system employing same | |||
| 36 | 9363124 | Transmission and reception signal processor and method | |||
| 37 | 9356812 | Wireless communication apparatus | |||
| 38 | 9350588 | Receiver for multi carrier modulated signals | |||
| 39 | 9344315 | Transmitting system and receiving system, and transmitting method and receiving method | |||
| 40 | 9344310 | Apparatus and method for performing properrizing frequency shift(p-FRESH) vectorizing | |||
| 41 | 9316722 | Systems and methods for providing ATC overlay protocols | |||
| 42 | 9313061 | Wireless communication system using selective mapping for memory-less demodulation and related methods | |||
| 43 | 9306779 | Chaotic communication systems and methods | |||
| 44 | 9300518 | Pulse radar device and control method therefor | |||
| 45 | 9294382 | Communication device and method for enhancing energy efficiency | |||
| 46 | 9264144 | Transmission and reception of quad-subcarrier orthogonal frequency division multiplexed signals | |||
| 47 | 9261581 | Location system | |||
| 48 | 9258139 | Method for regulating data transmission over a communication channel, corresponding device and computer program product | |||
| 49 | 9237041 | Data reception with feedback equalization for high and low data rates | |||
| 50 | 9231794 | Method and apparatus for multiple antenna communications, computer program product therefor | |||
2015 | |||||
| 51 | 9225407 | Precoding method, precoding device | |||
| 52 | 9219590 | Method for transmitting effective channel status information in wireless communication system supporting multiple carriers | |||
| 53 | 9215665 | Uplink transmission power control in multi-carrier communication systems | |||
| 54 | 9214991 | Method, device, and system for implementing microwave multiple-input multiple-output | |||
| 55 | 9197224 | Circuits and methods for a combined phase detector | |||
| 56 | 9191931 | Method and apparatus for the transmission of a control signal in a radio communication system | |||
| 57 | 9191089 | Control channel information transmission method, and base station and terminal using the same method | |||
| 58 | 9184894 | Method and apparatus for signaling to a mobile device with set of training sequence codes to use for a communication link | |||
| 59 | 9178735 | Phase-modulated on-off keying for millimeter wave spectrum control | |||
| 60 | 9173197 | Method and apparatus for signaling to a mobile device which set of training sequence codes to use for a communication link | |||
| 61 | 9172445 | Multi-user multiple input multiple output radio communications | |||
| 62 | 9166850 | Data retransmission request device, a data transmitter, and a data retransmission method for multi-tone systems | |||
| 63 | 9166707 | Transmitter, signal generation device, calibration method, and signal generation method | |||
| 64 | 9160602 | Method of improving performance in a hierarchical modulation system | |||
| 65 | 9154350 | PHY layer options for body area network (BAN) devices | |||
| 66 | 9154349 | Wireless transmitter for high mobility and high throughput and mode control method thereof | |||
| 67 | 9148316 | Decision feedback equalizer | |||
| 68 | 9131507 | Method and apparatus for receiving signals | |||
| 69 | 9130712 | Physical channel segmentation in wireless communication system | |||
| 70 | 9118525 | Receiver for sideband mitigation communication systems and methods for increasing communication speeds, spectral efficiency and enabling other benefits | |||
| 71 | 9118471 | Method and arrangement in a telecommunication system | |||
| 72 | 9112595 | Transmission device, reception device, and radio communication method | |||
| 73 | 9112560 | Control channel information transmission method, and base station and terminal using the same method | |||
| 74 | 9107087 | Method and device for determining channel quality indication information | |||
| 75 | 9106502 | Apparatus, system and method of in-phase/quadrature (I/Q) imbalance compensation | |||
| 76 | 9106314 | Concurrent multiband transceiver | |||
| 77 | 9100963 | Time slot sharing in TDMA communication system | |||
| 78 | 9094199 | Method and arrangement in a telecommunication system | |||
| 79 | 9094198 | Method and arrangement in a telecommunication system | |||
| 80 | 9088395 | Transmitter and method for transmitting data block in wireless communication system | |||
| 81 | 9083593 | Method and system for multiple training sequences for peak-to-average power ratio reduction in precoded bursts | |||
| 82 | 9069058 | Location system | |||
| 83 | 9065707 | Polarization-independent LCOS device | |||
| 84 | 9065623 | Mixed mapping for rate compatible trellis coded modulation | |||
| 85 | 9059790 | Ultra-wide band communication apparatus and method | |||
| 86 | 9059751 | Systems and methods for multiplicative superposition for MIMO broadcast channels | |||
| 87 | 9025715 | Systems and methods for compensating a phase of a local clock of a storage device | |||
| 88 | 9008212 | High data rate millimeter wave radio | |||
| 89 | 9008199 | Advanced MIMO interleaving | |||
| 90 | 9001948 | Pulse shaping in a communication system | |||
| 91 | 8953669 | Decision feedback equalizer | |||
2014 | |||||
| 92 | 8879661 | Signal processing apparatus, transmitter, receiver and method | |||
| 93 | 8861636 | Coherent detection using coherent decoding and interleaving | |||
| 94 | 8824589 | Method, apparatus, and system for microwave signal correction | |||
| 95 | 8804868 | System and method for sending and receiving a digital signal over a radio pathway | |||
| 96 | 8737517 | Scrambling and modulation to constrain the constellation size of ACK/NAK transmission on the data channel | |||
| 97 | 8681914 | Clock offset compensator | |||
2013 | |||||
| 98 | 8619895 | Apparatus and method for transmitting/receiving broadcast data in digital broadcasting system | |||
| 99 | 8576897 | Receiver | |||
| 100 | 8553748 | ADC clock selection based on determined maximum conversion rate | |||
| 101 | 8488503 | Magnetic field communication method for managing node with low power consumption | |||
| 102 | 8416846 | Systems, circuits and methods for adapting taps of a decision feedback equalizer in a receiver | |||
| 103 | 8401099 | Method of transmitting control signal in wireless communication system | |||
| 104 | 8391410 | Methods and apparatus for configuring a pilot symbol in a wireless communication system | |||
| 105 | 8363747 | Compress-forward coding with N-PSK modulation for the half-duplex gaussian relay channel | |||
2012 | |||||
| 106 | 8340215 | Radio transceiver architectures and methods | |||
| 107 | 8331479 | Method, apparatus, and system for microwave signal correction | |||
| 108 | 8290030 | Micro-controller with FSK modem | |||
| 109 | 8270522 | Joint channel estimation and modulation detection | |||
| 110 | 8270511 | Methodology and method and appartus for signaling with capacity optimized constellations | |||
| 111 | 8259838 | Signal transmission system for transmitting transmission signals via a transmission line including transmission conductors | |||
| 112 | 8243756 | Methods, computer program products and apparatus providing improved quantization | |||
| 113 | 8194793 | Multi-stage frequency offset estimation and compensation method and its circuit | |||
| 114 | 8126082 | Gain weighted code combining system and method for combining BPSK codes | |||
2011 | |||||
| 115 | 8014462 | Apparatus for performing alternating quadratures differential binary phase shift keying modulation and demodulation | |||
| 116 | 7986728 | Equalizer with combined CCK encoding-decoding in feedback filtering of decision feedback equalizer | |||
| 117 | 7953184 | Direct sampling type wireless receiver and method using the same | |||
| 118 | 7929595 | Estimating frequency offset at a subscriber station receiver | |||
2010 | |||||
| 119 | 7844011 | Apparatus and method for improving symbol error rate performance of M-ary phase shift keying system having quadrature error | |||
| 120 | 7792209 | Digital DPSK demodulation method and system | |||
| 121 | 7756213 | Method for enhancing bluetooth transmission speed and robustness of emitting end and receiving end of communication system | |||
| 122 | 7746943 | Wireless communication system, wireless communication apparatus and wireless communication method | |||
| 123 | 7738586 | Wireless communication device and method for reducing in-band interference in a GPS receiver | |||
| 124 | 7738579 | Systems and methods for adaptive bit loading in a multiple antenna orthogonal frequency division multiplexed communication system | |||
| 125 | 7668256 | Method and apparatus for the generation and detection of optical differential varied-multilevel phase-shift keying with pulse amplitude modulation (ODVMPSK/PAM) signals | |||
| 126 | 7649956 | Modulation and demodulation system, modulator, demodulator and phase modulation method and phase demodulation method used therefor | |||
2009 | |||||
| 127 | 7639444 | Real-time channel adaptation | |||
| 128 | 7636386 | Method of continuously calibrating the gain for a multi-path angle modulator | |||
| 129 | 7539266 | Phase shift keying wireless communication apparatus and method | |||
| 130 | 7539265 | Multiple-input multiple-output code division multiple access (MIMO-CDMA) wireless communication equipment | |||
| 131 | 7539253 | Interpolation in channel state feedback | |||
| 132 | 7529314 | Carrier phase detector | |||
| 133 | 7512188 | Phase shift keying signaling for integrated circuits | |||
2008 | |||||
| 134 | 7460593 | Signal processing device capable of enhancing correctness of feedback signals | |||
| 135 | 7443921 | Mobile body communication apparatus | |||
| 136 | 7436902 | Multi-dimensional space Gray code maps for multi-dimensional phase modulation as applied to LDPC (Low Density Parity Check) coded modulation | |||
| 137 | 7382827 | Computation of decision feedback equalizer coefficients with constrained feedback tap energy | |||
| 138 | 7359457 | Transmission apparatus, reception apparatus and digital radio communication method | |||
2007 | |||||
| 139 | 7269229 | Reduced memory architecture for edge modulator | |||
| 140 | 7239668 | Coded digital modulation method for communication system | |||
| 141 | 7190735 | Generating two signals having a mutual phase difference of 90.degree. | |||
| 142 | 7180964 | Constellation manipulation for frequency/phase error correction | |||
2006 | |||||
| 143 | 7123663 | Coded digital modulation method for communication system | |||
| 144 | 7106803 | Phase shift keying wireless communication apparatus and method | |||
| 145 | 7092438 | Multilevel decision feedback equalizer | |||
| 146 | 7085331 | Apparatus and method for processing data using COPSK of wireless communication system | |||
| 147 | 7035329 | Soft slicer in a hybrid decision feedback equalizer | |||
2005 | |||||
| 148 | 6963732 | Subsampling communication receiver architecture with relaxed IFA readout timing | |||
| 149 | 6956908 | Technique to simultaneously distribute clock signals and data on integrated circuits, interposers, and circuit boards | |||
| 150 | 6931240 | System and method for eliminating signal zero crossings in single and multiple channel communication systems | |||
| 151 | 6919829 | Bit swapping for different interleaving depths | |||
| 152 | 6882694 | Apparatus, and associated method, for estimating frequency offset of a data symbol communicated in a communication system | |||
| 153 | 6876708 | Method and apparatus for demodulation of phase shift keyed signals | |||
| 154 | 6867719 | Digitizer module, a waveform generating module, a converting method, a waveform generating method and a recording medium for recording a program thereof | |||
2004 | |||||
| 155 | 6836227 | Digitizer module, a waveform generating module, a converting method, a waveform generating method and a recording medium for recording a program thereof | |||
| 156 | 6826371 | Variable rate DPSK system architecture | |||
| 157 | 6823488 | Packet binary convolutional codes | |||
| 158 | 6807238 | Method and apparatus for decoding M-PSK turbo code using new approximation technique | |||
| 159 | 6801589 | Relative timing acquisition for a radio communications system | |||
| 160 | 6788728 | System and method for reducing peak-to-average ratio of the reverse link modulator in a CDMA phone system | |||
| 161 | 6784817 | Data generating method, data generator, and transmitter using the same | |||
| 162 | 6757334 | Bit rate agile third-generation wireless CDMA, GSM, TDMA and OFDM system | |||
| 163 | 6735258 | Moderate rate phase shift keying codec | |||
| 164 | 6735028 | Method and apparatus for increasing data storage capacity via phase and amplitude modulation | |||
| 165 | 6731679 | Modulator/demodulator and method of modulation/demodulation used for same | |||
| 166 | 6728467 | Communication system | |||
| 167 | 6724976 | Communication system | |||
2003 | |||||
| 168 | 6665348 | System and method for interoperable multiple-standard modulation and code selectable Feher's GMSK, enhanced GSM, CSMA, TDMA, OFDM, and third-generation CDMA, W-CDMA and B-CDMA | |||
| 169 | 6650714 | Spatial processing and timing estimation using a training sequence in a radio communications system | |||
| 170 | 6628955 | System and method for increasing the data rate for cellular digital packet data (CDPD) services | |||
| 171 | 6618450 | Receiving apparatus and receiving method | |||
| 172 | 6614853 | Method of transmission and device to carry out said method | |||
| 173 | 6608874 | Method and apparatus for quadrature multi-pulse modulation of data for spectrally efficient communication | |||
| 174 | 6590942 | Least squares phase fit as frequency estimate | |||
| 175 | 6567475 | Method and system for the transmission, reception and processing of 4-level and 8-level signaling symbols | |||
| 176 | 6567474 | Digital wireless phone/modem jack capable of communications over the power lines using differential binary phase shift keying (DBPSK) | |||
| 177 | 6549716 | Communication system | |||
| 178 | 6549588 | Communications system and corresponding receiver unit | |||
| 179 | 6539052 | System for accelerating the reconfiguration of a transceiver and method therefor | |||
| 180 | 6535562 | Method and apparatus for rotating the phase of a complex signal | |||
| 181 | 6535497 | Methods and systems for multiplexing of multiple users for enhanced capacity radiocommunications | |||
| 182 | 6532253 | Spread spectrum systems with trellis-coded modulation | |||
2002 | |||||
| 183 | 6498818 | Method and system for transmitting information by means of phase modulation | |||
| 184 | 6493398 | Burst mode digital communications system | |||
| 185 | 6480503 | Turbo-coupled multi-code multiplex data transmission for CDMA | |||
| 186 | 6473506 | Signaling using phase rotation techniques in a digital communications system | |||
| 187 | 6470055 | Spectrally efficient FQPSK, FGMSK, and FQAM for enhanced performance CDMA, TDMA, GSM, OFDN, and other systems | |||
| 188 | 6445745 | Phase encoding methods for handling multiple phase modulated signals on a single channel | |||
| 189 | 6434200 | TCM revisiting system and method | |||
| 190 | 6424690 | Two-thirds rate modulation and coding scheme for Rayleigh fading channels | |||
| 191 | 6424685 | Polar computation of branch metrics for TCM | |||
| 192 | 6421400 | System and method using polar coordinate representation for quantization and distance metric determination in an M-PSK demodulator | |||
| 193 | 6421393 | Technique to transfer multiple data streams over a wire or wireless medium | |||
| 194 | 6389081 | Signal transmission equipment | |||
| 195 | 6389078 | Configurable circuits for field programmable radio frequency communications equipment and methods therefor | |||
| 196 | 6381265 | Field programmable modulator-demodulator arrangement for radio frequency communications equipment and method therefor | |||
| 197 | 6366625 | Control information assigning method, control method, transmitting method, receiving method, transmitter and receiver | |||
| 198 | 6359897 | Control system for controlling the processing data of a first in first out memory and method therefor | |||
| 199 | 6353640 | Reconfigurable radio frequency communication system | |||
| 200 | 6339624 | Trellis decoding with multiple symbol noncoherent detection and diversity combining | |||
2001 | |||||
| 201 | 6329905 | Power line communication system and method | |||
| 202 | 6320914 | Spectrally efficient modulation using overlapped GMSK | |||
| 203 | 6304614 | Differential codec for pragmatic PSK TCM schemes | |||
| 204 | 6301308 | System and method for high speed data transmission | |||
| 205 | 6301306 | Method and apparatus for generating a short-range wireless data communication link | |||
| 206 | 6292654 | Digital noise blanker for communications systems and methods therefor | |||
| 207 | 6289487 | Efficient modified viterbi decoder | |||
| 208 | 6272186 | Normal burst acquisition system for use in a cellular communications network | |||
| 209 | 6266365 | CDMA receiver | |||
| 210 | 6259744 | Method and apparatus for mapping bits to an information burst | |||
| 211 | 6256357 | Communication system | |||
| 212 | 6246697 | Method and system for generating a complex pseudonoise sequence for processing a code division multiple access signal | |||
| 213 | 6215813 | Method and apparatus for encoding trellis coded direct sequence spread spectrum communication signals | |||
| 214 | 6198908 | System and a method for transfer of a digital information carrying signal | |||
| 215 | 6198777 | Feher keying (KF) modualtion and transceivers including clock shaping processors | |||
2000 | |||||
| 216 | 6157681 | Transmitter system and method of operation therefor | |||
| 217 | 6131180 | Trellis coded modulation system | |||
| 218 | 6118827 | Apparatus for providing increased data rates within existing modulation systems | |||
| 219 | 6112180 | Data transmission and reception methods and data transmission and reception apparatus | |||
| 220 | 6091765 | Reconfigurable radio system architecture | |||
| 221 | 6078625 | Pragmatic decoder and method therefor | |||
| 222 | 6075810 | NRZ and biphase-L formatted hexaphase modulated GPS transmission method | |||
| 223 | 6072829 | Method of higher value step encoding | |||
| 224 | 6061408 | Method and apparatus for 45.degree. phase ambiguity resolution for one coded bit per symbol 8PSK modulation | |||
| 225 | 6049651 | Communication system | |||
| 226 | 6031474 | Half rate coded modulation schemes for Rayleigh fading channels | |||
| 227 | 6025946 | Transmission device and transmission method | |||
1999 | |||||
| 228 | 5999569 | Communication system | |||
| 229 | 5995551 | Rotationally invariant pragmatic trellis coded digital communication system and method therefor | |||
| 230 | 5982807 | High data rate spread spectrum transceiver and associated methods | |||
| 231 | 5974090 | Special eye pattern and modulation and demodulation method using the same | |||
| 232 | 5960029 | Coherent dual-channel QPSK modulator/demodulator for CDMA systems, and modulating/demodulating methods therefor | |||
| 233 | 5956328 | Spread spectrum communications system | |||
| 234 | 5953377 | Coded modulation using repetition and tree codes | |||
| 235 | 5946356 | Method and apparatus for data transmission within a broad-band communications system | |||
| 236 | 5910967 | Pragmatic encoder and method therefor | |||
| 237 | 5909435 | Wideband code-division multiple access system and method | |||
| 238 | 5903555 | Modulation method and system using constant envelope ODSCDMA with low out-of-band emissions for non-linear amplification | |||
| 239 | 5898738 | Modulation, demodulation and antenna coupling circuits used in IC card reading/writing apparatus, and method of supplying power to the IC card | |||
| 240 | 5892879 | Communication system for plural data streams | |||
| 241 | 5878085 | Trellis coded modulation communications using pilot bits to resolve phase ambiguities | |||
| 242 | 5864588 | Communications device | |||
| 243 | 5864585 | Cosine segment communications system | |||
| 244 | 5862175 | Digital transmission apparatus using differential coding and forward error correction | |||
| 245 | 5862174 | Data storage medium | |||
1998 | |||||
| 246 | 5854808 | Methods and apparatus for detecting the presence of a prescribed signal in a channel of a communications system | |||
| 247 | 5835042 | Signal transmission method and signal transmission apparatus | |||
| 248 | 5828676 | Method and apparatus for robust communication based upon angular modulation | |||
| 249 | 5825812 | Suppressed side lobe direct-sequence-spread-spectrum radio communication method and device | |||
| 250 | 5819000 | Magnetic recording and playback apparatus | |||
| 251 | 5815529 | Transmission system for digital audio broadcasting that incorporates a rotator in the transmitter | |||
| 252 | 5802241 | Communication system | |||
| 253 | 5802079 | Transmission system for digital audio broadcasting | |||
| 254 | 5784366 | Wideband code-division-multiple access system and method | |||
| 255 | 5769876 | Method and apparatus for telemetering data bidirectionally between two devices, one device incorporating a coarse phase adjustment and the other device incorporating a fine phase adjustment | |||
| 256 | 5757856 | Differential coder and decoder for pragmatic approach trellis-coded 8-PSK modulation | |||
| 257 | 5719902 | Methods and apparatus for detecting cellular digital packet data (CDPD) | |||
1997 | |||||
| 258 | 5703911 | Decoding method for trellis codes with large free distances | |||
| 259 | 5696792 | Digital radiocommunication terminal | |||
| 260 | 5675609 | Sinusoidal pulse and pulse train signaling apparatus | |||
| 261 | 5671254 | Modulation, demodulation and antenna coupling circuits used in IC card reading/writing apparatus, and method of supplying power to the IC card | |||
| 262 | 5661750 | Direct sequence spread spectrum system | |||
| 263 | 5661718 | Simultaneous analog and digital communication | |||
| 264 | 5657354 | Planar approximating method for computing the log-likelihood ratio optimal signal metric of each component code decoder in 8-PSK block coded modulation systems | |||
| 265 | 5642384 | Trellis coded modulation scheme with low envelope variation for mobile radio by constraining a maximum modulus of a differential phase angle | |||
| 266 | 5642380 | Data communication system and modem therefor | |||
| 267 | 5623518 | Method and circuit arrangement for transmitting binary data trains | |||
| 268 | 5610946 | Radio communication apparatus | |||
| 269 | 5602669 | Digital signal transmission apparatus, digital signal transmission method, and digital signal transmitter-receiver | |||
| 270 | 5600672 | Communication system | |||
1996 | |||||
| 271 | 5587797 | Process for encoding and transmitting information | |||
| 272 | 5581368 | Data-reducing coding method for transmitting information from a transmitter to a receiver | |||
| 273 | 5577066 | Charge-coupled-device based data-in-voice modem | |||
| 274 | 5576835 | Method for run-length coding for shortening transmission time | |||
| 275 | 5574750 | Methods and apparatus for detecting a cellular digital packet data (CDPD) carrier | |||
| 276 | 5570394 | Signal transmission system | |||
| 277 | 5570391 | Trellis coding method using a multilevel delay device | |||
| 278 | 5561689 | Method and apparatus for digital carrier detection in a wireless lan | |||
| 279 | 5559828 | Transmitted reference spread spectrum communication using a single carrier with two mutually orthogonal modulated basis vectors | |||
| 280 | 5555547 | Convolutional coding and viterbi decoding system transparent to phase skips of .pi. and .pi./2, with applications in TDMA transmission | |||
| 281 | 5555275 | Multi-threshold and hierarchical television signal transmission system | |||
| 282 | 5548615 | Methods and apparatus for rotationally invariant multilevel coding | |||
| 283 | 5537436 | Simultaneous analog and digital communication applications | |||
1995 | |||||
| 284 | 5473290 | Variable-throughput digital modulator and its use in FM radio broadcasting | |||
| 285 | 5469452 | Viterbi decoder bit efficient chainback memory method and decoder incorporating same | |||
| 286 | 5465267 | Error-correcting tandem encoding system | |||
| 287 | 5454012 | Digital signal transmission device for improvement of anti-multipath feature, a method of the same and digital signal transmission waveform | |||
| 288 | 5448555 | Simultaneous analog and digital communication | |||
| 289 | 5448206 | Systems with increased information rates using embedded sample modulation and predistortion equalization | |||
| 290 | 5438592 | PI/4-DQPSK phase state encoder/decoder | |||
| 291 | 5428631 | Method and apparatus for resolving phase ambiguities in trellis coded modulated data | |||
| 292 | 5416804 | Digital signal decoder using concatenated codes | |||
| 293 | 5406629 | Apparatus and method for digitally processing signals in a radio frequency communication system | |||
| 294 | 5404127 | Power line communication while avoiding determinable interference harmonics | |||
| 295 | 5394439 | Bisdn compatible modem codec for digital information communication system | |||
1994 | |||||
| 296 | 5351272 | Communications apparatus and method for transmitting and receiving multiple modulated signals over electrical lines | |||
| 297 | 5315622 | Data circuit terminating equipment (DCE) including timing arrangements circuits controlled by processing means | |||
| 298 | 5311553 | Trellis coding technique to increase adjacent channel interference protection ratio in land mobile radio systems under peak power constraints | |||
| 299 | 5311552 | Trellis coding technique to improve adjacent channel interference protection ratio in land mobile radio systems | |||
| 300 | 5301364 | Method and apparatus for digital automatic gain control in a receiver | |||
| 301 | 5301209 | Multidimensional trellis-coded modulation for fading channels | |||
| 302 | 5295160 | Apparatus for FM-modulation of digital signals | |||
| 303 | 5289501 | Coded modulation with unequal error protection for fading channels | |||
| 304 | 5285458 | System for suppressing spread of error generated in differential coding | |||
| 305 | 5276685 | Digital automatic gain control | |||
1993 | |||||
| 306 | 5271043 | Device and method for the data transmission or storage optimizing the use of the pass-band | |||
| 307 | 5251235 | Single receiver for receiving wireless transmission of signals is for use with a serial two-conductor data bus | |||
| 308 | 5245633 | System for transmitting digital data over an electricity power line | |||
| 309 | 5233630 | Method and apparatus for resolving phase ambiguities in trellis coded modulated data | |||
| 310 | 5233349 | Transmission and decoding of tree-encoded parameters of analogue signals | |||
| 311 | 5216694 | Trellis coding for fractional bits | |||
| 312 | 5189564 | Magnetic recording/reproducing method and apparatus | |||
1992 | |||||
| 313 | 5157694 | Coherent PSK demodulator using bit error rate and S/N ratio to establish synchronization | |||
| 314 | 5151925 | Coherent demodulation method for a digitally modulated signal having a continuous phase and a constant envelope | |||
| 315 | 5136616 | Method of rapidly controlling the frequency of a coherent radio receiver and apparatus for carrying out the method | |||
| 316 | 5128933 | Process and device for the radio transmission of coded data superimposed on a traditional frequency-modulated broadcast | |||
| 317 | 5117427 | Communication system with concatenated coding error correction | |||
| 318 | 5103463 | Method and system for encoding and decoding frequency shift keying signals | |||
| 319 | 5093848 | Method of controlling the frequency of a coherent radio receiver and apparatus for carrying out the method | |||
| 320 | 5084901 | Sequential chirp modulation-type spread spectrum communication system | |||
1991 | |||||
| 321 | 5056112 | Interleaving in coded modulation for mobile radio | |||
| 322 | 5050188 | Method and apparatus for transmitting coded information | |||
| 323 | 5048057 | Wireless local area network | |||
| 324 | 5029185 | Coded modulation for mobile radio | |||
| 325 | 5023889 | Trellis coded multilevel DPSK system with doppler correction for mobile satellite channels | |||
| 326 | 5014283 | Arrangement for equalizing and demodulating binary continuous-phase angle-modulated data signals with modulation index 0.5 | |||
| 327 | 4996503 | Phase modulator circuit for encoding two binary digits per cycle of sine wave carrier | |||
1990 | |||||
| 328 | 4965810 | Digital differential phase-shift keyed decoder | |||
| 329 | 4945549 | Trellis coded modulation for transmission over fading mobile satellite channel | |||
| 330 | 4942592 | Synchronous receiver for minimum shift keying transmission | |||
| 331 | 4937586 | Radio broadcast communication systems with multiple loop antennas | |||
| 332 | 4922507 | Multiple trellis coded modulation | |||
| 333 | 4922209 | Clock recovery device | |||
| 334 | 4922206 | Method of demodulation using split delay line | |||
| 335 | 4901319 | Transmission system with adaptive interleaving | |||
1989 | |||||
| 336 | 4881246 | Method and apparatus for demodulating a class of M-ary phase shift keyed (PSK) signals | |||
| 337 | 4881245 | Improved signalling method and apparatus | |||
| 338 | 4879756 | Radio broadcast communication systems | |||
| 339 | 4849706 | Differential phase modulation demodulator | |||
| 340 | 4847868 | Non-coherent pattern detection | |||
| 341 | 4841470 | Surface acoustic wave device for differential phase shift keying convolving | |||
| 342 | 4835792 | Universal FM receiver for mobile communications | |||
| 343 | 4829566 | Apparatus for detecting and discriminating phase jumps in a periodic signal and its application to a telephone tone signal with phase inversions | |||
| 344 | 4821291 | Improvements in or relating to signal communication systems | |||
| 345 | 4807253 | Time-varying trellis-coded modulation formats which are robust in channels with phase variations | |||
| 346 | 4800576 | Convolution data recovery circuit | |||
1988 | |||||
| 347 | 4794621 | Apparatus for transmitting information by angle modulation | |||
| 348 | 4787096 | Second-order carrier/symbol sychronizer | |||
| 349 | 4785468 | Intermittent receiver | |||
| 350 | 4773083 | QPSK demodulator | |||
| 351 | 4756009 | Method for transmitting digital data | |||
| 352 | 4746872 | Differential phase shift keying demodulator | |||
| 353 | 4731798 | Method for transmitting information, in which the signals are coded as amplitudes of the half-waves or periods of a sinusoidal alternating current | |||
1987 | |||||
| 354 | 4715047 | Digital differential phase shift keyed demodulator | |||
| 355 | 4714892 | Differential phase shift keying demodulator | |||
| 356 | 4706300 | Optical heterodyne detection pulse receiving system and method | |||
| 357 | 4696056 | Frequency converting circuit | |||
| 358 | 4691318 | Data transmission system with error correcting data encoding | |||
| 359 | 4682343 | Processing circuit with asymmetry corrector and convolutional encoder for digital data | |||
| 360 | 4680778 | Fast acquisition circuit for synchronous digital receiver operating in wideband noise | |||
| 361 | 4675881 | Arrangement for recovering a clock signal from an angle-modulated carrier signal having a modulation index m=0.5 | |||
| 362 | 4669095 | Maximum distance from zero crossing MSK demodulator | |||
| 363 | 4667334 | System for broadcasting data packets originating from different sources | |||
| 364 | 4656648 | Process for the noncoherent demodulation of a digital signal | |||
| 365 | 4647863 | Saw transition detector for PSK signals | |||
| 366 | 4634990 | Apparatus for demodulating differential phase shift keyed signals | |||
1986 | |||||
| 367 | 4628271 | Differential phase shift keying demodulator | |||
| 368 | 4622683 | Fast acquisition ringing filter MSK demodulator | |||
| 369 | 4618830 | PSK demodulator using asynchronous local oscillator | |||
| 370 | 4617678 | Apparatus for detecting and recovering binary data from an input signal | |||
| 371 | 4614910 | Quarternary differential PSK demodulator | |||
| 372 | 4608540 | Phase-shift keying demodulator | |||
| 373 | 4603393 | Demodulator for constant envelope and continuous phase signals which are angle modulated by a train of binary symbols | |||
| 374 | 4592009 | MSK surface acoustic wave convolver | |||
| 375 | 4584692 | Data transmitting-receiving system | |||
| 376 | 4583047 | Reception circuit for a wave modulated at one time in frequency by an analog signal and at another time in phase by a digital signal | |||
| 377 | 4575684 | Differential phase shift keying receiver | |||
| 378 | 4570125 | FSK Demodulator with concurrent carrier and clock synchronization | |||
| 379 | 4569061 | Phase distortion adaptive detector of minimum shift keying data | |||
1985 | |||||
| 380 | 4554509 | Frequency shift keyed demodulation system | |||
| 381 | 4539524 | Method and coherent demodulators for MSK signal | |||
| 382 | 4523323 | Digital signal communication system for multi-level modulation including unique encoder and decoder | |||
| 383 | 4514825 | High speed digital modem | |||
| 384 | 4501002 | Offset QPSK demodulator and receiver | |||
1984 | |||||
| 385 | 4471313 | Demodulator for phase difference demodulated signals | |||
| 386 | 4445094 | SMSK And MSK demodulator | |||
| 387 | 4438524 | Receiver for angle-modulated carrier signals | |||
1983 | |||||
| 388 | 4416016 | Differential phase shift keyed receiver | |||
| 389 | 4414675 | MSK and OK-QPSK signal demodulator | |||
| 390 | 4384357 | Self-synchronization circuit for a FFSK or MSK demodulator | |||
| 391 | 4380081 | Digital receiver for four-phase-modulated carrier | |||
| 392 | 4379266 | PSK Demodulator with automatic compensation of delay induced phase shifts | |||
| 393 | 4373151 | Stochastic demodulator for phase jump-modulated signals, operating in time divided up over several channels | |||
| 394 | 4371839 | Differentially coherent signal detector | |||
1982 | |||||
| 395 | 4362997 | Quadriphase differential demodulator | |||
| 396 | 4359692 | Rapid acquisition shift keyed signal demodulator | |||
| 397 | 4324001 | Synchronizer for MSK burst communications | |||
| 398 | 4320345 | Adaptive differential PSK demodulator | |||
1981 | |||||
| 399 | 4301417 | Quadriphase differential demodulator | |||
| 400 | 4270206 | Transceiver for phase-shift modulated carrier signals | |||
| 401 | 4246653 | In-phase quadrature demodulator for CPSK signals | |||
| 402 | 4245215 | Power line signalling system | |||
1980 | |||||
| 403 | 4242641 | Methods and apparatus for demodulating a differentially phase-modulated signal | |||
| 404 | 4233565 | Method and apparatus for a PSK signal detector | |||
| 405 | 4225964 | Detection means for providing multiple baud values per individual baud period of a carrier signal to obviate baud timing ambiguities | |||
| 406 | 4222035 | Multiplex system having digital coded power line signals | |||
| 407 | 4218769 | Means for subdividing a baud period into multiple integration intervals to enhance digital message detection | |||
| 408 | 4216543 | Means for deriving baud timing from an available AC signal | |||
| 409 | 4211996 | Error correction system for differential phase-shift-keying | |||
| 410 | 4199809 | Programmable data terminal set | |||
| 411 | 4182988 | PCM channel monitoring system for detecting errors using single parity bit | |||
| 412 | 4181967 | Digital apparatus approximating multiplication of analog signal by sine wave signal and method | |||
1979 | |||||
| 413 | 4146841 | Technique for combatting jitter in multiple phase transmission system | |||
1978 | |||||
| 414 | 4131882 | Digital two-wire irrigation control system with feedback | |||
| 415 | 4128828 | Differential detection systems with non-redundant error correction | |||
| 416 | 4101834 | Methods and apparatus for rejection of interference in a digital communications system | |||
| 417 | 4096442 | Crosstalk corrector and decision device for FSK | |||
| 418 | 4088957 | Method and apparatus for synchronously detecting a differentially encoded carrier signal | |||
| 419 | 4077021 | Method and arrangement for coding binary signals and modulating a carrier signal | |||
| 420 | 4072905 | Wide acquisition range MSK demodulator input circuit | |||
1977 | |||||
| 421 | 4057759 | Communication receiving apparatus | |||
| 422 | 4054841 | Differential demodulators using surface elastic wave devices | |||
| 423 | 4042884 | Phase demodulator with offset frequency reference oscillator | |||
| 424 | 4032847 | Distortion adapter receiver having intersymbol interference correction | |||
| 425 | 4028490 | MSK digital data synchronization detector | |||
| 426 | 4020283 | MSK digital data synchronization detector | |||
| 427 | 4019149 | Correlative data demodulator | |||
| 428 | 4007331 | Apparatus for demodulation of relative phase modulated binary data | |||
| 429 | 4007330 | Method and apparatus for demodulation of relative phase modulated binary data | |||
| 430 | 4006418 | Quaternary phase-shift keying with time delayed channel | |||
| 431 | 4004100 | Group frame synchronization system | |||
1976 | |||||
| 432 | 3997847 | Digital demodulator for differentially encoded phase-shift-keyed data | |||
| 433 | 3992617 | Chopping correlator for a MSK data signal | |||
| 434 | 3990015 | Differential phase shift keyed detector utilizing a circulating memory | |||
| 435 | 3983495 | Digital waveform generator | |||
| 436 | 3980962 | Demodulators | |||
| 437 | 3956623 | Digital phase detector | |||
| 438 | 3944939 | Demodulator assembly for trains with differential phase modulation | |||
| 439 | 3941929 | Transcoder for digital differential phase modulation | |||
| 440 | 3938052 | Digital demodulator for phase-modulated waveforms | |||
| © 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017 | |||||