Patents for H04L 25 - Baseband systems (55,083)
02/2004
02/24/2004US6697286 Driver circuit
02/24/2004US6697005 Analog to digital converter with interpolation of reference ladder
02/24/2004US6696890 Differential signal transfer circuit
02/24/2004US6696853 Line reflection reduction with energy-recovery driver
02/24/2004US6696852 Low-voltage differential I/O device
02/19/2004WO2004016019A1 Method of increasing the data transmission rate in a mobile radio system
02/19/2004WO2004015947A1 Differential decoder followed by non-linear compensator
02/19/2004WO2004015946A1 Joint channel and noise variance estimation in a wideband ofdm system
02/19/2004WO2004015914A1 High-speed analog modem
02/19/2004WO2004015899A2 Alignment and deskew device, system and method
02/19/2004WO2003094412A3 Sequence detection
02/19/2004WO2001017185A8 Estimation, in a rake receiver, of the rate of change of the channel
02/19/2004US20040034863 Fast digital channel changing
02/19/2004US20040033782 Adaptive space-time transmit diversity coding for MIMO systems
02/19/2004US20040032921 Methods for performing channel diagnostics
02/19/2004US20040032919 Enhanced DC offset mitigation
02/19/2004US20040032917 Channel estimation in a wireless transmission system
02/19/2004US20040032914 Arrangement for dynamic DC offset compensation
02/19/2004US20040032910 MIMO systems with STTD encoding and dynamic power allocation
02/19/2004US20040032905 Receiver for high rate digital communication system
02/19/2004US20040032903 Adaptive equaliser
02/19/2004US20040032849 Method for generation of training sequence in channel estimation
02/19/2004US20040032529 Equalizer for high definition television and equalization method thereof
02/19/2004DE10235158A1 Characteristic wave impedance matching circuit arrangement has matching resistance network between chokes and vehicle data bus line ends for characteristic wave impedance matching of data bus lines
02/19/2004DE10234823A1 Verfahren zur Aufteilung der Bitrate von QPSK-Signalen in zwei oder mehrere Teilkanäle Mechanism for sharing the bit rate of QPSK signals into two or more sub-channels
02/19/2004DE10202876B4 Verfahren zum Übertragen eines analogen Datenstroms und Vorrichtung zur Durchführung des Verfahrens A method for transmitting an analog data stream, and apparatus for carrying out the method
02/18/2004EP1389874A2 Fast digital channel changing
02/18/2004EP1389861A1 Channel tracking using decision directed estimation in pilot-assisted wireless multi-carrier systems
02/18/2004EP1389859A1 Soft quantisation for optical transmission
02/18/2004EP1389858A1 Adaptive truncation of coded digital data symbols in a receiver
02/18/2004EP1389834A1 Method to support channel estimation and corresponding base station
02/18/2004EP1389384A2 Method and apparatus for a pulse decoding communication system using multiple receivers
02/18/2004EP1389383A2 Transmitter for transmitting digital data over a transmission line
02/18/2004EP1389382A4 Method and apparatus for variable bit rate clock recovery
02/18/2004EP1389382A2 Method and apparatus for variable bit rate clock recovery
02/18/2004EP1389366A2 Transmission in multi-channel communication system using selective channel power control
02/18/2004EP1236321B1 Multichannel adaptive equaliser
02/18/2004EP0800737B1 Multiple access digital transmitter and receiver
02/18/2004EP0723353B1 Dpsk wave linear prediction delay detection method
02/18/2004CN1476705A Demodulation apparatus and method in communication system employing 16-ary QAM
02/18/2004CN1476704A Demodulation apparatus and method in communication system employing 8-ary PSK modulation
02/18/2004CN1139232C Passive monitoring method and apparatus of low power consumption for electronic apparatus
02/18/2004CN1139231C Method for demodulating carrier wave modulated by digital symbol sequence
02/18/2004CN1139230C Apparatus and method for estimating channel in radio system
02/17/2004US6694377 Communications interface for the serial transmission of digital data, and corresponding data transmission method
02/17/2004US6694280 Method for overflow testing of a blind equalizer
02/17/2004US6694105 Burst mode receiving apparatus having an offset compensating function and a data recovery method thereof
02/17/2004US6694016 Odd-order low-pass POTS device microfilter
02/17/2004US6693984 Method and apparatus for compensating for intersymbol interference in a received signal
02/17/2004US6693972 Data apparatus for maintaining analog line signal during a data sample underrun condition
02/17/2004US6693967 Detecting encoding and encoding conversion for modem connections
02/17/2004US6693958 Adaptive channel equalizer having a training mode
02/17/2004US6693917 Digital subchannel transceiver for transmitting data
02/17/2004US6693568 Apparatus, and an associated method, for detecting digital data using MLSE detection with a dynamically-sized trellis
02/17/2004US6693465 Open input sense for differential receiver
02/17/2004US6693372 Data transmission system, particularly in a motor vehicle, and data transmission method
02/12/2004WO2004014066A2 Method and devic the for setting the slice level in a binary signal
02/12/2004WO2004014034A2 Method for dividing the bit rate of qpsk signals into two or several subchannels
02/12/2004WO2004014032A2 Multi-tap frequency domain equalization with decision feedback and trellis decoding
02/12/2004WO2004014031A1 Apparatus and methods for suppression of interference
02/12/2004WO2004014030A2 Differential signaling transmission circuit
02/12/2004WO2004014029A1 A method of channel estimation in wideband cdma communication
02/12/2004WO2004014008A2 Carrier frequency offset estimation in a wireless communication system
02/12/2004WO2004013999A1 Centralized buffer architecture for an orthogonal frequency division multiplexing (ofdm) receiver
02/12/2004WO2003107194A3 Parallel data communication consuming low power
02/12/2004WO2003075396A3 System and method for antenna diversity using joint maximal ratio combining
02/12/2004WO2003023992A9 System and method for transmitting data in ultra wide band frequencies in a de-centralized system
02/12/2004WO2002037679A3 Transmitter circuit comprising timing deskewing means
02/12/2004US20040030965 Method and apparatus for adjusting receiver voltage threshold and phase sampling point using FEC counts
02/12/2004US20040028164 System and method for data transition control in a multirate communication system
02/12/2004US20040028159 Receivers, methods, and computer program products for an analog modem that receives data signals from a digital modem
02/12/2004US20040028155 Method for processing a digital input signal of a channel equalizer
02/12/2004US20040028154 Channel estimator
02/12/2004US20040028152 Continuous self-calibration of internal analog signals
02/12/2004US20040028148 Reduced complexity multicarrier precoder
02/12/2004US20040028145 Digital data transmitter
02/12/2004US20040028084 Signal delay structure in high speed bit stream demultiplexer
02/12/2004US20040028012 Flexible method and apparatus for encoding and decoding signals using a time division multiple frequency scheme
02/12/2004US20040028011 Method and apparatus for adapting signaling to maximize the efficiency of spectrum usage for multi-band systems in the presence of interference
02/12/2004US20040028008 Delay profile making method and delay profile making apparatus
02/12/2004US20040027178 Signal buffer for high-speed signal transmission and signal line driving circuit including the same
02/12/2004US20040027176 Method and related circuitry for buffering output signals of a chip with even number driving circuits
02/12/2004US20040027170 Methods and apparatus for signal processing
02/12/2004US20040027167 Data transfer device for transferring data between blocks of different clock domains
02/12/2004US20040027153 Semiconductor integrated circuit and data processing system
02/12/2004US20040027152 System and method for transmission-line termination by signal cancellation, and applications thereof
02/12/2004US20040026793 Transceiver having shadow memory facilitating on-transceiver collection and communication of local parameters
02/12/2004DE19843145B4 Verfahren zur Sequenzerfassung und Sequenz-Ausgleicheinrichtung A method for recording sequences and sequence equalizer
02/12/2004DE10233243A1 Circuit for regenerating clock signals especially in high frequency cmos has offset compensation circuit to equalize output signals
02/11/2004EP1388988A2 Chip-scale coils and isolators based thereon
02/11/2004EP1388975A1 System and method for data transition control in a multirate communication system
02/11/2004EP1388952A1 Transceiver having shadow memory facilitating on-transceiver collection and communication of local parameters
02/11/2004EP1388258A1 Method and apparatus for echo cancellation in digital communications using an echo cancellation reference signal
02/11/2004EP1388242A1 Method for demodulating a signal integrating phase error effect and corresponding receiver
02/11/2004EP1388240A2 Method for reconstructing data pulsed with a symbol rate from an analog distorted signal
02/11/2004CN1475068A Apparatus for receiving and recovering frequency shift keyed symbols
02/11/2004CN1475067A Active terminating device with optional line-receiving and line-driving capabilities
02/11/2004CN1475066A Method for optimal estimation of propagation channel relying solely on pilot symbols and corresponding estimator
02/11/2004CN1474972A 数据总线 Data Bus
02/11/2004CN1474567A 数据传送装置 Data transfer means