H04L 25 - Baseband systems - Patents Sitemap

Patents for H04L 25 - Baseband systems (55,083)
11/2002
11/27/2002	CN1382335A Estimation in RAKE receiver of rate of change of channel
11/27/2002	CN1382326A One way single-wire communication interface
11/27/2002	CN1381995A Method for implementing 8PSK equalizing demodulation in EDGE system
11/27/2002	CN1095297C Selective calling radio signal receiving method and equipment
11/27/2002	CN1095257C Automatic power control system for code division multiple access (CDMA) communication system
11/27/2002	CN1095245C Biphase or FM moden using flash modulation and modulation-demodulation method
11/26/2002	US6487405 Communication system with multicarrier telephony transport for controlling a plurality of service units
11/26/2002	US6487264 RF modem apparatus
11/26/2002	US6487263 Decoding of a biphase modulated bitstream and relative self-synchronizing frequency divider with noninteger ratio
11/26/2002	US6487261 Distortion compensating device
11/26/2002	US6487259 Partially-parrallel trellis decoder apparatus and method
11/26/2002	US6487258 Methods and apparatus for decoding data
11/26/2002	US6487255 Information generation for coherent demodulation of differentially encoded signals
11/26/2002	US6487254 Methods and devices for estimating QAM symbol sequences over flat fading channels using multiple offset sequences
11/26/2002	US6487253 OFDM channel estimation in the presence of interference
11/26/2002	US6487250 Signal output system
11/26/2002	US6487244 System and method for transmitting special marker symbol
11/26/2002	US6487243 Modems, methods, and computer program products for recovering from errors in a tone reversal sequence between two modems
11/26/2002	US6487242 Method and apparatus for VCO modulation in a communication system
11/26/2002	US6487240 Apparatus for receiving and recovering frequency shift keyed symbols
11/26/2002	US6487222 Quarter-rate 2B1Q ISDN architecture with embedded differential delay compensation for extending range of DDS communications
11/26/2002	US6486819 Circuitry with resistive input impedance for generating pulses from analog waveforms
11/26/2002	US6486710 Differential voltage magnitude comparator
11/26/2002	US6486698 LSI device capable of adjusting the output impedance to match the characteristic impedance
11/26/2002	US6486697 Line reflection reduction with energy-recovery driver
11/26/2002	US6486695 Protecting unit
11/26/2002	CA2279680C Binary waveform shaping apparatus
11/26/2002	CA2230294C Apparatus and method for digital data transmission
11/21/2002	WO2002093862A1 Method for demodulating a signal integrating phase error effect and corresponding receiver
11/21/2002	WO2002093860A1 Channel estimation for orthogonal frequency division multiplexed (ofdm) signals
11/21/2002	WO2002093859A1 Channel decoding apparatus and method in an orthogonal frequency division multiplexing system
11/21/2002	WO2002093855A2 Method and system for transferring data with tomlinson-coding
11/21/2002	WO2002093854A1 A method for determining impulse responses of signal transmission channels
11/21/2002	WO2002093853A2 Adaptive biasing of a line driver
11/21/2002	WO2002093852A2 Method for reconstructing data pulsed with a symbol rate from an analog distorted signal
11/21/2002	WO2002093818A1 Transmit deversity receiver with prefiltering
11/21/2002	WO2002093805A1 Multi-carrier communication method and multi-carrier communication apparatus
11/21/2002	WO2002093790A1 Multilevel optical signal, independent of noise and intersymbol interference.
11/21/2002	WO2002093779A2 Transmission in multi-channel communication system using selective channel power control
11/21/2002	WO2002093775A1 Automatic gain control system for a multi-user ofdm digital transmission system using the electric grid
11/21/2002	WO2002075933A3 Communication system and method
11/21/2002	WO2002067614A3 Method for establishing a priority call in a fixed wireless access communication system
11/21/2002	WO2002067613A3 Apparatus for reallocating communication resources to establish a priority call in a fixed wireless access communication system
11/21/2002	WO2002058409A3 Apparatus and method for creating signal and channel profiles at a receiving station
11/21/2002	WO2002047278A3 Simple block space time transmit diversity using multiple spreading codes
11/21/2002	WO2001031864A9 Method for determining frame rate of a data frame in a communication system
11/21/2002	US20020174390 Method and apparatus for adaptively compensating skews during data transmission on a bus
11/21/2002	US20020174368 Circuits for scrambling and descrambling packets and methods of doing the same
11/21/2002	US20020174159 Filter for injecting data dependent jitter and level noise
11/21/2002	US20020173286 Radiocommunication employing selected synchronization technique
11/21/2002	US20020173090 Semiconductor integrated device and electronic equipment
11/21/2002	US20020172315 Data rate calibration for asynchronous serial communications
11/21/2002	US20020172311 Large-input-delay variation tolerant (lidvt) receiver adopting FIFO mechanism
11/21/2002	US20020172305 Fixed decision delay detectors for timing recovery loop
11/21/2002	US20020172301 Data slicers
11/21/2002	US20020172300 FQPSK-B viterbi receiver
11/21/2002	US20020172299 Data width corrector
11/21/2002	US20020172295 Efficient, dynamically adaptive bias architecture and associated methods
11/21/2002	US20020172290 Method and system for transmitting signals between a high speed serial bus and a coaxial cable
11/21/2002	US20020172276 Technique for minimizing decision feedback equalizer wordlength in the presence of a DC component
11/21/2002	US20020172275 Two stage equalizer for trellis coded systems
11/21/2002	US20020172272 Equalizer and equalization method
11/21/2002	US20020172271 Transceiver
11/21/2002	US20020172269 Method and system for effective channel estimation in a telecommunication system
11/21/2002	US20020172264 Partly orthogonal multiple code trees
11/21/2002	US20020172233 Method for inverse multiplexing
11/21/2002	US20020172151 Transmission circuit, data transfer control device, and electronic equipment
11/21/2002	US20020172066 Apparatus and method to provide a single reference component for multiple circuit compensation using digital impedance code shifting
11/21/2002	US20020171899 Increased transmission capacity for a fiber-optic link
11/21/2002	US20020171580 Adaptive digital beamformer coefficient processor for satellite signal interference reduction
11/21/2002	US20020171450 Impedance matching circuit
11/21/2002	DE10122891A1 Initializing data transmission employing Tomlinson coding, employs test signal exclusively comprising data symbols in warm start phase
11/21/2002	CA2447256A1 Automatic gain control system for a multi-user digital ofdm transmission systems over the electric network
11/21/2002	CA2385358A1 Optimum training sequences for wireless systems
11/20/2002	EP1259091A1 Co-channel interference suppression by estimating the time of arrival (TOA)
11/20/2002	EP1259040A2 Equalisation for QAM signals
11/20/2002	EP1259039A2 Equalizer and equalization method
11/20/2002	EP1259038A2 Control and error correction for pulse generators
11/20/2002	EP1259016A2 Sequential decoding with backtracking and adaptive equalization to combat narrowband interference
11/20/2002	EP1258120A1 Method and apparatus for implementing the training phase of adaptive channel equalization on a digital communications path
11/20/2002	EP1258118A1 Method and system for data and timing recovery in a bi-phase coded data signal
11/20/2002	EP1258099A1 Baud-rate timing recovery
11/20/2002	EP1258097A2 System and method for sampling phase adjustment by an analog modem
11/20/2002	EP1258091A1 METHOD AND APPARATUS FOR ACHIEVING 180o PHASE INVARIANT TRANSMISSION IN A PCM MODEM SYSTEM
11/20/2002	CN1381127A High frequency network communication equipments over various lines
11/20/2002	CN1381124A Fading resistant multi-level QAM receiver
11/20/2002	CN1381122A Method and receiver for estimating data bit rates
11/20/2002	CN1381053A Method for encoding stream of bits of binary source signal into stream of bits of binary channel signal
11/20/2002	CN1381049A Method for encoding stream of bits of binary source signal into stream of bits of binary channel signal
11/20/2002	CN1094613C Interface circuit and method for low power loss transfer binary logic signals
11/19/2002	US6484223 Transmitting device and bus system for data transfer
11/19/2002	US6483883 Automatic gain control type demodulation apparatus having single automatic gain control circuit
11/19/2002	US6483879 Compensating for initial signal interference exhibited by differential transmission lines
11/19/2002	US6483870 Data communication using a modifiable number of XDSL modems
11/19/2002	US6483821 CDMA mobile communications system and method with improved channel estimation and pilot symbol transmission
11/19/2002	US6483802 Communication system for driving pairs of twisted pair links
11/19/2002	US6483755 Memory modules with high speed latched sense amplifiers
11/19/2002	CA2222029C Slice predictor for a signal receiver
11/19/2002	CA2188869C A direct sequence cdma coherent uplink detector
11/16/2002	CA2347927A1 Centralized synchronization for wireless networks

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