Patents for H04L 25 - Baseband systems (55,083)
10/2002
10/01/2002US6459725 Wireless repeater with improved diversity
10/01/2002US6459693 Device and method for cancelling code interference in a CDMA communication system
10/01/2002US6459393 Apparatus and method for optimized self-synchronizing serializer/deserializer/framer
10/01/2002US6459323 Interface isolator and method for communication of differential digital signals
10/01/2002US6459315 Wave reforming circuit
10/01/2002CA2224706C Automatic power control system for a code division multiple access (cdma) communications system
09/2002
09/26/2002WO2002076055A1 Interface circuit
09/26/2002WO2002076054A1 Point-to-multipoint communication system with pre-distorsion and decision feedback equalizer to reduce interpacket interferences
09/26/2002WO2002076053A1 Transmission of information on a training sequence
09/26/2002WO2002076052A2 Symmetric line coding
09/26/2002WO2002075933A2 Communication system and method
09/26/2002WO2002075925A2 Device for preparing an input signal for a line which is mismatched on the output side
09/26/2002WO2002047341A8 Clock extraction from a biphase encoded bit stream
09/26/2002WO2002043258A3 Dc-offset correction circuit having a dc control loop and a dc blocking circuit
09/26/2002WO2001024466A9 Communication interface with terminated transmission lines
09/26/2002US20020138675 Processor for determining physical lane skew order
09/26/2002US20020138540 Multiplier circuit
09/26/2002US20020137533 System for coordination of TDD transmission bursts within and between cells in a wireless access system and method of operation
09/26/2002US20020137510 Method and system for adaptive equalization for receivers in a wide-band satellite communications system
09/26/2002US20020136340 Two-stage multiplier circuit
09/26/2002US20020136331 Method and apparatus for performing channel estimation with a limiting receiver
09/26/2002US20020136329 Timing recovery using the pilot signal in high definition TV
09/26/2002US20020136328 Signal separation method and apparatus for restoring original signal from observed data
09/26/2002US20020136322 Method for asynchronously transmitting a serial data
09/26/2002US20020136315 Adaptively configurable class-A/class-B transmit DAC for transceiver emission and power consumption control
09/26/2002US20020136285 High speed encoding and decoding apparatus and method for analog subscriber connections
09/26/2002US20020136243 Method and device for data transfer
09/26/2002US20020136241 Digital visual interface with audio and auxiliary data
09/26/2002US20020136195 Base station for compressing and transmitting high speed data
09/26/2002US20020136194 Method for subscriber unit compressing and transmitting high speed data
09/26/2002US20020136189 Radio communication system and apparatus
09/26/2002US20020136170 Wireless access system using selectively adaptable beam forming in TDD frames and method of operation
09/26/2002US20020135463 Network transmitter
09/26/2002US20020135404 High speed voltage mode differential digital output driver with edge-emphasis and pre-equalization
09/26/2002US20020135403 Trigger circuit
09/26/2002DE10112812A1 Digital signal transmission method uses carrierless amplitude phase modulation after division of data bit stream into symbole sequences
09/26/2002DE10110676A1 Ultra-wideband communications system uses pulse inversion modulated ultra-wideband pulses to transfer information; pulse associated with a 1 is in anti-phase to pulse for a 0
09/25/2002EP1244244A1 Global MMSE equalisation
09/25/2002EP1244243A1 Global MMSE equalisation
09/25/2002EP1244242A1 Global MMSE equalisation
09/25/2002EP1243112A1 Method for blind modulation detection
09/25/2002EP1243111A1 Method and circuit for protection of a universal serial bus transceiver against short-circuit
09/25/2002EP1243110A1 A method and apparatus for constant throughput rate adaptation
09/25/2002EP1243109A1 An arrangement for reducing power dissipation in a line driver
09/25/2002EP1243094A1 Estimation of two propagation channels in OFDM
09/25/2002EP1243089A2 Circuit and method of a reference clock interface
09/25/2002EP1243069A1 Apparatus for measuring intervals between signal edges
09/25/2002CN1091555C Transmission unit for generating AC voltage information in bus system
09/25/2002CN1091554C Adaptive despreader and method of adaptive despreading spreaded spectral signal
09/24/2002US6456759 Apparatus for limiting noise in the zeros of RZ optical signals
09/24/2002US6456712 Separation of ring detection functions across isolation barrier for minimum power
09/24/2002US6456667 Method of coding signal for digital optical communication having spectrum which attains zero level at prescribed frequency within main lobe band, baseband transmitter or ask transmitter using such method, and baseband receiver or ask receiver decoding signal coded by such method
09/24/2002US6456666 Signal encoding for transmission of multiple digital signals over single physical medium
09/24/2002US6456654 Frame alignment and time domain equalization for communications systems using multicarrier modulation
09/24/2002US6456651 Method and apparatus for adjustment of the sampling phase in a PCM modem system using a dual-phase probing signal
09/24/2002US6456646 Methods and systems for detecting codewords with intersymbol interference and imperfect timing
09/24/2002US6456608 Adaptive vector correlator using weighting signals for spread-spectrum communications
09/24/2002US6456552 Dynamic register with low clock rate testing capability
09/24/2002US6456221 Method and apparatus for signal detection in ultra wide-band communications
09/24/2002US6456210 Data transmission method and arrangement
09/24/2002US6456147 Output interface circuit
09/24/2002US6456128 Oversampling clock recovery circuit
09/24/2002US6456111 Receiver circuit for a complementary signal
09/19/2002WO2002073917A1 Method and apparatus for performing channel estimation with a limited receiver
09/19/2002WO2002073914A1 Method and apparatus to recover data from pulses
09/19/2002WO2002073913A1 Equalisation of multi-carrier signals
09/19/2002WO2002073912A2 Line driver with slew-rate control
09/19/2002WO2002073804A2 Line driver with current source output and high immunity to rf signals
09/19/2002WO2002073568A1 Device for data transmission between vehicle sensors and a processor in a controller
09/19/2002WO2002054660B1 Method for cancelling interference during tdma transmission and/or fdma transmission
09/19/2002WO2002019606A3 Partial response signaling for orthogonal frequency division multiplexing
09/19/2002WO2002019528A3 Data recovery using data eye tracking
09/19/2002WO2000064064A9 Digital radio system
09/19/2002US20020133777 Signal transmission device and method for avoiding transmission error
09/19/2002US20020133618 Tunneling system for a cable data service
09/19/2002US20020132637 Transmitting circuit and communication terminal unit therewith
09/19/2002US20020132629 Cable data service method
09/19/2002US20020131537 Approach for processing data received from a communications channel to reduce noise power and optimize impulse response length to reduce inter-symbol interference and inter-channel interference
09/19/2002US20020131532 Method and apparatus for detecting messages with unknown signaling characteristic
09/19/2002US20020131531 Decision threshold voltage control circuit and decision threshold voltage controlling method of clock and data recovery circuit, optical receiver, and decision threshold voltage control program
09/19/2002US20020131530 Method and apparatus to recover data from pulses
09/19/2002US20020131520 Device and method for spectrally shaping a transmission signal in a radio transmitter
09/19/2002US20020131519 Data transmitter
09/19/2002US20020131518 System and method for bit encoding to increase data transfer rate
09/19/2002US20020131517 Digital transmission system having disparity dependent channel code words
09/19/2002US20020131515 Soft-decision metric generation for higher order modulation
09/19/2002US20020131490 High performance equalizer with enhanced DFE having reduced complexity
09/19/2002US20020131489 High performance equalizer having reduced complexity
09/19/2002US20020131488 Decision feedback equalizer for minimum and maximum phase channels
09/19/2002US20020131487 Digital filter with state storage
09/19/2002US20020131486 Method and system for training a radio receiver
09/19/2002US20020131456 Network interface using programmable delay and frequency doubler
09/19/2002US20020131403 Transmit and receive system for a cable data service
09/19/2002US20020131394 Method for base station compressing and transmitting high speed data
09/19/2002US20020131391 Subscriber unit for compressing and transmitting high speed data
09/19/2002US20020131105 Skew discovery and compensation for WDM fiber communications systems using 8b10b encording
09/19/2002US20020130801 Analog isolation system with digital communication across a capacitive barrier
09/19/2002US20020130795 Speed negotiation device and method
09/19/2002US20020130680 Method and apparatus for terminating emitter coupled logic (ECL) transceivers
09/19/2002DE10122090A1 Determining truncated total mid-amble matrix for cellular time multiplex/code multiplex mobile radio system involves using only columns of total matrix for selected response values