Patents for H04L 25 - Baseband systems (55,083)
10/2000
10/25/2000EP1046265A1 Reduction of the multipath effects in a full duplex transmission
10/25/2000EP1046165A1 Generation of amplitude levels for a partial response maximum likelihood (prml) bit detector
10/25/2000CN1271493A Separation level to separate a signal to be transmitted in the blanking intervals of a video signal and rectification method for said signal
10/25/2000CN1271489A Technology for determination of length of channel impulse response
10/25/2000CN1057885C Phase detector in carrrier recovery network for vestigial sideband single
10/24/2000US6137949 Apparatus and method for transmitting variable rate data according to multiple storage state indicators
10/24/2000US6137849 System and method for communicating data over a high-speed bus
10/24/2000US6137848 Method and system for joint timing recovery and channel estimation for DMT modems
10/24/2000US6137847 Demodulating digital video broadcast signals
10/24/2000US6137844 Digital filter for noise and error removal in transmitted analog signals
10/24/2000US6137843 Methods and apparatus for canceling adjacent channel signals in digital communications systems
10/24/2000US6137839 Variable scaling of 16-bit fixed point fast fourier forward and inverse transforms to improve precision for implementation of discrete multitone for asymmetric digital subscriber loops
10/24/2000US6137833 Programmable transmitter baseband equalizer
10/24/2000US6137831 Method and apparatus for reducing receiver imposed distortion
10/24/2000US6137829 System and method for transmitting special marker symbols
10/24/2000US6137827 Isolation system with digital communication across a capacitive barrier
10/24/2000US6137809 Quantization noise compensator apparatus and method
10/24/2000US6137524 Transmitter and receiver circuits for transmission of voice, data and video signals for extended distances
10/24/2000US6137351 Universal current source and current sink interface
10/24/2000US6137306 Input buffer having adjustment function for suppressing skew
10/23/2000CA2306027A1 Iterative channel estimation and compensation based thereon
10/23/2000CA2305987A1 A method of channel estimation and compensation based thereon
10/19/2000WO2000062470A1 Universal synchronous network system for internet processor and web operating environment
10/19/2000WO2000062469A1 Synchronisation arrangement for equipment connected to the public telephone network
10/19/2000WO2000062439A2 Method and device for transmitting a transmission signal via a two-core line
10/19/2000WO2000062415A1 Means and method for increasing performance of interference-suppression based receivers
10/19/2000WO2000028691A9 Multi-pair gigabit ethernet transceiver
10/19/2000CA2370634A1 Universal synchronous network system for internet processor and web operating environment
10/19/2000CA2370040A1 Means and method for increasing performance of interference-suppression based receivers
10/18/2000EP1045612A1 Method and system for re-synchronizing channels supporting the inverse multiplexing function
10/18/2000EP1044543A1 Modulating a digital signal with narrow spectrum and substantially constant envelope
10/18/2000CN1270730A Method and arrangement for demodulating data symbols
10/18/2000CN1270721A Method of and apparatus for transmitting data in a multiple carrier system
10/18/2000CN1270679A Communications interface for serially transmitting digital data, and corresponding data transmission method
10/17/2000US6134538 Procedure for equalizing distorted data signals
10/17/2000US6134280 Delayed decision feedback sequence estimator for determining optimal estimation region with small calculation quantity
10/17/2000US6134277 System and method for self-adaptive maximum likelihood sequence detection
10/17/2000US6134275 Method for transmitting data between a terminal and a portable data carrier over a wireless electromagnetic transmission link
10/17/2000US6134265 Precoding coefficient training in a V.34 modem
10/17/2000US6133963 System for echo cancellation comprising an improved ghost cancellation reference signal
10/17/2000US6133858 Bus system, a peripheral device and a method for decoding a digital signal
10/17/2000US6133783 Phase jitter canceller
10/17/2000CA2186329C Device and method for data signal detection in the presence of distortion and interference in communication systems
10/12/2000WO2000060822A1 Method, use of said method and receiver system for receiving multi-carrier signals presenting several frequency-discrete subcarriers
10/12/2000WO2000060762A1 Channel estimation in a cdma wireless communication system
10/12/2000WO2000060761A1 Channel estimating device and method, demodulating device and method, and fading frequency determining device and method
10/12/2000WO2000060473A1 Methods and apparatus for economically accessing a remote access server
10/12/2000WO2000025447A3 Diversity receiver for radio communications
10/12/2000CA2368430A1 Channel estimation in a cdma wireless communication system
10/12/2000CA2333954A1 Channel estimation device and method, demodulation device and method, and fading frequency decision device and method
10/11/2000EP1043872A2 Method and apparatus for reducing impulse noise in a signal processing system
10/11/2000EP1042889A1 Computationally efficient sequence estimation
10/11/2000EP1042861A1 Device and method for detecting pcm upstream digital impairments in a communication network
10/11/2000EP0763279A4 High speed transport system
10/11/2000CN1269670A Vertical phase demodulation circuit
10/11/2000CN1269655A passive monitoring method of low power-consumption for electronic apparatus
10/11/2000CN1057413C Frequency band separation signal digitizer and method thereof
10/10/2000US6130921 Frequency shift modulation automatic frequency correction circuit and method
10/10/2000US6130920 Method and apparatus for accurate synchronization using symbol decision feedback
10/10/2000US6130916 Method and apparatus for improving a transmission data rate of baseband data in a wireless network
10/10/2000US6130909 Method and apparatus for equalization in a diversity receiver
10/10/2000US6130894 Off-line broadband network interface
10/10/2000US6130812 Protection circuit for high speed communication
10/10/2000US6130629 Rate 24/25 (0,9) code method and system for PRML recording channels
10/10/2000US6130548 Signal converting receiver having constant hysteresis, and method therefor
10/10/2000CA2164027C Digital radio receiver
10/05/2000WO2000059174A1 Correction of phase and amplitude imbalance of i/q modulator
10/05/2000WO2000059168A1 Adaptive filter equalisation techniques
10/05/2000WO2000010272A9 Efficient spectral saving fqpsk and fqam signal transmission and reception systems
10/04/2000EP1041783A2 Encoding, modulation and multiplexing for optical transmission
10/04/2000EP1041782A2 Encoding of data for transmission over differential lines
10/04/2000EP1041781A1 Soft output metrics generation for symbol detectors
10/04/2000EP1041751A2 Receiver for optical signals
10/04/2000EP1041731A1 Method and arrangement to estimate transmission channel characteristics
10/04/2000EP1041691A2 An optical transmission circuit using a semiconductor laser
10/04/2000EP1041571A2 Dynamic-latch-receiver with self-reset pointer
10/04/2000EP1040627A1 Group delay equalizer
10/04/2000EP0759242B1 Circuit for transmitting digital signals
10/04/2000CN1269081A Method for parameter estimation and receiver
10/04/2000CN1268829A Soft output prodn. used for code element detector
10/03/2000US6128560 Malfunction diagnosis system and method for on-vehicle electronic control units
10/03/2000US6128354 Data detection pre-amplifier circuit
10/03/2000US6128353 Code division multiple access system with dynamic histogram control
10/03/2000US6128347 Signal transmission circuit with protection line driven with signal having same phase as transmission signal
10/03/2000US6128337 Multipath signal discrimination
10/03/2000US6128322 High-speed data transmission in mobile communication networks
10/03/2000US6128317 Transmitter and receiver supporting differing speed codecs over single links
10/03/2000US6128112 Weighted-sum processing method and apparatus for decoding digital signals
10/03/2000US6127954 PRML code encoding and decoding methods for high-density data storage device
10/03/2000US6127849 Simultaneous bi-directional input/output (I/O) circuit
10/03/2000US6127840 Dynamic line termination clamping circuit
10/03/2000CA2186220C Apparatus and method for integrating downstream data transfer over a cable television channel with upstream data carried by other media
09/2000
09/30/2000CA2300398A1 Method and arrangement to estimate transmission channel charateristics
09/28/2000WO2000057593A1 Method and system for improving the link margin in satellite communications
09/28/2000WO2000057570A2 Line reflection reduction with energy-recovery driver
09/28/2000WO2000041352A3 Data transmission in a telecommunications system
09/28/2000DE19914052A1 Empfänger für optisch übertragene Signale Receiver for optical signals transmitted
09/28/2000DE19913083A1 Method of estimating channel state in mobile radio system
09/28/2000DE19911464A1 Verfahren und Anordnung zur automatischen Gewinnung von Taktsignalen zur Abtastung von Datensignalen unterschiedlicher Datenraten mit Hilfe eines Phasenregelkreises Method and arrangement for automatic extraction of clock signals for sampling data signals of different data rates by means of a phase-locked loop
09/27/2000EP1039706A1 Iterative differential detector