| Patents for H04L 27 - Modulated-carrier systems (89,721) |
|---|
| 12/22/1999 | EP0965210A1 System and method for transmitting special marker symbols |
| 12/22/1999 | EP0965209A2 Digital information transmission system, corresponding process and devices |
| 12/22/1999 | EP0965208A2 Demodulation unit and method of demodulating a quadrature signal |
| 12/22/1999 | EP0965188A1 Method and apparatus for generating complex four-phase sequences for a cdma communication system |
| 12/22/1999 | EP0949576B1 Data carrier and method for wireless reception of data and energy |
| 12/22/1999 | CN1239625A Method of operating channel equalizer in receiver for DTV signals subject to co-channel NTSC interference |
| 12/22/1999 | CN1239622A AFC circuit, carrier reproducing circuit, and receiver |
| 12/22/1999 | CN1239621A Modulator/demodulator and modulation/demodulation method |
| 12/22/1999 | CN1239615A Method and appts. for generating complex four-phase sequences for CDMA communication system |
| 12/22/1999 | CN1239384A Radio selective call receiver |
| 12/22/1999 | CN1239367A Radio signal receiving apparatus and method of radio signal reception |
| 12/22/1999 | CN1239366A Modulation apparatus and method using zero-crossing detection |
| 12/22/1999 | CN1239365A Digital QAM modulator using post filtering carrier recombination |
| 12/22/1999 | CN1239350A Load regulation technique and its communication method |
| 12/22/1999 | CN1047707C FSK key control receiver |
| 12/21/1999 | US6006082 FM demodulating device using an extended kalman filter |
| 12/21/1999 | US6005897 Data communication system and method therefor |
| 12/21/1999 | US6005896 Radio data communication device and radio data communication method |
| 12/21/1999 | US6005893 Reduced complexity bit allocation to subchannels in a multi-carrier, high speed data transmission system |
| 12/21/1999 | US6005889 Pseudo-random noise detector for signals having a carrier frequency offset |
| 12/21/1999 | US6005876 Method and apparatus for mobile data communication |
| 12/21/1999 | US6005840 Complementary encoding and modulation system for use in an orthogonal frequency division multiplexing transmitter system and method thereof |
| 12/21/1999 | US6005640 Multiple modulation format television signal receiver system |
| 12/21/1999 | US6005477 Method and apparatus for information transmission via power supply lines |
| 12/21/1999 | CA2188790C Data communications device to selectively operate as an analog modem, a digital modem, and a terminal adapter |
| 12/21/1999 | CA2155655C Adaptive coherent signal detection method and apparatus |
| 12/21/1999 | CA2097693C System and method for calculating a state transition metric in a viterbi equalizer |
| 12/16/1999 | WO1999065199A1 Method and apparatus for compensation of electro-magnetic distortion |
| 12/16/1999 | WO1999065182A2 Method of selecting synchronization pattern from a test signal |
| 12/16/1999 | WO1999065180A2 Burst structure for multicarrier transmission, and synchronization of burst, symbols and frequency |
| 12/16/1999 | WO1999065173A1 Canceller for jamming wave by interference |
| 12/16/1999 | DE19826253A1 Verfahren zur bandbreiteneffizienten Mehrfrequenz-Datenübertragung A method for bandwidth-efficient multi-frequency data transmission |
| 12/16/1999 | CA2333416A1 Method of selecting synchronization pattern from a test signal |
| 12/15/1999 | EP0964555A1 Threshold control and adaptive filtering in CAP receivers |
| 12/15/1999 | EP0964554A1 Sequence estimation method and sequence estimator |
| 12/15/1999 | EP0963643A2 Method and apparatus for analyzing a composite carrier signal |
| 12/15/1999 | EP0963623A1 Phase-shift keying electronic circuit with distributed structure |
| 12/15/1999 | EP0746931A4 Digital demodulator with frequency and timing control |
| 12/15/1999 | EP0709008B1 A method for demodulating a digitally modulated signal and a demodulator |
| 12/15/1999 | CN1238879A Carrier phase synchronization by reverse playback |
| 12/15/1999 | CN1238878A Method in digital quadrature modulator and demodulator,and digital quadrature modulator and demodulator |
| 12/15/1999 | CN1238623A Table-driven modulation signal generation |
| 12/15/1999 | CN1238622A Method and device for digitally demodulating frequency modulated signal |
| 12/15/1999 | CN1238594A AM modulated wave eliminating circuit |
| 12/15/1999 | CN1047489C Digital signal processing equipment of TV. signal processing system |
| 12/14/1999 | US6002923 Signal generation in a communications transmitter |
| 12/14/1999 | US6002729 Method for frame synchronization |
| 12/14/1999 | US6002726 FM discriminator with automatic gain control for digital signal processors |
| 12/14/1999 | US6002725 M-ary FSK receiver |
| 12/14/1999 | US6002724 Transmission apparatus and control method therefor |
| 12/14/1999 | US6002723 Digital receiver having programmable complex threshold detectors and threshold interpreters |
| 12/14/1999 | US6002722 Multimode digital modem |
| 12/14/1999 | US6002721 Carrier frequency estimator for a signal receiver |
| 12/14/1999 | US6002716 Equalizer with extended channel estimation for a receiver in a digital transmission system |
| 12/14/1999 | US6002712 Timing phase control apparatus and timing phase control method |
| 12/14/1999 | US6002711 Spread spectrum communication system for error compensation of carrier frequency |
| 12/14/1999 | US6002304 Data modulation system using digital signal processing |
| 12/09/1999 | WO1999063723A1 Method and apparatus for limiting the amplitude of a transmission signal |
| 12/09/1999 | WO1999063722A1 Demodulation method |
| 12/09/1999 | WO1999063721A1 Symbol synchronizing method |
| 12/09/1999 | WO1999063720A1 A method and a system for carrier frequency recovery |
| 12/09/1999 | WO1999063719A1 Method in a selective call radio for decoding an interleaved data block received as a radio signal |
| 12/09/1999 | WO1999063718A1 Level control and adaptive filtering in cap receivers |
| 12/09/1999 | WO1999063692A1 Device and method for generating and distributing coded symbols in cdma communication system |
| 12/09/1999 | WO1999063691A1 Ofdma signal transmitting apparatus and method |
| 12/09/1999 | WO1999063682A2 Fast acquisition of traffic channels for a highly variable data rate |
| 12/09/1999 | WO1999063673A1 Sequential decoder, and receiver using sequential decoder |
| 12/09/1999 | WO1999063671A1 Apparatus and method for modulation/demodulation with consecutive minimum runlength limitation |
| 12/09/1999 | WO1999063655A1 Methods of suppressing reference oscillator harmonic interference and related receivers |
| 12/09/1999 | WO1999050738A3 Passive data carrier having means for reducing the power consumption |
| 12/09/1999 | DE19839802A1 Amplitude modulated carrier signal generation method for contactless data transmission signals |
| 12/09/1999 | CA2834031A1 Fast acquisition of traffic channels for a highly variable data rate |
| 12/09/1999 | CA2680404A1 Apparatus and method for modulation/demodulation with consecutive minimum runlength limitation |
| 12/08/1999 | EP0963086A2 Error correcting apparatus for dealing with frequency selective noise |
| 12/08/1999 | EP0963085A1 Method of setting adaptive filters in a QAM/CAP system |
| 12/08/1999 | EP0963084A2 Receiver for a digital transmission system |
| 12/08/1999 | EP0963074A2 Estimation of constellation size for adaptive modulation system |
| 12/08/1999 | EP0963073A1 Transmitter and receiver |
| 12/08/1999 | EP0963068A2 Receiver for receiving digital broadcast programmes using the weighted sum of channel impulse response data to adjust the sampling window |
| 12/08/1999 | EP0962083A2 Method and apparatus for detecting corrupt pilots in the reception of orthogonal frequency division multiplex (ofdm) signals |
| 12/08/1999 | EP0962047A1 N-port direct receiver |
| 12/08/1999 | EP0771496B1 Frame synchronization in multicarrier transmission systems |
| 12/08/1999 | EP0667055A4 A method and apparatus for mitigating distortion effects in the determination of signal usability. |
| 12/08/1999 | CN1238086A Method of measuring frequency difference, and receiver |
| 12/08/1999 | CN1238085A Component timing recovery system for QAM |
| 12/08/1999 | CN1238084A A decoding technique for tail biting codes |
| 12/08/1999 | CN1237845A Receiver for digital transmission system |
| 12/08/1999 | CN1237841A Error correcting apparatus for dealing with frequency selective noise |
| 12/08/1999 | CN1237833A Modem |
| 12/07/1999 | USRE36430 Device for the transmission of digital data with at least two levels of protection and corresponding reception device |
| 12/07/1999 | US5999793 Satellite receiver tuner chip with frequency synthesizer having an externally configurable charge pump |
| 12/07/1999 | US5999579 Fading equalizer |
| 12/07/1999 | US5999577 Clock reproducing circuit for packet FSK signal receiver |
| 12/07/1999 | US5999575 Channel separating filter apparatus, PSK demodulator apparatus and PSK receiver apparatus each equipped with channel separating filter apparatus |
| 12/07/1999 | US5999574 Digital filter system, carrier reproduction circuit using the digital filter system, and demodulation circuit using the carrier reproduction circuit |
| 12/07/1999 | US5999570 Transmission apparatus, sending apparatus, and receiving apparatus, and transmission method |
| 12/07/1999 | US5999569 Communication system |
| 12/07/1999 | US5999564 System and method for iteratively determining quantization intervals of a remote ADC and modem employing the same |
| 12/07/1999 | US5999563 Rate negotiation for variable-rate digital subscriber line signaling |
| 12/07/1999 | US5999300 Hybrid single sideband optical modulator |