Patents for H04L 25 - Baseband systems (55,083)
01/2001
01/30/2001US6181157 Resistor mirror
01/30/2001US6181156 Noise suppression circuits for suppressing noises above and below reference voltages
01/26/2001CA2278909A1 Reduced power line driver
01/25/2001WO2001006723A1 Baseband signal converter for a wideband impulse radio receiver
01/25/2001WO2001006695A1 Method and apparatus for channel estimation with transmit diversity
01/25/2001WO2001006683A1 Physical channel estimator
01/25/2001WO2001006670A1 Method for estimating the channel impulse response of a mobile radio channel
01/25/2001WO2001006379A1 Method and apparatus for generating a control signal bitstream
01/25/2001DE19946218C1 Driver circuit for electronic data transmission component e.g. IR transmission diode, uses controlled switch for supplying voltage to voltage-controlled resistance providing driver current pulses
01/25/2001DE19916635C1 Verfahren und Vorrichtung zum Übertragen eines Sendesignals über eine zweiadrige Leitung Method and apparatus for transmitting a transmission signal via a two-wire cable
01/25/2001DE10017085A1 CAN-Bus termination circuit has first stage connected to CAN bus to monitor bus electrical operating parameter, second stage selectively activated by first stage to terminate CAN bus
01/25/2001CA2336483A1 Physical channel estimator
01/24/2001EP1071249A1 Modulation method and device in a transmitter
01/24/2001EP1071248A2 Burst shaping
01/24/2001EP1071247A2 Channel estimation
01/24/2001EP1071159A2 A two-way paging system and apparatus
01/24/2001EP1070411A1 Initialisation of coefficients for decision feedback equalisers
01/24/2001EP1070410A2 Automatic speed detection for asynchronous serial communications
01/24/2001EP1070387A1 Dc offset correction for direct conversion tuner ic
01/24/2001CN1281602A Method and receiving device for estimating channels in communications systems
01/24/2001CN1281305A Data bus transmitter
01/24/2001CN1061205C Methgod and device for carrier exalting and compensating infrequency spreading communication system
01/24/2001CN1061186C Demodulator for manchester-coded FM signals
01/23/2001US6178213 Adaptive data recovery system and methods
01/23/2001US6178209 Method of estimating trellis encoded symbols utilizing simplified trellis decoding
01/23/2001US6178201 Controlling an adaptive equalizer in a demodulator
01/23/2001US6178200 Constellation design for a PCM modem
01/23/2001US6178198 Apparatus for, and method of, processing signals transmitted over a local area network
01/23/2001US6178179 System and method for linking a VDSL based distribution system with an xDSL based system
01/23/2001US6178161 Communications methods and apparatus
01/23/2001CA2088057C Apparatus and method for determining line rates
01/18/2001WO2001005067A1 Data rate detection device and method for a mobile communication system
01/18/2001WO2001005056A1 Receiver and adaptive equalizing method
01/18/2001WO2000064130A3 Determining the physical structure of subscriber lines
01/18/2001DE19930182A1 Bipolar/CMOS signal conversion circuit
01/17/2001EP1069739A2 Removal of a common mode voltage in a differential receiver
01/17/2001EP1068705A1 Latch-up recovery in quantized feedback dc restorer circuits
01/17/2001EP1068704A1 Filter for impulse response shortening, with additional spectral constraints, for multicarrier transmission
01/17/2001EP1068703A1 Common mode noise reduction in contactless differential bus
01/17/2001EP1068700A1 Signaling output stage for generating digital voltage signals on a bus system
01/17/2001EP1068690A1 Detection of code vectors in single frequency, multiple transmitter networks
01/17/2001EP1068675A1 A method and an arrangement in an analog line interface circuit
01/17/2001EP1068667A1 MULTI-Gb/s DATA PULSE RECEIVER
01/17/2001EP0765548A4 A system and method for equalization of forward and reverse channels of a communications highway network system
01/17/2001CN1280434A Digit signal receiver and method for receiving digit signal
01/17/2001CN1060901C Digital filtering system
01/16/2001US6175728 Direct conversion receiver capable of canceling DC offset voltages
01/16/2001US6175601 Infra-red data processing circuit
01/16/2001US6175590 Method and apparatus for determining the rate of received data in a variable rate communication system
01/16/2001US6175588 Communication device and method for interference suppression using adaptive equalization in a spread spectrum communication system
01/16/2001US6175255 Line driver circuit for low voltage and low power applications
01/16/2001CA2178681C Low-crosstalk modular electrical connector assembly
01/11/2001WO2001003396A2 Equalization with dc-offset compensation
01/11/2001WO2001003395A1 A method and apparatus for performing dc-offset compensation in a radio receiver
01/11/2001WO2001003394A1 Pulse shaping device for mobile communication systems
01/11/2001WO2001003393A1 Power efficient equalization
01/11/2001WO2001003318A1 Code division multiple access system having improved pilot channels
01/10/2001EP1067785A2 Controlled oscillator in a digital symbol timing recovery network
01/10/2001EP1067709A1 Adaptive equalizer and adaptive equalizing method
01/10/2001EP1067691A1 LVDS receiver using differential amplifiers
01/10/2001EP1066706A1 Method for digital equalisation, and radio communication receiver implementing said method
01/10/2001EP1066705A1 Iterative equalization and decoding
01/10/2001EP1066691A2 Method of performing antenna diversity in spread spectrum in wireless local area network
01/10/2001EP1066687A2 Co-channel interference in a receiver
01/10/2001CN1279512A Synchronous data collecting circuit with low voltage level and method therefor
01/09/2001US6173161 Signal improvement by predistortion/postdistortion programmable converter
01/09/2001US6173021 Method and apparatus for reducing interference in a twisted wire pair transmission system
01/09/2001US6173019 Control loop for data signal baseline correction
01/09/2001US6173018 Multi level comparator for demodulator
01/09/2001US6173015 Device and method for precoding data signals for PCM transmission
01/09/2001US6173014 Method of and apparatus for interference rejection combining and downlink beamforming in a cellular radio communications system
01/09/2001US6173011 Forward-backward channel interpolator
01/09/2001US6172992 Measuring device for the interface of a transmission link with full-duplex transmission in two-wire common band operation
01/09/2001US6172541 Driver circuit having load-independent slew rate
01/09/2001US6172539 Synchronous buffer circuit and data transmission circuit having the synchronous buffer circuit
01/09/2001US6172534 Gain control arrangement and method
01/09/2001US6172517 Signal transmitting device, circuit block and integrated circuit suited to fast signal transmission
01/04/2001WO2001001667A2 Codec circuit and method for increasing the data transmission rate in a modem transmission
01/04/2001WO2001001647A1 Method of calculating data sequences from a received signal
01/04/2001WO2001001645A1 Circuit and method for galvanically separate broadband transmission
01/04/2001WO2001001626A1 Apparatus and method for channel coding and multiplexing in cdma communication system
01/04/2001WO2001001344A2 Neural network for performing real-time channel equalisation
01/04/2001WO2001001158A1 Single ended measurement method and system for determining subscriber loop make up
01/04/2001DE19930094A1 Datenbus-Transmitter Data Bus Transmitter
01/03/2001EP1065856A2 Baseband predistortion system for linearising power amplifiers.
01/03/2001EP1065852A2 Trellis code for extended partial response maximum likelihood (EPRML) channel
01/03/2001EP1065851A1 Decision feedback equaliser with reduced-state sequence estimation
01/03/2001EP1065850A2 ISI-rejecting differential receiver
01/03/2001EP1065800A1 Code division multiple access system having improved pilot channels
01/03/2001EP1065793A2 Rake receiver with embedded decision feedback equalizer
01/03/2001EP1065600A2 Databus transceiver
01/03/2001EP1064767A1 High speed signaling for interfacing vlsi cmos circuits
01/03/2001EP1064766A2 Equaliser, using krakovian algebra, for multicarrier transmission
01/03/2001EP1064616A1 Data carrier provided with at least two decoding stages
01/03/2001CN1278975A System and method for self-adaptive maximum likelihood sequence detection
01/03/2001CN1278659A Structure for pre-taking data and timing signals in integrated circuit and method thereof
01/02/2001US6169769 Method and apparatus for bias suppression in a VCO based FM transmission system
01/02/2001US6169768 Receiving apparatus and method
01/02/2001US6169765 Apparatus and method for output signal pulse width error correction in a communications receiver
01/02/2001US6169454 Receive amplifier for high speed data