Patents for H04L 25 - Baseband systems (55,083)
06/2002
06/05/2002EP0966801B1 Estimating cir using correlation with line removal
06/05/2002EP0960476B1 Input buffer circuit
06/05/2002EP0815692B1 A two-way paging system and apparatus
06/05/2002EP0811277B1 Joint demodulation using spatial maximum likelihood
06/05/2002EP0643889B1 Method and apparatus for coherent communication in a spread-spectrum communication system
06/05/2002CN1086088C Dpsk wave linear prediction delay detection method
06/05/2002CN1086077C Equipment for measuring signal transmission time of a digit transmission device
06/04/2002US6400785 Signal resynchronization apparatus having capability to avoid data corruption
06/04/2002US6400783 Method and apparatus for transmission and reception of digital signals and estimation of communication channels
06/04/2002US6400781 Multiband detector
06/04/2002US6400779 Estimating CIR using correlation with line removal
06/04/2002US6400778 DC-offset canceller
06/04/2002US6400772 Line interface and method for detecting and eliminating an impedance mismatch between a transceiver and a transmission line
06/04/2002US6400771 Driver circuit for a high speed transceiver
06/04/2002US6400770 High speed encoding and decoding methods for analog subscriber connections
06/04/2002US6400761 Method and apparatus for adaptively compensating channel or system variations in precoded communications system
06/04/2002US6400760 Apparatus and method for an error signal compression technique in a fast adaptive equalizer circuit
06/04/2002US6400731 Variable rate communication system, and transmission device and reception device applied thereto
06/04/2002US6400616 Method of an apparatus for correctly transmitting signals at high speed without waveform distortion
06/04/2002US6400194 Synchronous feedback digital circuit having a minimized switching power loss
06/04/2002CA2270994C Method of operating the channel equalizer in a receiver for dtv signals subject to co-channel ntsc interference
05/2002
05/30/2002WO2002043341A2 Method of reconfiguration of radio parameters based on communication channel monitoring
05/30/2002WO2002043339A2 Method for sound channel upgrading
05/30/2002WO2002043271A2 Joint least-square synchronization, channel estimation and noise estimation
05/30/2002WO2002043270A2 Determinant-based synchronization techniques and systems
05/30/2002WO2002043269A2 Method and apparatus for improving channel estimates using space-time coding
05/30/2002WO2002043258A2 Dc-offset correction circuit having a dc control loop and a dc blocking circuit
05/30/2002WO2002042916A2 Data bus
05/30/2002WO2002023742A3 Apparatus for and method of adapting a radio receiver using control functions
05/30/2002WO2002019542A3 Method and device for pre-equalizing radio channels
05/30/2002WO2001093446A3 Ultrawide bandwidth communication system and method for fast synchronisation
05/30/2002WO2001086898A3 Method and system for decoding 8-bit/10-bit data using limited width decoders
05/30/2002WO2001069801A3 Multi-user detection using an adaptive combination of joint detection and successive interference cancellation
05/30/2002WO2001035608A9 Method and apparatus for mitigation of disturbers in communication systems
05/30/2002WO2000041372A3 Constant envelope modulation communication system
05/30/2002WO2000029860A3 Dynamic register with iddq testing capability
05/30/2002US20020065634 DC offset compensation
05/30/2002US20020064247 Cmos driver and on-chip termination for gigabaud speed data communication
05/30/2002US20020064242 Partial response demodulating method and apparatus using the same
05/30/2002US20020064239 DC compensation in direct conversion radio receivers
05/30/2002US20020064220 Method and apparatus for coupling a voiceband modem circuit to a common phoneline connector
05/30/2002EP1145516A3 Constant envelope modulation communication system
05/30/2002EP1145024A3 Dynamic register with iddq testing capability
05/29/2002EP1209871A1 Channel presuming system and channel presuming method
05/29/2002EP1209869A1 IF FSK receiver with circuits for differentiators and peak detectors
05/29/2002EP1209867A2 Methof fot the transmission of an anisochronous data stream on a plurality of isochronous transmission paths
05/29/2002EP1209842A1 Phase selection method in a receiver
05/29/2002EP1209841A2 Bidirectional optical communications, using on-off keying to generate a hybrid form of Manchester encoding
05/29/2002EP1209840A2 Bidirectional optical communications which allows data recovery without first establishing timing and phase lock
05/29/2002EP1209836A1 Ofdm communication apparatus and method for propagation path estimation
05/29/2002EP1209814A1 Process to expand data density
05/29/2002EP1208692A1 High frequency network communications over various lines
05/29/2002EP1051816B1 Device for transmitting signals with low-interference
05/29/2002DE10065919A1 Verfahren zur codierten Modulation A method for coded modulation
05/29/2002DE10057933A1 Verfahren zur Übertragung eines anisochronen Datenstroms auf einer isochronen Übertragungsstrecke Method for transmitting a data stream to an isochronous anisochronous transmission path
05/29/2002DE10056088A1 Verfahren und Einrichtung zur Kompensation von Störungen durch Mehrwegeausbreitung in einem Funkkommunikationssytem Method and apparatus for compensation of interference due to multipath propagation in a radio communications system
05/29/2002DE10055643A1 Verfahren zum Ermitteln von Einstellparameter einer Empfangseinheit, zugehörige Einheiten und zugehöriges Programm Method for determining adjustment parameters of a receiving unit, related devices and associated program
05/29/2002CN1351454A Self adapting equalizer and method
05/29/2002CN1351427A Method and equipment for fast channel estimation with training sequence
05/28/2002US6396886 DMT time-domain equalizer algorithm
05/28/2002US6396883 Method for detection of pilot tones
05/28/2002US6396877 Method and apparatus for combining serial data with a clock signal
05/28/2002US6396673 Reduced-loss, high-frequency signal transmission system utilizing an over-voltage and over-current protection device
05/28/2002US6396601 System for monitoring quality of optical signals having different bit rates
05/28/2002US6396415 Method and system of communicating in a subterranean well
05/28/2002US6396392 High frequency network communications over various lines
05/28/2002US6396329 Method and apparatus for receiving high speed signals with low latency
05/28/2002US6396282 Process for testing the ground contact of parts of a networked system
05/23/2002WO2002041651A2 Methods and apparatus for identifying asset location in mobile co mmunication networks
05/23/2002WO2002041595A2 Method and apparatus for adjusting the phase of a received signal
05/23/2002WO2002041594A1 Method for coded modulation taking account of the error sensitivity of the user data and encrypting said data after coding
05/23/2002WO2002041593A1 Method and device for blindly equalizing signals transmitted over time-variant transmission channels
05/23/2002WO2002041549A1 Method for improving channel estimation accuracy of wireless communication system
05/23/2002WO2002041545A2 Wireless clock synchronization
05/23/2002WO2002041506A2 Apparatus for receiving and recovering frequency shift keyed symbols
05/23/2002WO2002041504A2 Methods and apparatus for identifying asset location in communication networks
05/23/2002WO2002041490A2 Digital filter with state storage
05/23/2002WO2002011379A8 Method and apparatus for adaptive digital predistortion in a radio transmitter
05/23/2002WO2002009305A3 Method and apparatus for processing a modulated signal using an equalizer and a rake receiver
05/23/2002WO2001093520A3 Ultra wideband pulse formation
05/23/2002WO2001093443A3 A low power, high resolution timing generator for ultrawide bandwidth communication systems
05/23/2002WO2001084724A3 Methods and systems for adaptive receiver equalization
05/23/2002US20020061072 Systems for data transmission
05/23/2002US20020061060 Process to expand data density
05/23/2002US20020061057 Digital filter
05/23/2002US20020061050 Method for initial power control for spread-spectrum communications
05/23/2002US20020060990 OFDM pre-equalizing
05/23/2002US20020060892 Data transmission system, particularly in a motor vehicle, and data transmission method
05/23/2002US20020060869 Apparatus, signal-processing circuit and device for magnetic recording system
05/23/2002US20020060604 Demodulation method and demodulator for CPFSK-modulated signals
05/23/2002US20020060602 Bias voltage generator usable with circuit for producing low-voltage differential signals
05/23/2002US20020060588 Bus capture circuit for single-ended and differential signals
05/23/2002US20020060587 Output driver for a 10baset/100basetx ethernet physical layer line interface
05/23/2002DE10055939A1 Verfahren zur Übertragung eines digitalisierten Signals, Datenquelle und Datensenke zur Ausführung des Verfahrens Method for the transmission of a digitized signal, the data source and data sink for implementing the method
05/23/2002DE10054943A1 Kommunikationseinrichtung Communication device
05/23/2002DE10048823C1 Treiberschaltung für PC-Bus Driver circuit for PC bus
05/23/2002DE10046806A1 Tri-State-Treiberanordnung Tri-state driver arrangement
05/23/2002CA2398781A1 Wireless clock synchronization
05/22/2002EP1207662A1 OFDM system with antenna diversity in the transmitter and pre-equalisation
05/22/2002EP1207660A2 Time-sharing of a digital filter