Patents for H04L 25 - Baseband systems (55,083)
01/2002
01/10/2002US20020003846 Methods and systems for extracting a joint probability from a map decision device and processing a signal using the joint probability information
01/10/2002US20020003845 Apparatus and method of multiple decoding
01/10/2002US20020003843 Method and apparatus for high data rate wireless communications over wavefield spaces
01/10/2002US20020003834 Rate adjustment technique in a CDMA receiver
01/10/2002US20020003814 Bit detection threshold in a TDMA burst communication system
01/10/2002DE10130732A1 Signal transmission circuit for a data latch circuit includes controllable delay circuit with signal delay comparison system
01/09/2002EP1170916A1 Channel estimator for OFDM system
01/09/2002EP1170914A2 Method and apparatus for digitally coding binary data with a particular transmission spectrum
01/09/2002EP1170913A2 Bus transceiver
01/09/2002EP0700602A4 Method and apparatus for interfacing between a twisted pair and an intelligent cell
01/09/2002CN1077753C Alogorithmic controlling method of blind balancing system
01/08/2002US6338156 Method and device for detecting the loss-of-signal condition at the input of a transmission line interface
01/08/2002US6338105 Data transmission method and game system constructed by using the method
01/08/2002US6337889 Partial response demodulating method and apparatus using the same
01/08/2002US6337887 Burst receiving circuit and control method thereof
01/08/2002US6337886 Bit rate-selective type optical receiver, optical regenerative repeater and automatic bit rate discriminating method
01/08/2002US6337884 Circuitry for allowing two drivers to communicate with two receivers using one transmission line
01/08/2002US6337878 Adaptive equalizer with decision directed constant modulus algorithm
01/08/2002US6337834 Synchronous signal generation circuit
01/08/2002US6337606 Digital communications modulator having a modulation processor which supports high data rates
01/08/2002US6337586 Differential transmission driver circuit
01/08/2002CA2209083C Method and apparatus for decoding an encoded signal
01/07/2002CA2353594A1 Extended distribution of adsl signals
01/03/2002WO2001073954A3 Asymmetric digital subscriber line methods suitable for long subscriber loops
01/03/2002WO2001058173A3 System and method for sampling phase adjustment by an analog modem
01/03/2002WO2001039382A3 Frequency offset reduced by iris data recovery algorithms
01/03/2002WO2000065772A3 Phy control module for a multi-pair gigabit transceiver
01/03/2002WO2000064132A3 Predicting performance of telephone lines for data services
01/03/2002US20020001354 Method and apparatus for an accurate slicer that can rapidly adjust to an offset
01/03/2002US20020001353 Enhanced slice prediction feedback
01/03/2002US20020001352 Channel estimator for OFDM system
01/03/2002US20020001349 Robust digital communication system
01/03/2002US20020001341 Method of, and receiver for, estimating the bit rate of data
01/03/2002US20020001340 Asymmetric digital subscriber line methods suitable for long subscriber loops
01/03/2002US20020001287 Data transmission in a telecommunications system
01/03/2002US20020000848 Bus driver circuit
01/03/2002US20020000847 Signal transmission with reduced ringing of signals
01/03/2002US20020000845 Complementary current mode driver for high speed data communications
01/03/2002DE10030390A1 Demodulationsverfahren und Demodulator für CPFSK-modulierte Signale A demodulating method and demodulator for CPFSK-modulated signals
01/03/2002DE10029063A1 Verfahren und Anordnung zur Übertragung von mindestens einem Clientsignal innerhalb eines Serversignales Method and apparatus for transmitting at least one client signal within a server signal
01/03/2002DE10012286A1 Generating pilot signals for synchronization and/or channel estimation in a cellular communication system using code division multiple access modulation technology
01/02/2002EP1168804A2 Inductive coupling for silicon data access arrangement
01/02/2002EP1168803A2 Method and apparatus for coupling a voiceband modem circuit to a common phoneline connector
01/02/2002EP1168746A2 Data allocation to aid frequency-domain interpolation
01/02/2002EP1168741A2 Determination of a discrimination threshold in an optical transmission system
01/02/2002EP1168740A2 Line driver with adaptive impedance
01/02/2002EP1168739A1 Method and apparatus for estimating the impulse response of a transmission channel, in particular for a cellular mobile telephone
01/02/2002EP1168332A2 Adjust bit determining circuit
01/02/2002EP1168331A2 Signal demodulating method and signal demodulating apparatus
01/02/2002EP1166518A1 Correction of phase and amplitude imbalance of i/q modulator
01/02/2002EP1166513A2 Method and device for transmitting a transmission signal via a two-core line
01/02/2002EP1166512A1 Adaptive filter equalisation techniques
01/02/2002EP1166484A1 Method and system for improving the link margin in satellite communications
01/02/2002EP1166457A1 Channel estimation in a cdma wireless communication system
01/02/2002EP1166437A1 Power efficient line driver
01/02/2002EP1019847A4 System for dynamically adapting the length of a filter
01/02/2002CN1329790A Current mode data transmission
01/02/2002CN1329789A Channel estimator with variable number of taps
01/02/2002CN1329786A Synchronization tracking method
01/02/2002CN1329409A Speed adaptive channel estimation method and its equipment
01/02/2002CN1077367C A cellular/satellite communications system with improved frequency re-use
01/02/2002CN1077361C Method and apparatus for multiuser-interference reduction
01/02/2002CN1077353C Method and apparatus for coherent channel estimation in communication system
01/01/2002US6336201 Synchronization in a communications system with multicarrier telephony transport
01/01/2002US6336192 Parallel redundancy encoding apparatus
01/01/2002US6335949 Non-linear signal receiver
01/01/2002US6335913 Disk memory device and disk read-out signal processor
01/01/2002US6335815 Optical receiver
01/01/2002US6335718 Data transmission apparatus and method
01/01/2002US6335647 Skew adjusting circuit
01/01/2002CA2229453C Data transmitting method, data transmitting system transmitter, and receiver
01/01/2002CA2196209C Process of compensating for the differences travel times of group between the analog filters of a transmitter and those of a receiver of signals in quadrature phase, device and system for adaptive transmission
12/2001
12/27/2001WO2001099365A1 System and method for high data rate transmission
12/27/2001WO2001099364A1 System and method high data rate transmission
12/27/2001WO2001099363A1 Demodulator for cpfsk-modulated signals by use of a linear approximation to the cpfsk signal
12/27/2001WO2001099329A1 Error estimation method and apparatus
12/27/2001WO2001099324A2 Communication bus system
12/27/2001WO2001099320A1 Rate self-adaptive channel estimation method and the installation
12/27/2001WO2001099293A2 System and method for peak power reduction in multiple carrier communications systems
12/27/2001WO2001099275A1 Signal modulation
12/27/2001WO2001047201A3 Method for transmitting data from an interrogating device to portable objects
12/27/2001WO2001047170A3 Method and apparatus for characterization of disturbers in communication systems
12/27/2001WO2001028121A3 Spread-spectrum modem with saw resonator and pulse shaping
12/27/2001WO2000079723A8 Digital impairment learning sequence
12/27/2001US20010056332 Timing control means for automatic compensation of timing uncertainties
12/27/2001US20010055355 Clock recovery circuit
12/27/2001US20010055348 Sequential quadrant demodulation of digitally modulated radio signals
12/27/2001US20010055344 Signal transmission circuit and method for equalizing disparate delay times dynamically, and data latch circuit of semiconductor device implementing the same
12/27/2001US20010055343 Upstream data transmission
12/27/2001US20010055342 Mapping arrangement for digital communication system
12/27/2001US20010055334 Method and apparatus for decoding variable rate data using hypothesis testing to determine data rate
12/27/2001US20010055331 Multi-pair gigabit ethernet transceiver
12/27/2001US20010055320 Multiplex communication
12/27/2001US20010055319 Robust techniques for optimal upstream communication between cable modem subscribers and a headend
12/27/2001US20010055295 Signal transmission/reception system of orthogonal frequency division multiplexing
12/27/2001US20010055133 Method and apparatus to determine a discrimination threshold of a received signal, and an optical transmission system
12/27/2001US20010054917 Driver circuit, receiver circuit, and semiconductor integrated circuit device
12/26/2001CN1328739A Method for disturbance compensation of signal generated by discrete multitone-modulation and circuit arrangement for implementing said method
12/26/2001CN1328737A Adaptive channel characterization using decoded symbols
12/26/2001CN1076917C Base band shaping filter of CDMA spread spectrum radio communication system base station