Patents for H04L 25 - Baseband systems (55,083)
08/2004
08/11/2004CN1161936C Symol timing recovery network for carrierless amplitude phase (CAP) signal
08/11/2004CN1161935C Method and device for equalising transmission running times during transmission of data through several transmission channels
08/11/2004CN1161934C Data transmission device
08/11/2004CN1161933C Low complexity decision feedback sequence estimation
08/11/2004CN1161916C Signal process for multiplex communication system and signal processing method therefor
08/11/2004CN1161903C Communicating network, method and device for frane synchronization
08/10/2004US6775340 Synchronization and channel estimation with extended pilot symbols
08/10/2004US6775337 Digital automatic gain control with feedback induced noise suppression
08/10/2004US6775335 Method and apparatus for equalization and tracking of coded digital communications signals
08/10/2004US6775334 Equalization and decision-directed loops with trellis demodulation in high definition TV
08/10/2004US6775332 Multi-stage receiver
08/10/2004US6775330 Predistorted modulation system for bandwidth efficient satellite links
08/10/2004US6775328 High-speed communication system with a feedback synchronization loop
08/10/2004US6775324 Digital signal modulation system
08/10/2004US6775322 Equalizer with adaptive pre-filter
08/10/2004US6775300 Clock distribution in a communications network
08/10/2004US6775260 Space time transmit diversity for TDD/WCDMA systems
08/10/2004US6775219 Data reproduction control method and apparatus, and optical disk unit
08/10/2004US6774700 Current-mode logic differential signal generation circuit employing squelch
08/10/2004US6774678 Differential cascode current mode driver
08/06/2004CA2454486A1 Digital communication system and method for operating the system which can improve equalization performance according to channel state
08/05/2004WO2004066576A1 Method and device for transmitting a pulse width modulated self-clocking signal
08/05/2004WO2004066575A1 Receiver with iterative channel estimation using a return loop (turbo estimation)
08/05/2004WO2004066499A1 Semiconductor integrated circuit
08/05/2004WO2004056058A3 Signal processing method and apparatus using bit confidence values
08/05/2004WO2004039023A3 Differential deskewing repeater
08/05/2004WO2004036795A3 Method and apparatus for formatting signals for digital audio broadcasting transmission and reception
08/05/2004US20040153936 Data recovery circuit and method and data receiving system using the same
08/05/2004US20040153898 Method and system for providing error compensation to a signal using feedback control
08/05/2004US20040153680 Data communication apparatus and method for data communication
08/05/2004US20040151506 Receiver circuit and transmitter circuit
08/05/2004US20040151302 Single transformer hybrid system and method
08/05/2004US20040151268 Method and system for processing a sampled signal
08/05/2004US20040151258 Bit likelihood calculation method and demodulation device
08/05/2004US20040151240 Method and system for signal processing using vector output from scalar data
08/05/2004US20040151239 Equalizing a signal for transmission
08/05/2004US20040151208 Parallel encoding/decoding for communications protocol
08/05/2004US20040151196 Data tranmission circuit and data transmission method with two transmission modes
08/05/2004US20040150545 Coding method
08/05/2004US20040150544 Analog to digital converter with interpolation of reference ladder
08/05/2004US20040150459 Semiconductor integrated circuit device and semiconductor integrated circuit
08/05/2004US20040150434 Low voltage differential signaling driving apparatus
08/05/2004US20040150432 CMOS controlled-impedance transmission line driver
08/05/2004US20040150430 Voltage mode differential driver and method
08/05/2004US20040150424 Multi-device system and method for controlling voltage peaking of an output signal transmitted between integrated circuit devices
08/05/2004US20040150423 Voltage down converter for low voltage operation
08/05/2004US20040150421 Terminating resistor device and a method for testing a terminating resistor circuit
08/05/2004DE10301260A1 Binary signal offset compensation preparation system for mobile phone user data has delay path loop added to threshold limited direct path
08/04/2004EP1443724A1 Gateway system
08/04/2004EP1443680A1 Radio apparatus and adaptive array processing method
08/04/2004EP1443675A2 Method and apparatus for reducing noise in an unbalanced channel using common mode component
08/04/2004EP1443651A1 Multi-device system and method for controlling voltage peaking of an output signal transmitted between integrated circuit devices
08/04/2004EP1442570A1 Viterbi decoding using a table memory for readying reconstructed signal values for the calculation of transformation metrics
08/04/2004EP1442569A1 Zf-based adaptive asynchronous receiver
08/04/2004EP1442566A2 Method and system for transferring ip packets by aggregating multiple wireless communication channels for high data rate transfers
08/04/2004EP1442563A2 Method and system for dsl power saving
08/04/2004EP1442549A1 Scattered pilot pattern and channel estimation method for mimo-ofdm systems
08/04/2004CN1518813A Efficient multicarrer filter
08/04/2004CN1518809A Symbol timing correcting circuit, receiver, symbol timing correction method and demodulation processing method
08/04/2004CN1518336A Electronic camera and information equipment and portable information device
08/04/2004CN1518238A Device and method for transmitting/receiving pilot sequence in mobile communication using STTC
08/04/2004CN1160873C Method and arrangement in analog line interface circuit
08/04/2004CN1160865C Circuit for data dependent voltage bias level
08/04/2004CN1160859C Output driving circuit
08/04/2004CN1160855C Improvement of activation speed of signal wiring line in semiconductor integrated circuit and method for raising start speed of signal wiring
08/03/2004US6772351 Method and apparatus for calibrating a multi-level current mode driver
08/03/2004US6772242 Communication device using three-step communication buffers
08/03/2004US6772021 Digital audio data receiver without synchronized clock generator
08/03/2004US6771774 Filter arrangement for shaping a pulse propagated over pots wiring, and a method of manufacturing the same
08/03/2004US6771728 Half-rate phase detector with reduced timing requirements
08/03/2004US6771725 Multi-pair gigabit ethernet transceiver
08/03/2004US6771722 Channel estimator and method therefor
08/03/2004US6771716 Method of communication with coherence checking and device for the implementation thereof
08/03/2004US6771714 Timing recovery using the pilot signal in high definition TV
08/03/2004US6771711 Digital GMSK filter
08/03/2004US6771699 Method for rapid carrier-frequency offset acquisition using a periodic training sequence
08/03/2004US6771696 Integrated modem and line-isolation circuitry and associated method utilizing a DC termination pin to monitor line voltage
08/03/2004US6771695 Low-complexity DMT transceiver
08/03/2004US6771675 Method for facilitating simultaneous multi-directional transmission of multiple signals between multiple circuits using a single transmission line
08/03/2004US6771611 Frame generation circuit and method
08/03/2004US6771097 Series terminated CMOS output driver with impedance calibration
08/03/2004CA2357813C Signal break detecting circuit
07/2004
07/29/2004WO2004064351A1 Asynchronous transmission method and circuit thereof
07/29/2004WO2004064346A1 Non-contact rf id system communication method, non-contact rf id system, transmitter, and receiver
07/29/2004WO2004064345A1 Correlation method for channel estimation for ofdm
07/29/2004WO2004064344A1 Channel estimation using the guard interval of a multicarrier signal
07/29/2004WO2004064295A2 Pilot transmission schemes for wireless multi-carrier communication systems
07/29/2004WO2004064279A1 Method for the transmission of a data word
07/29/2004WO2004064256A1 Device for data exchange between a transmitter and a receiver
07/29/2004WO2004054193A3 Method and apparatus for scrambling based peak-to-average power ratio reduction without side information
07/29/2004WO2004051865A3 Method for analysing the channel impulse response of a transmission channel
07/29/2004WO2004045175A3 Transform-domain sample-by-sample decision feedback equalizer
07/29/2004WO2004040827A3 Uplink pilot and signaling transmission in wireless communication systems
07/29/2004WO2004039098A3 Method and arrangement for channel estimation in a wireless communication system
07/29/2004WO2004038986A3 Closed-loop rate control for a multi-channel communication system
07/29/2004WO2004002040A3 Broadcast router having a serial digital audio data stream decoder
07/29/2004WO2002082636A3 Data receiver gain enhancement
07/29/2004US20040146129 Decision sequence generating method and associated receiver with a decision feedback equalizer
07/29/2004US20040146123 Equalization in orthogonal frequency domain multiplexing
07/29/2004US20040146119 Receiver