Patents for H04L 25 - Baseband systems (55,083)
05/2004
05/27/2004US20040101071 Radio base station apparatus, decoding apparatus used therefor which uses TFCI decoding characteristics, and decoding method therefor
05/27/2004US20040101068 Digital receiver capable of processing modulated signals at various data rates
05/27/2004US20040101064 Serial data transmitter with bit doubling
05/27/2004US20040101060 Low power modulation
05/27/2004US20040101040 Timing recovery system for a multi-pair gigabit transceiver
05/27/2004US20040101036 Digital signal transfer method
05/27/2004US20040101034 Enhancing CDMA multiuser detection by constraining soft decisions
05/27/2004US20040101032 Space time transmit diversity for TDD/WCDMA systems
05/27/2004US20040100946 Method and apparatus capable of transferring very high data rates across a midplane or backplane
05/27/2004US20040100928 Code-division-multiple-access (DS-CDMA) channels with aperiodic codes
05/27/2004US20040100898 Method and apparatus for channel quality metric generation within a packet-based multicarrier modulation communication system
05/27/2004US20040100838 Buffer circuit device supplying a common mode voltage applicable to a next-stage circuit receiving output signals of the buffer circuit device
05/27/2004US20040100316 Semiconductor circuit having repeaters in a signal transmission line
05/27/2004US20040100309 Method and apparatus for selectably providing single-ended and differential signaling with controllable impedance and transition time
05/27/2004DE10060569B4 Verfahren zur kohärenten Demodulation von Funksignalen Method for coherent demodulation of radio signals
05/27/2004CA2504983A1 Radio communication apparatus and radio communication method
05/27/2004CA2504822A1 Noise and channel estimation using low spreading factors
05/26/2004EP1422896A1 Calculation of soft decision values using reliability information of the amplitude
05/26/2004EP1422895A2 Estimation of channel impulse response with a dynamic number of coefficients
05/26/2004EP1422894A1 Method and corresponding arrangement for DC offset compensation using channel estimation
05/26/2004EP1422893A1 Synchronisation and estimation of a transmission channel
05/26/2004EP1422878A2 Gigabit ethernet line driver and hybrid architecture
05/26/2004EP1422852A1 Multi-carrier cdma transmission system, transmission apparatus and reception apparatus used in the system, and multi-carrier cdma transmission method
05/26/2004EP1421731A1 Compensation for non-linear distortion in a modem receiver
05/26/2004EP1421703A1 Method and apparatus for relayed communication using band-pass signals for self-interference cancellation
05/26/2004EP1421700A2 Digital equalization process and mechanism
05/26/2004EP1421690A1 Method and apparatus for encoding and decoding digital communications data
05/26/2004EP1421585A2 Apparatus for reproducing digital information signal with means for asymmetry parameter estimation
05/26/2004EP1245100B1 Channel estimation for time division duplex communication systems
05/26/2004EP1198936B1 Method for adaptive estimation of channel impulse responses of a wireless telephone channel
05/26/2004EP1151571B1 Method and device for equalizing and decoding a data signal
05/26/2004EP1119928B1 Method for equalization of complementary carriers in an am compatible digital audio broadcast system
05/26/2004EP1070410B1 Automatic speed detection for asynchronous serial communications
05/26/2004EP1031217B1 Methods and apparatus for optimizing shell mapping techniques using an approximated power cost function
05/26/2004EP0998785A4 Adaptively equalized burst receiver and method for upstream broadband data
05/26/2004CN1500334A Minimization of error contributions in DMT system
05/26/2004CN1500323A Wireless clock synchronization
05/26/2004CN1500314A Rake receiver with embedded decision feedback equalizer
05/26/2004CN1500246A Enhanced loopback testing of serial devices
05/26/2004CN1499870A Bit processing method for self adaptive multispeed modulation
05/26/2004CN1499799A Equilizer for single carrier receiver, and its equalizing method
05/26/2004CN1499798A Impedance calibrating circuit
05/26/2004CN1499763A Method and equipment for reaching synchronization to base station
05/26/2004CN1499753A Receiver in OFDM transfer system
05/26/2004CN1499736A Receiver, demodulator and communication method
05/26/2004CN1151643C Method and apparatus for demodulating and equalizing am compatible digital
05/26/2004CN1151641C Phase-shift overlap codes and decode method thereof
05/25/2004US6742061 Accessory control interface
05/25/2004US6741845 Wave-shaper device
05/25/2004US6741700 Low insertion loss current sense circuit
05/25/2004US6741676 Determining the physical structure of subscriber lines
05/25/2004US6741657 Circuit arrangement for transmitting pulses via a transmission path
05/25/2004US6741646 Modulation technique for transmitting a high data rate signal, and an auxiliary data signal, through a band limited channel
05/25/2004US6741645 Technique for minimizing decision feedback equalizer wordlength in the presence of a DC component
05/25/2004US6741644 Pre-emphasis filter and method for ISI cancellation in low-pass channel applications
05/25/2004US6741643 Asymmetric equalization system for data transmission
05/25/2004US6741641 Method and apparatus for measuring parameters of an electrical system
05/25/2004US6741634 Apparatus and method of adaptive weighted parallel interference cancellation system for CDMA
05/25/2004US6741551 Hybrid TDMA/CDMA system based on filtered multitone modulation
05/25/2004US6741190 Method and apparatus for adaptive bus coding for low power deep sub-micron designs
05/25/2004US6741114 Apparatus for adjusting input capacitance of semiconductor device and fabricating method
05/25/2004US6741095 Data transmission system, circuit and method
05/25/2004CA2413282C System and method for peak power reduction in multiple carrier communications systems
05/25/2004CA2369313C Apparatus and method for normalizing metric values in a component decoder in a mobile communication system
05/25/2004CA2328251C Automatic identification level control circuit, identification level control method, automatic identification phase control circuit, identification phase control method, optical receiver, and optical communication system
05/25/2004CA2314400C Signal encoding for transmission of multiple digital signals over single physical medium
05/25/2004CA2208081C Dual-mode fm/cdma communication system
05/21/2004WO2004042950A1 Protective circuit for protection against overvoltage for a can-bus transceiver
05/21/2004WO2004042949A1 Pilot symbols in communication systems
05/21/2004WO2004042934A1 Statistical scaling of soft decisions before decoding
05/21/2004WO2004004260A3 Training using overhead data in a wireless communications network
05/21/2004WO2003088479A8 Transposed structure for a decision feedback equalizer combined with a trellis decoder
05/21/2004WO2002014790A3 Cmi signal timing recovery
05/20/2004US20040098489 Automatic baud rate detection of null modem unimodem client connection
05/20/2004US20040097212 Direct conversion receiver and dc offset reducing method
05/20/2004US20040096025 Method and system for a programmable diphase digital phase lock loop
05/20/2004US20040096022 Combining precoding with spectral shaping
05/20/2004US20040096017 Pre-corrupting reference signals with inter-symbol interference
05/20/2004US20040096015 Reception device, demodulator, and communication method
05/20/2004US20040096011 Fast transmitter based on table lookup
05/20/2004US20040096010 Communications system including a narrow band modulator
05/20/2004US20040096008 Multi-tap frequency domain equalization with decision feedback and trellis decoding
05/20/2004US20040096007 Method for generating soft bit information from gray coded signals
05/20/2004US20040096006 Isolation system with digital communication across a capacitive barrier
05/20/2004US20040096005 Gigabit ethernet line driver and hybrid architecture
05/20/2004US20040096004 Asymmetrical ethernet transceiver for long reach communications
05/20/2004US20040095994 High-speed modem with uplink remote-echo canceller
05/20/2004US20040095990 Method and system for temporal autocorrelation filtering
05/20/2004US20040095909 Method of and apparatus for amplitude tracking and automatic frequency correction of a time-division multiple-access channel
05/20/2004US20040095898 Asymmetric modem communications system and method
05/20/2004US20040095257 High-speed analog modem
05/20/2004US20040095170 Synchronization circuit
05/19/2004EP1420558A1 Reception device, demodulator, and communication method
05/19/2004EP1420557A2 Combined equalization for dmt-based modem receiver
05/19/2004EP1420556A2 Filter bank for long Ethernet links
05/19/2004EP1420555A2 Sequence for channel estimation and method for estimating a transmission channel which uses such a sequence for channel estimation
05/19/2004EP1420531A1 MOBILE BODY COMMUNICATION SYSTEM, MULTI−CARRIER CDMA TRANSMISSION APPARATUS, AND MULTI−CARRIER CDMA RECEPTION APPARATUS
05/19/2004EP1420521A2 Channel diagnostic systems and methods
05/19/2004EP1419651A1 Wireless transmitting/receiving apparatus and method
05/19/2004EP1419629A2 Crosstalk equalization for digital transmission lines