Patents
Sitemap › H04 - Electric communication technique › H04L - Transmission of digital information, e.g. telegraphic communication › H04L 25 - Baseband systems
Patents for H04L 25 - Baseband systems (55,083)
03/2003
03/18/2003US6535545 RF modem utilizing saw resonator and correlator and communications transceiver constructed therefrom
03/18/2003US6535073 Device and method for I/Q modulation, frequency translation and upsampling
03/18/2003US6535028 Data bus fault detection circuit and method
03/18/2003US6533586 Electromagnetic coupler socket
03/18/2003CA2289338C Frame alignment and time domain equalization for communications systems using multicarrier modulation
03/18/2003CA2148384C Methods for performing intelligent network services with an isdn network terminator located at a subscriber's premise
03/13/2003WO2003021993A1 Wireless access system using selectively adaptable beam forming in tdd frames and method of operation
03/13/2003WO2003021980A1 A method and equipment for regulating dynamically an average area of a channel estimation
03/13/2003WO2003021934A2 System for parameter estimation and tracking of interfering digitally modulated signals
03/13/2003WO2003021902A1 Method and apparatus for downlink channel estimation in the base station employing loop-back signals
03/13/2003WO2003021857A1 Optimization of the decision threshold for binary signals
03/13/2003WO2003021846A2 Communicating data using wideband communications
03/13/2003WO2003021845A2 Communicating data using wideband communications
03/13/2003WO2003021805A1 Sub-optimal iterative receiver method and system for a high-bit-rate cdma transmission system
03/13/2003WO2003021795A2 Method and apparatus for suppressing multipath interference usingprecoded pilots
03/13/2003WO2003021521A1 Relative dynamic skew compensation of parallel data lines
03/13/2003WO2003005660A3 Method of initialising the tap weights in an adaptive equaliser
03/13/2003WO2002093853A3 Adaptive biasing of a line driver
03/13/2003WO2002067518A3 Matched filter receiver using correlation shaping
03/13/2003WO2002057919A3 Redundant telecommunication system using standby unit memory updating apparatus and method of operation
03/13/2003WO2002052807A3 Equalisation and subcarrier suppression
03/13/2003WO2002013424A3 Methods and systems for digitally processing optical data signals
03/13/2003US20030051091 Latched sense amplifiers as high speed memory in a memory system
03/13/2003US20030051086 Automated calibration of I/O over a multi-variable eye window
03/13/2003US20030050016 Periodic calibration on a communications channel
03/13/2003US20030048902 Method and apparatus for scrambling and descrambling the ATM cell payloads
03/13/2003US20030048862 Automatic calibration & synchronization for digital asynchronous communication
03/13/2003US20030048859 Receiver for high bitrate binary signals
03/13/2003US20030048858 Method of reconstructing data transmitted over a transmission path in a receiver and corresponding device
03/13/2003US20030048856 Method and apparatus for processing data for transmission in a multi-channel communication system using selective channel inversion
03/13/2003US20030048852 Method and system for reducing inter-symbol interference effects in transmission over a serial link with mapping of each word in a cluster of received words to a single transmitted word
03/13/2003US20030048851 Encoding method and system for reducing inter-symbol interference effects in transmission over a serial link
03/13/2003US20030048840 Adaptive equalizer
03/13/2003US20030048839 Training of equalisers, for use with signals of differing data rates
03/13/2003US20030048838 Two-stage equalization apparatus and method using same
03/13/2003US20030048837 Transmission apparatus, transmission level correcting method and transmission control program
03/13/2003US20030048835 ADSL modem apparatus
03/13/2003US20030048834 Spectrally efficient FQPSK, FGMSK, and FQAM for enhanced performance CDMA, TDMA, GSM, OFDM, and other systems
03/13/2003US20030048753 Method and apparatus for multi-path elimination in a wireless communication system
03/13/2003US20030048384 Method for transmitting data streams, and warm start sequence for S(H)DSL transmission/reception devices
03/13/2003US20030048210 Transmission and reception interface and method of data transmission
03/13/2003US20030048113 Voltage mode bidirectional port with data channel used for synchronization
03/13/2003CA2496402A1 Communicating data using wideband communications
03/12/2003EP1292079A2 Partial response encoder and decoder
03/12/2003EP1292078A1 Receiver with three decision circuits
03/12/2003EP1292077A2 Sequence estimation for PSK signals
03/12/2003EP1292076A2 Driver circuit
03/12/2003EP1292063A1 Frame synchronization apparatus and frame synchronization method
03/12/2003EP1290843A2 Method and apparatus for optical signal detection
03/12/2003EP1290842A2 Adaptive precoding
03/12/2003EP1290821A2 Baseband processors and methods and systems for decoding a received signal having a transmitter or channel induced coupling between bits
03/12/2003EP1290792A1 Method and apparatus for the equalization of linearly distorted signals
03/12/2003EP1114530A4 Data rate detection device and method for a mobile communication system
03/12/2003CN1402927A Method and arrangement for synchronizing receiver to quadrature amplitude modulated signal
03/12/2003CN1402924A Power efficient equalization
03/12/2003CN1402923A Blind rate detection in multiplexed transmission system
03/12/2003CN1402922A Channel estimating method and apparatus thereof
03/12/2003CN1402919A Bit error estimates from pilot signals
03/12/2003CN1402438A Cable up signal base band transmission method
03/12/2003CN1402350A Semiconductor capable of preventing generating multiple reflection, and driving and setting method
03/12/2003CN1402239A Asymmetric error correction device and method, and clock restoring device using same
03/12/2003CN1103104C Signal modulation method, signal modulator, signal demodulation method and signal demodulator
03/11/2003US6532337 Digital-signal playback apparatus
03/11/2003US6532320 Equipments, transpondor and methods for optical fiber transmission
03/11/2003US6532272 RAM-search processor for intersymbol interference cancellation
03/11/2003US6532267 Variable rate constellation precoding
03/11/2003US6532260 Pulse transmission device for use in long-distance communication
03/11/2003US6532259 Equalization method and apparatus with gain adjustment for direct access storage device (DASD) data channels
03/11/2003US6532256 Method and apparatus for signal transmission and reception
03/11/2003US6531931 Circuit and method for equalization of signals received over a communication system transmission line
03/11/2003US6531902 Line driver operative from a single supply and method for supplying voltages to a load
03/11/2003US6531896 Dual mode transmitter
03/11/2003US6531892 Bias voltage generator usable with circuit for producing low-voltage differential signals
03/11/2003CA2249979C Transition controlled balanced encoding scheme
03/07/2003CA2357198A1 An adaptive receiver for interference suppression and multipath reception in long-code code-division multiple-access wireless communication systems
03/06/2003WO2003019893A1 Communication quality estimation method, communication quality estimation apparatus, and communication system
03/06/2003WO2003019889A2 Data reconstruction in a receiver
03/06/2003WO2003019848A2 Enhanced frequency domain equalization in ofdm communication
03/06/2003WO2003019832A1 Mobile body communication system, multi-carrier cdma transmission apparatus, and multi-carrier cdma reception apparatus
03/06/2003WO2003019792A1 System and method performing quadrature amplitude modulation by combining co-sets and strongly coded co-set identifiers
03/06/2003WO2003019791A2 System and method for reducing the peak power in multi-carrier modulation
03/06/2003WO2002102006A3 Method for whitening colored noise
03/06/2003WO2002101940A3 Receiver having decision feedback equalizer with remodulation
03/06/2003WO2002076052A9 Symmetric line coding
03/06/2003WO2002041504A3 Methods and apparatus for identifying asset location in communication networks
03/06/2003WO2002039684A3 Method and circuit for pre-emphasis equalization in high speed data communications
03/06/2003WO2002030072A3 Switched positive feedback for controlling input impedance
03/06/2003US20030046618 Relative dynamic skew compensation of parallel data lines
03/06/2003US20030045297 Communication system employing channel estimation loop-back signals
03/06/2003US20030044005 Data scrambler
03/06/2003US20030043940 Digital automatic gain control with feedback induced noise suppression
03/06/2003US20030043935 Signal receiver apparatus and method for detecting logic state represented by an input signal and semiconductor integrated circuit device having the same
03/06/2003US20030043926 Circuit and method for generating a timing signal, and signal transmission system performing for high-speed signal transmission and reception between LSIs
03/06/2003US20030043925 Method and system for detecting, timing, and correcting impulse noise
03/06/2003US20030043894 Time domain equalizer for DMT modulation
03/06/2003US20030043892 Method of equalizing a received signal, receiver and receiving station for it
03/06/2003US20030043890 Method for estimating channel parameters of radio channels of a W-CDMA mobile radio system
03/06/2003US20030043887 Communication system and methods of estimating channel impulse responses therein
03/06/2003US20030043822 Method and system of bidirectional data transmission and reception
03/06/2003US20030043775 Mobile communication terminal
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