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)
11/2002
11/14/2002WO2002091734A1 Method and apparatus for echo cancellation in digital communications using an echo cancellation reference signal
11/14/2002WO2002091693A1 Device and method for compensating for a direct voltage offset and for adjusting a decision threshold for optical data transmission networks
11/14/2002WO2002091643A1 Estimation method of flat fading channel in cdma communication system and apparatus for the same
11/14/2002WO2002091600A2 High-speed adjustable multilevel light modulation
11/14/2002WO2002091572A1 Adaptive equalizer system for short burst modems and link hopping radio networks
11/14/2002WO2002067525A3 Intercarrier interference cancellation in multicarrier receivers
11/14/2002WO2002058413A3 Apparatus and method for operating a subscriber interface in a fixed wireless system
11/14/2002US20020168040 Sequential decoding with backtracking and adaptive equalization to combat narrowband interference
11/14/2002US20020168034 Burst detector
11/14/2002US20020168024 Digital line driver circuit
11/14/2002US20020168019 Apparatus and method to reduce size and complexity of reconstruction filters in a multi-protocol transmitter
11/14/2002US20020168017 Method and system of iterative coding/decoding of digital data streams coded by spatio-temporal combinations, in multiple transmission and reception
11/14/2002US20020168002 Initialization scheme for a hybrid frequency-time domain equalizer
11/14/2002US20020168001 Systems and method for determining the phase angle response in a CATV system
11/14/2002US20020167999 Equalizer, receiver, and equalization method and reception method
11/14/2002US20020167998 Channel delay spread adaptive equalization and decoding
11/14/2002US20020167997 Method of compensating signal distortion of one-tap equalizer bank for the orthogonal frequency division multiplexing system
11/14/2002US20020167996 Arrangement for analyzing the nonlinear properties of a communication channel
11/14/2002US20020167992 Method for reliable signaling information transmission in a wireless communication system
11/14/2002US20020167923 Method and apparatus for estimating channel characteristics using pilot and non-pilot data
11/14/2002US20020167913 Adaptive channel estimation in a wireless communication system
11/14/2002US20020167707 Data regenerator and optical receiver
11/14/2002US20020167700 Circuitry for determining levels in data flows, input circuitry for such data flows, exchange for exchanging such data flows, and optical power equalizer
11/14/2002US20020167693 Increasing data throughput in optical fiber transmission systems
11/14/2002US20020167373 Ultrafast sampler with non-parallel shockline
11/14/2002US20020167348 Apparatus for adjusting input capacitance of semiconductor device and fabricating method
11/14/2002US20020167342 Signal reception circuit, data transfer control device and electronic equipment
11/14/2002US20020167341 Signal detection circuit, data transfer control device and electronic equipment
11/14/2002US20020167339 Data comparator using non-inverting and inverting strobe signals as a dynamic reference voltage and input buffer using the same
11/14/2002US20020167338 Signal transfer circuit
11/14/2002US20020167333 Differential signal output circuit
11/14/2002US20020167331 Middle pull-up point-to-point transceiving bus structure
11/14/2002DE10122643A1 Determining detection time point in pre-equalized data signals from sender using one or more transmission channels
11/14/2002DE10121912A1 Verfahren zur zentralen Datenraten-Einstellung in einer Datenübertragungsanlage sowie Vorrichtung zur zentralen Datenraten-Einstellung Method for central data rate setting in a data transmission system and device for central data rate setting
11/14/2002DE10121757A1 Data regenerator for high bit rate transparent transmission systems optimizes decision thresholds and sampling time points based on sampled binary signal comparison values
11/14/2002DE10121716A1 Circuit arrangement for signal evaluation circuit has auxiliary parameter determination device with input connected to signal processor output, output connected to DAC digital input
11/14/2002DE10121715A1 Schaltungsanordnung zum Auswerten eines Informationssignals sowie Verfahren zum Einstellen einer solchen Schaltungsanordnung Circuitry for evaluating an information signal, as well as method for setting of such a circuit arrangement
11/14/2002CA2484899A1 Adaptive equalizer system for short burst modems and link hopping radio networks
11/14/2002CA2446765A1 High-speed adjustable multilevel light modulation
11/13/2002EP1257105A2 Equalization for ADSL using a mixed time domain and frequency domain approach
11/13/2002EP1257103A1 Circuitry for determining levels in data flows
11/13/2002EP1257102A1 Digital line driver circuit operable with and without pre-emphasis
11/13/2002EP1257101A1 Interference cancellation using a reduced midamble matrix
11/13/2002EP1257053A1 Differential signal transfer circuit
11/13/2002EP1256222A1 System and method for near optimal joint channel estimation and data detection for cofdm systems
11/13/2002EP1256220A2 Multi-link transmission of data over a cellular network
11/13/2002EP1256219A1 Method for adapting a decision level during the conversion of an analog signal into a digital signal and digital receiver
11/13/2002EP1256218A1 Delayed decision feedback log-map equalizer
11/13/2002EP1256217A1 Methods, receivers and equalizers having increased computational efficiency
11/13/2002EP1256216A1 Method for estimating radio channel parameters in a w-cdma mobile radio system
11/13/2002EP1256215A1 Least squares channel estimation with colored noise correction
11/13/2002EP1256195A1 System and method for adjusting pcm data frames for robbed bit signaling in a telephone network
11/13/2002EP1256184A1 Method and apparatus for the control of modem transmit power
11/13/2002EP1256183A1 Data mode signaling system for pcm modem adaptation
11/13/2002EP1256182A1 High speed dial-up service using pcm modem technology
11/13/2002EP1256181A1 Method and apparatus for adjustment of the sampling phase in a pcm modem system using a dual-phase probing signal
11/13/2002EP1256180A1 Pcm modem adaptation system utilizing a silence period
11/13/2002EP0901617B1 Eye mask for measurement of distortion in optical transmission systems
11/13/2002EP0808530B1 Bi-directional signal transmission system
11/13/2002CN1379937A Method and system for robust frame type protection in system employing variable bit rates
11/12/2002US6481013 Entertainment and computer coaxial network and method of distributing signals therethrough
11/12/2002US6480602 Ring-detect interface circuitry and method for a communication system
11/12/2002US6480556 Rate detection apparatus and method for variable rate speech encoding
11/12/2002US6480554 Channel estimation in a CDMA cellular communication system
11/12/2002US6480552 Soft output metrics generation for symbol detectors
11/12/2002US6480549 Method for determining attenuation in a digital PCM channel
11/12/2002US6480548 Spacial derivative bus encoder and decoder
11/12/2002US6480536 Method and apparatus for demodulating and equalizing an AM compatible digital audio broadcast signal
11/12/2002US6480534 Apparatus and method for a reduced component equalizer circuit
11/12/2002US6480533 Method and apparatus for receiving control signals in a data communication system having a fully digital communication channel
11/12/2002US6480512 Method and device for converting bit rate of serial data
11/12/2002US6480477 Method and apparatus for a data transmission rate of multiples of 100 MBPS in a terminal for a wireless metropolitan area network
11/12/2002US6480151 GPS receiver interference nuller with no satellite signal distortion
11/12/2002US6480138 Method of transmitting data within pulse intervals of a rotational speed signal, and circuit arrangement for implementing the method
11/12/2002US6480022 Low voltage differential dual receiver
11/12/2002US6480021 Transmitter circuit comprising timing deskewing means
11/12/2002CA2246483C Error correction of system transfer function by use of input compensation
11/12/2002CA2199902C Interface circuit and method for transmitting binary logic signals with reduced power dissipation
11/07/2002WO2002089435A1 Controlled modulation distortion
11/07/2002WO2002089434A1 Control channel coding and decoding
11/07/2002WO2002089405A2 Fibre channel transceiver
11/07/2002WO2002089365A1 Reception apparatus
11/07/2002WO2002089345A1 Method and apparatus for signal detection in ultra wide-band communications
11/07/2002WO2002088984A1 Flow control system to reduce memory buffer requirements and to establish priority servicing between networks
11/07/2002WO2002033878A3 Method and device for identifying a data packet in a data stream
11/07/2002WO2002021782A3 Calibration of a multi-level current mode driver
11/07/2002US20020164967 Radio receiving device and radio receiving method
11/07/2002US20020164966 Pre-equalizer structure based on PN511 sequence for terrestrial DTV reception
11/07/2002US20020164955 Blind process and receiver to determine space-time parameters of a propagation channel
11/07/2002US20020163985 Method and system for regulating the decision threshold and the sampling clock phase of a data regenerator for a binary signal
11/07/2002US20020163978 Reception method and receiver for mobile radiotelephone applications
11/07/2002US20020163976 Method for transmitting data
11/07/2002US20020163972 Method of selecting a PCM modem signal constellation in relation to channel impairments
11/07/2002US20020163961 Low-cost high-speed multiplier/accumulator unit for decision feedback equalizers
11/07/2002US20020163960 Apparatus and method for adaptive control
11/07/2002US20020163898 Fast acquisition of traffic channels for a highly variable data rate reverse link of a CDMA wireless communication system
11/07/2002US20020163598 Digital visual interface supporting transport of audio and auxiliary data
11/07/2002US20020163360 Constant impedance driver for high speed interface
11/07/2002US20020163355 Pad calibration circuit with on-chip resistor
11/07/2002US20020163353 Dynamic register with IDDQ testing capability
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