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)
12/2002
12/05/2002WO2002098088A1 Time interval based channel estimation with transmit diversity
12/05/2002WO2002097814A1 High-speed zero phase restart of a multiphase clock
12/05/2002WO2002097646A2 Parallel data communication having skew intolerant data groups
12/05/2002WO2002097639A2 A power frequency adjustable uart device
12/05/2002WO2002080379A3 Adaptive chip equalizers for synchronous ds-cdma system with pilot sequences
12/05/2002WO2002067526A3 Channel estimation in multicarrier transmission systems
12/05/2002WO2002056567A3 Reduced soft output information packet selection
12/05/2002US20020184599 Data processing apparatus with circuit for confirming normality of serial transmission data
12/05/2002US20020184564 Data regenerator with adjustable decision threshold and adjustable sampling instant
12/05/2002US20020184552 Parallel data communication having skew intolerant data groups
12/05/2002US20020184549 Parallel data communication having multiple sync codes
12/05/2002US20020184544 Parallel data communication consuming low power
12/05/2002US20020184543 Power and frequency adjustable UART device
12/05/2002US20020184426 Method of terminating bus, bus termination resistor, and wiring substrate having terminated buses and method of its manufacture
12/05/2002US20020184173 Analog detection, equalization and decoding method and apparatus
12/05/2002US20020181636 Method and arrangement for synchronizing a receiver to a quadrature amplitude modulated signal
12/05/2002US20020181633 Means and method for a synchronous network communications system
12/05/2002US20020181625 Reduced complexity intercarrier interference cancellation
12/05/2002US20020181624 Method and apparatus for making a channel estimate
12/05/2002US20020181618 Signal receiving circuit, semiconductor device and system
12/05/2002US20020181616 Apparatus and method for slicing RF signal and compensating for the slice level of RF signal in disk drive
12/05/2002US20020181608 Combining a clock signal and a data signal
12/05/2002US20020181602 Digital carrierless amplitude and phase modulation (CAP) transmitter using vector arithmetic structure (VAS)
12/05/2002US20020181601 Receiver with baseline wander correction and correction method thereof
12/05/2002US20020181578 Data transmission method and data transmission device
12/05/2002US20020181576 Blind magnitude equalizer for segment sync-based timing recovery of receivers
12/05/2002US20020181575 Circuitry for Mitigating performance loss associated with feedback loop delay in decision feedback equalizer and method therefor
12/05/2002US20020181574 Adaptive equalizer and adaptive equalizing method
12/05/2002US20020181573 Adjustment of equalization parameters in receivers
12/05/2002US20020181572 Joint timing recovery and equalization for an N antenna system
12/05/2002US20020181567 Rapid identification of transmission media channel characteristics
12/05/2002US20020181566 Fiberoptic transceiver system
12/05/2002US20020181562 Equalisation method and device of the GMMSE type
12/05/2002US20020181553 Doppler spread/velocity estimation in mobile wireless communication devices and methods therefor
12/05/2002US20020181549 Multicarrier receiver with channel estimator
12/05/2002US20020181458 Data partitioning for multi-link transmission
12/05/2002US20020181438 Centralized synchronization for wireless networks
12/05/2002US20020181430 Space-time transmit diversity scheme for time-dispersive propagation media
12/05/2002US20020181411 Method and system for transmiting data and for determining the transmission properties in a radio communications system
12/05/2002US20020181390 Estimating channel parameters in multi-input, multi-output (MIMO) systems
12/05/2002US20020181389 Channel estimation for wireless OFDM systems
12/05/2002US20020181050 Bi-directional communication system
12/05/2002US20020181040 Decision circuit for high data rates as well as eye monitor, pseudoerror monitor, and system using the circuit
12/05/2002US20020180506 Supply voltage compensation circuit for high speed LVDS predrive
12/05/2002US20020180479 Pull-up terminator
12/05/2002DE10131309A1 Determining/controlling transition time of electrical signal on line involves detecting time to receive signal from transmitter reflected to receiver at one end of line with other end unterminated
12/04/2002EP1263180A1 Decision feedback equalizer whereby feedforward filter includes post-cursor and pre-cursor taps
12/04/2002EP1263179A1 Channel estimation for a CDMA system using coded control symbols as additional pilot symbols
12/04/2002EP1262056A2 Pair-gain system with v.90 rate capabilities
12/04/2002EP1262048A2 System and method for high speed communications using digital signal processing
12/04/2002CN1383659A Device for encoding/decoding N-bit source words into corresponding M-bit channel words, and vice versa
12/04/2002CN1383658A Communication bus system, appts. and equipment used in such system
12/04/2002CN1383640A Information transmission method of mobile communication system
12/04/2002CN1383620A Method for reducing effects of interference, and receiver
12/04/2002CN1383148A Appts. and method for clipping RF signal and compensating clipping level
12/04/2002CN1095620C Baseband shaping filter device and its digital implement method
12/03/2002US6490327 System and method for self-adaptive maximum likelihood sequence detection using a T-algorithm
12/03/2002US6490318 Phase-compensating constant modulus algorithm
12/03/2002US6490295 High-speed MODEM operating over two or more telephone lines
12/03/2002US6490069 Transmission and reception of duobinary multilevel pulse-amplitude-modulated optical signals using subtraction-based encoder
12/03/2002US6490056 Communication speed switching device
12/03/2002US6490007 Adaptive channel equalizer
12/03/2002US6489838 Apparatus and method for equalizing received network signals using a single zero high-pass filter having selectable impedance
12/03/2002US6489837 Digitally controlled impedance for I/O of an integrated circuit device
12/03/2002US6489757 Optical interface with low-voltage relay unit and high-voltage regulation unit
11/2002
11/28/2002WO2002096050A2 Transmitter for transmitting digital data over a transmission line
11/28/2002WO2002096049A1 Channel estimation in cdma communications systems using both lower power pilot channel and higher power date channel
11/28/2002WO2002096034A1 Method and system for transmitting signals between a high speed serial bus and a coaxial cable
11/28/2002WO2002095945A2 Method and apparatus for impedance matching in a transmission
11/28/2002WO2002095569A1 A method of, and apparatus for, rotating a 2d vector
11/28/2002WO2002067527A3 Multicarrier equalisation using multiplication by a leakage matrix
11/28/2002WO2002060136A3 Adaptive adjustment of time domain and frequency domain equalizers in multicarrier receivers
11/28/2002WO2002037780A3 Line driver for supplying symmetrical output signals to a two-wire communication bus
11/28/2002WO2002033926A3 Systems and methods that provide frequency domain supplemental training of the time domain equalizer for dmt
11/28/2002WO2002019541A3 Method and device for the pre-equalisation of radio channels
11/28/2002US20020177426 Interference elimination system and interference eliminating method
11/28/2002US20020176518 Recovery of high speed, high bit error rate data
11/28/2002US20020176493 Pulse transmission device for use in long-distance communication
11/28/2002US20020176492 Methods for receiving diversity transmissions including prefiltering to provide minimum phase channel characterstics and related receivers
11/28/2002US20020176491 Jitter measurement using mixed down topology
11/28/2002US20020176485 Multi-cast communication system and method of estimating channel impulse responses therein
11/28/2002US20020176482 Method of reconfiguration of radio parameters for power-aware and adaptive communications
11/28/2002US20020176299 High-speed zero phase restart of a multiphase clock
11/28/2002US20020176138 Infrared encoder/decoder having hardware and software data rate selection
11/28/2002US20020175837 Symmetric line coding
11/28/2002US20020175749 Differential signal transfer circuit
11/28/2002US20020175701 Signal transmitting device suited to fast signal transmission
11/28/2002US20020175700 Impedance adjustment circuit
11/28/2002DE10124177A1 Reconstruction of pulsed symbolic analog data subject to transmission link interference, employs filtration, ADC and digital cable approximation
11/28/2002DE10123742A1 Regelung und Fehlerkorrektur für Impulsausgabe Control and error correction for pulse output
11/28/2002DE10104133A1 Audio transmission system for providing internet pages with pre-recorded voice- and sound/audio-elements, provides direct designation without long waiting times
11/28/2002CA2448258A1 Channel estimation in cdma communications systems using both lower power pilot channel and higher power data channel
11/27/2002EP1261181A2 Channel estimation for wireless systems with multiple transmit antennas
11/27/2002EP1261141A2 Interference elimination system and interference eliminating method
11/27/2002EP1260075A1 Method for coded modulation taking account of the error sensitivity of the user data and encrypting said data after coding
11/27/2002EP1260072A1 Dsl repeater
11/27/2002EP1260071A1 Method and device for estimating channel propagation
11/27/2002EP1260049A2 A modulation scheme for fdd/tdd transceivers
11/27/2002EP1260027A2 Dc-offset correction circuit having a dc control loop and a dc blocking circuit
11/27/2002CN1382336A Equalizer with two paths
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