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)
12/2003
12/02/2003US6658242 TDMA wireless telephone system with independently tracked demodulation parameters
12/02/2003US6658097 Codec circuit and method for increasing the data transmission rate during a modem transmission
12/02/2003US6658071 Delayed decision feedback log-map equalizer
12/02/2003US6658061 Marginable clock-derived reference voltage method and apparatus
12/02/2003US6658050 Channel estimates in a CDMA system using power control bits
12/02/2003US6658047 Adaptive channel equalizer
12/02/2003US6657949 Efficient request access for OFDM systems
12/02/2003US6657566 Conversion of a PCM signal into a UPWM signal
12/02/2003US6657460 Spatially filtered data bus drivers and receivers and method of operating same
12/02/2003CA2314555C Signal notching system for limiting signal peaks
11/2003
11/27/2003WO2003098916A2 High-resolution image projection
11/27/2003WO2003098854A1 Ofdm equalizer filter with shared multiplier
11/27/2003WO2003098853A1 Receiving device, receiving method, and device for measuring transmission channel characteristic
11/27/2003WO2003098850A1 Higher layer bonding of multiple access lines for carrier grade access
11/27/2003WO2003098833A2 Apparatus and method of echo-cancellation
11/27/2003WO2003098832A2 Time domain equalization using frequency domain operations
11/27/2003WO2003098824A2 Demodulator for pulse-position modulated signals, demodulation method and signal receiver equipped with same
11/27/2003WO2003098644A2 Data access arrangement using a high frequency transformer for electrical isolation
11/27/2003WO2003075495A3 Multiplexing an additional bit stream with a primary bit stream
11/27/2003WO2003069799A3 Method for discriminating between transmitters using channel impulse responses
11/27/2003WO2003053019A3 Single clock receiver
11/27/2003WO2003047118A3 Method and apparatus for determining the log-likelihood ratio with precoding
11/27/2003WO2003039008A3 Method and apparatus for decoding lattice codes and multilevel coset codes
11/27/2003WO2003013051A3 Timing recovery in data communication circuits
11/27/2003WO2002069238A3 Managing coherence via put/get windows
11/27/2003US20030221157 Method for segmentally deinterleaving a data signal
11/27/2003US20030220011 Modular connector for a data communications system enabling near-end crosstalk to be adjusted
11/27/2003US20030219085 Self-initializing decision feedback equalizer with automatic gain control
11/27/2003US20030219079 Data transmission method and arrangement
11/27/2003US20030219064 Segment-wise channel equalization based data estimation
11/27/2003US20030219043 Data receiving circuit that can correctly receive data, even when high-speed data transmission is performed, using small amplitude clock
11/27/2003US20030219040 Apparatus, method and storage medium for carrying out deskew among multiple lanes for use in division transmission of large-capacity data
11/27/2003US20030219004 Synchronized data communication on a one-wired bus
11/27/2003US20030218973 System and method for data detection in wireless communication systems
11/27/2003US20030218557 Analog to digital converter with interpolation of reference ladder
11/27/2003US20030218477 Circuit and method for controlling on-die signal termination
11/27/2003US20030218476 Device and method to cause a false data value to be correctly seen as the proper data value
11/27/2003DE10218123C1 Subscriber signal transmission method for cellular radio communications system incorporates suppression of interference between the same channel for adjacent radio cells
11/26/2003EP1365555A1 Circular buffer for delay compensation in parallel transmission
11/26/2003EP1365554A1 Computation of coefficients for a decision feedback equaliser with variable delay
11/26/2003EP1365530A1 Data receiving demultiplexer
11/26/2003EP1365522A2 Apparatus and method for up-link data communication
11/26/2003EP1364507A2 Multicarrier transmission system with reduced complexity leakage matrix multiplication
11/26/2003EP1364506A2 Multicarrier transmission system with reduced complexity channel response estimation
11/26/2003EP1364505A2 Reduced complexity intercarrier interference cancellation
11/26/2003EP1364502A1 Method and device for assessing which signals from a data flow belong to the corresponding transmission channels by means of cluster analysis
11/26/2003EP1364460A1 Interface circuit for a differential signal
11/26/2003EP1101335B1 Replacement of special characters in a data stream
11/26/2003CN1129258C Channel estimation device and method and CDMA receiver and method, CDMA transmitter-receiver and method
11/26/2003CN1129244C Method and device for estimating GSM pulse train in data stream
11/26/2003CN1129134C Data decoder
11/26/2003CN1129133C Adaptive equalizing circuit
11/25/2003US6654824 High-speed dynamic multi-lane deskewer
11/25/2003US6654719 Method and system for blind separation of independent source signals
11/25/2003US6654593 Combined discrete automatic gain control (AGC) and DC estimation
11/25/2003US6654590 Determining a calibration function using at least one remote terminal
11/25/2003US6654462 Line terminal circuit for controlling the common mode voltage level on a transmission line
11/25/2003US6654431 Multicarrier personal access communication system
11/25/2003US6654429 Pilot-aided channel estimation for OFDM in wireless systems
11/25/2003US6654427 Signal notching system for limiting signal peaks
11/25/2003US6654413 Phase synchronization method for extended partial response, and phase synchronization circuit and read channel circuit using this method
11/25/2003US6654409 Direct digital access arrangement circuitry and method for connecting DSL circuitry to phone lines
11/25/2003US6654365 Reduced complexity trellis-based multiuser detector for CDMA
11/25/2003US6654340 Differential OFDM using multiple receiver antennas
11/25/2003US6653957 SERDES cooperates with the boundary scan test technique
11/25/2003US6653892 Squelch circuit to create a squelch waveform for USB 2.0
11/25/2003US6653870 Signal detection circuit, data transfer control device and electronic equipment
11/25/2003US6653863 Method and apparatus for improving bus capacity
11/25/2003US6653857 Increasing implicit decoupling capacitance using asymmetric shieldings
11/25/2003CA2255674C Process and device for reception with directional resolution
11/25/2003CA2171220C Multirate serial viterbi decoder for code division multiple access system applications
11/20/2003WO2003096643A1 Channel estimation for systems with transmission diversity
11/20/2003WO2003096620A1 Inverse multiplexing system over ethernet and method of using the same
11/20/2003WO2003096599A1 Diversity method and device
11/20/2003WO2003096590A2 Method and system of channel analysis and carrier selection in ofdm and multi-carrier systems
11/20/2003WO2003096589A2 Method and apparatus for parallel midamble cancellation
11/20/2003WO2003096563A1 Transmitting and receiving arrangement with a channel orientated link
11/20/2003WO2002103906B1 Low voltage differential signaling circuit with mid-point bias
11/20/2003WO2002047339A3 Output driver circuit with current detection
11/20/2003WO2002039685A9 Low-voltage differential receiver/transmitter and calibration method thereof
11/20/2003US20030215038 Jitter-resistant serial data receiving circuit
11/20/2003US20030215031 High speed modem for a communication network
11/20/2003US20030215020 Data access arrangement using a high frequency transformer for electrical isolation
11/20/2003US20030215009 Apparatus and method for data rate multiplication
11/20/2003US20030215008 Circuit configuration and method for transmitting digital signals
11/20/2003US20030215007 Method for performing an equalisation per carrier in a MC-DMA receiver
11/20/2003US20030214977 Clock distribution in a communications network
11/20/2003US20030214976 Synchronization symbol re-insertion for a decision feedback equalizer combined with a trellis decoder
11/20/2003US20030214975 Alignment and deskew device, system and method
11/20/2003US20030214917 Method and apparatus for reducing interference in multiple-input-multiple-output (MIMO) systems
11/20/2003US20030214319 Method and apparatus for non-linear termination of a transmission line
11/20/2003US20030214018 Semiconductor integrated circuit device
11/20/2003CA2485575A1 Method and apparatus for parallel midamble cancellation
11/19/2003EP1363437A1 COMMUNICATION QUALITY ESTIMATION METHOD, COMMUNICATION QUALITY ESTIMATION APPARATUS, AND COMMUNICATION SYSTEM
11/19/2003EP1363431A2 Constellation design for PCM upstream modulation
11/19/2003EP1363423A2 Data signal quality evaluation method and apparatus using high speed sampling
11/19/2003EP1363408A1 Apparatus and method of echo-cancellation
11/19/2003EP1363404A1 Pulse-width modulated sensor output signal
11/19/2003EP1363391A1 Quadrature receiver with DC offset compensation , and quadrature phase-amplitude imbalance compensation
11/19/2003EP1362459A1 System and method for transmission format detection
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