| Patents for H04L 27 - Modulated-carrier systems (89,721) |
|---|
| 12/18/2002 | CN1386328A Communication apparatus and communication method |
| 12/18/2002 | CN1386019A Phase correcting circuit signal, inding circuit, phase correcting method and signal juding method |
| 12/18/2002 | CN1385980A Method and system for equating mixed time domain and frequency domain of nonsynchronus digit system |
| 12/18/2002 | CN1096794C Method for reducing carrier recovery time in high difinition television receiver |
| 12/18/2002 | CN1096777C 差分检波接收机 Differential detection receiver |
| 12/18/2002 | CN1096768C Method and apparatus for encoding and decoding information in a digital communication system |
| 12/18/2002 | CN1096767C Process for digital frequency correction in multi-carrier transmission process |
| 12/17/2002 | US6496954 Viterbi decoder and viterbi decoding method |
| 12/17/2002 | US6496550 Time interleaved digital signal processing in a read channel with reduced noise configuration |
| 12/17/2002 | US6496549 Method and apparatus for demodulating amplitude-shift keyed data signals |
| 12/17/2002 | US6496547 Digital FM receiver employing combined sample-and-hold and integrate-and-dump detectors for improved bit error rates |
| 12/17/2002 | US6496545 Single side-band mixer |
| 12/17/2002 | US6496542 Digital communication system |
| 12/17/2002 | US6496541 Modulation apparatus/method, demodulation apparatus/method and program presenting medium |
| 12/17/2002 | CA2268854C Kronecker product code acquisition system |
| 12/12/2002 | WO2002100060A1 Doppler spread/velocity estimation in mobile wireless communication devices and methods therefor |
| 12/12/2002 | WO2002100059A2 Combining frequency multiplication and modulation |
| 12/12/2002 | WO2002100031A1 Adaptive coding and modulation |
| 12/12/2002 | WO2002100027A1 Method and apparatus for adaptive signaling and puncturing of a qam communications system |
| 12/12/2002 | WO2002100026A1 Simultaneous transmission of standard 8-vsb and robust 2-vsb (4-vsb) symbols in atsc system |
| 12/12/2002 | WO2002100014A1 Radio communication terminal and demodulation method |
| 12/12/2002 | WO2002100008A1 Dynamic digital communication system control |
| 12/12/2002 | WO2002099989A1 Spread spectrum communication system apparatus |
| 12/12/2002 | WO2002099962A2 Synchronization method and apparatus using a maximum-likelihood principle |
| 12/12/2002 | WO2002091698A8 Adaptive pre-distortion of an amplitude- and frequency- or phase-modulated radio frequency signal generator |
| 12/12/2002 | WO2002062029A3 Compensation method for a transceiver using two-point modulation |
| 12/12/2002 | WO2002031986A3 Generation of wavelets for data transmission |
| 12/12/2002 | WO2002029978A3 Method and apparatus for automatic frequency control in a cdma receiver |
| 12/12/2002 | US20020188908 Forward error correction with channel adaptation |
| 12/12/2002 | US20020186799 Method and apparatus for adjusting the gain of an if amplifier in a communication system |
| 12/12/2002 | US20020186798 Apparatus and method for channel encoding/decoding in a communication system |
| 12/12/2002 | US20020186797 Decoders for many-carrier signals, in particular in DVB-T receivers |
| 12/12/2002 | US20020186796 Method and apparatus for maximizing receiver performance utilizing mid-packet gain changes |
| 12/12/2002 | US20020186795 Digital quadrature signal detecting circuit with simple circuit structure |
| 12/12/2002 | US20020186791 Method and apparatus for a multicarrier receiver circuit with guard interval size detection |
| 12/12/2002 | US20020186790 Digital VSB transmission system |
| 12/12/2002 | US20020186786 Apparatus and method for processing data using COPSK of wireless communication system |
| 12/12/2002 | US20020186784 Method and apparatus for rearranging codeword sequence in a communication system |
| 12/12/2002 | US20020186782 Transmit filter |
| 12/12/2002 | US20020186781 Rapid information transmission method |
| 12/12/2002 | US20020186780 Digital VSB transmission system |
| 12/12/2002 | US20020186778 Method and apparatus for adaptive signaling in a QAM communication system |
| 12/12/2002 | US20020186759 Modems utilizing low density parity check codes |
| 12/12/2002 | US20020186715 Master-slave data transmission in orthogonal frequency-division multiplexing |
| 12/12/2002 | US20020186714 Method of data transmission by orthogonal frequency-division multiplexing |
| 12/12/2002 | US20020186708 Method and apparatus for coherent demodulation in communication system employing a potentially gated pilot signal |
| 12/12/2002 | US20020186651 M-ary orthogonal keying system |
| 12/12/2002 | US20020186650 Equalisation method and device of the GMMSE type |
| 12/12/2002 | US20020186440 Transmitting circuit apparatus and method |
| 12/12/2002 | DE10126110A1 Data communications system uses transmission signal to send defined bit or bit sequence. with amplitude or phase different from amplitude or phase of signal associated with bit or sequence |
| 12/12/2002 | DE10124782A1 Übermittlung und Erkennung der Modulationsart in digitalen Kommunikationssystemen mittels eines der Trainingssequenz aufgeprägten Phasenrotationsfaktors Transmission and detection of the modulation in digital communication systems by means of a the training sequence imposed phase rotation factor |
| 12/12/2002 | CA2449820A1 Simultaneous transmission of standard 8-vsb and robust 2-vsb (4-vsb) symbols in atsc system |
| 12/11/2002 | EP1265413A2 Mapping with unequal error protection |
| 12/11/2002 | EP1265412A2 Provision of quadrature signals in a multicarrier receiver |
| 12/11/2002 | EP1265411A1 Multicarrier system with adaptive bit-wise interleaving |
| 12/11/2002 | EP1265410A2 Complex quadrature phase shift keying |
| 12/11/2002 | EP1265393A1 Data transmission between master and slave, using orthogonal frequency division multiplexing |
| 12/11/2002 | EP1265392A1 Method of transmitting data by multiplexing orthogonal frequencies |
| 12/11/2002 | EP1264459A1 I/q modulator with carrier predistortion |
| 12/11/2002 | EP1264458A1 Digital i/q modulator having a predistorsion |
| 12/11/2002 | EP1264434A2 Method and circuit arrangement for the secure transmission in digital transmission systems |
| 12/11/2002 | EP1264410A2 Device for linearising a high-frequency amplifier |
| 12/11/2002 | EP1264408A2 Method and apparatus for computing soft decision input metrics to a turbo decoder |
| 12/11/2002 | EP1264395A2 Improved method and apparatus for improving the efficiency of power amplifiers, operating under a large peak-to-average ratio |
| 12/11/2002 | CN1385048A Method and system for frequency spectrum resource allocation |
| 12/11/2002 | CN1385019A Timing synchronizaation and phase/frequency correction of QPSK signals |
| 12/11/2002 | CN1385018A Radio receiver with two stages of dc offset correction synchronisation and channel estimation |
| 12/11/2002 | CN1385000A Transceiver with local oscillator frequency settings using demodulated bit rate |
| 12/11/2002 | CN1384675A Gaussian minimum frequency deviation digital key modulation method and device |
| 12/11/2002 | CN1384650A Double-pilot frequency carrier restorer in digitalized transmission |
| 12/11/2002 | CN1384612A Wide-band modem hybrid circuit |
| 12/11/2002 | CN1384602A Adaptive RF digital pre-distortion linearization method and circuit |
| 12/11/2002 | CN1096169C Delaydetector arrangement for detecting phase difference from phase modulation system |
| 12/11/2002 | CN1096157C Multipath search processor for spread spectrum multiple access communication system |
| 12/11/2002 | CN1096156C Method and apparatus for using walsh shift keying in spread spectrum communication system |
| 12/11/2002 | CN1096154C System for radio transmission of digital signals between plurality of subscriber stations and base station |
| 12/11/2002 | CA2390253A1 Ofdm multiple sub-channel communication system |
| 12/10/2002 | US6493409 Phase detectors in carrier recovery for offset QAM and VSB |
| 12/10/2002 | US6493406 Method and apparatus for symbol independent discriminator correlator automatic frequency control |
| 12/10/2002 | US6493402 Mode control for trellis decoder |
| 12/10/2002 | US6493398 Burst mode digital communications system |
| 12/10/2002 | US6493397 Radio communication device and radio communication method |
| 12/10/2002 | US6493396 Phase shift key burst receiver having improved phase resolution and timing and data recovery |
| 12/10/2002 | US6493395 Multi-carrier transmission systems |
| 12/10/2002 | US6492867 Method and apparatus for improving the efficiency of power amplifiers, operating under a large peak-to-average ratio |
| 12/10/2002 | CA2271508C A coding technique in discrete multi-tone (dmt) based communications systems |
| 12/10/2002 | CA2118355C Orthogonal polarization and time varying offsetting of signals for digital data transmission or reception |
| 12/05/2002 | WO2002098156A1 A method for enabling a subscriber entity to actively communicate in a communication network |
| 12/05/2002 | WO2002098095A1 Method for estimating the transfer function of a multicarrier signal transmission channel and corresponding receiver |
| 12/05/2002 | WO2002098094A1 Apparatus and method for measuring sub-carrier frequencies and sub-carrier frequency offsets |
| 12/05/2002 | WO2002098004A2 Quadrature alignment in communications receivers |
| 12/05/2002 | WO2002067526A3 Channel estimation in multicarrier transmission systems |
| 12/05/2002 | WO2002056567A3 Reduced soft output information packet selection |
| 12/05/2002 | WO2002052772A3 Endcoded qam |
| 12/05/2002 | US20020183799 Bidirectional telemetry system and method for transmitting data at high transmission rate |
| 12/05/2002 | US20020183026 Data communication quality control system, transmitter system and receiver |
| 12/05/2002 | US20020183020 Adaptive coding and modulation |
| 12/05/2002 | US20020183018 Circuit configuration for direct modulation |
| 12/05/2002 | US20020181675 Modem isolation systems and apparatus |
| 12/05/2002 | US20020181636 Method and arrangement for synchronizing a receiver to a quadrature amplitude modulated signal |