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)
12/2000
12/07/2000WO2000074264A1 Method and apparatus for high data rate wireless communications over wavefield spaces
12/07/2000WO2000074055A1 Signal processing device and method and information storage device
12/07/2000WO2000073806A1 Self-configuring communication device for interfacing different signals
12/07/2000DE19923690A1 Verfahren zur Schätzung der relativen Geschwindigkeit eines Senders gegenüber einem Empfänger und Empfangsvorrichtung für Funksignale Method for estimating the relative speed of a transmitter relative to a receiver and receiving device for radio signals
12/06/2000EP1058433A2 Conversion between CMI and NRZ
12/06/2000EP1058432A2 A low disparity coding method for digital data
12/06/2000EP1058431A2 Decision-feedback equaliser with both parallel and look-ahead processing
12/06/2000EP1058430A2 Transition control arrangment for an electrical data transmission system
12/06/2000EP1058406A2 Method and apparatus for reducing the computational complexity and relaxing the critical path of reduced state sequence estimation (RSSE) techniques
12/06/2000CN1276121A Data transmission using carrierless QAM
12/06/2000CN1276115A Method for improved wireless optical communication and frames for use in wireless optical communication system `
12/05/2000USRE36980 Partial response trellis decoder for high definition television (HDTV) system
12/05/2000US6158027 Enhanced noise-predictive maximum likelihood (NPML) data detection method and apparatus for direct access storage device (DASD)
12/05/2000US6157909 Process and device for blind equalization of the effects of a transmission channel on a digital speech signal
12/05/2000US6157689 Automatic speed detection for asynchronous serial communications
12/05/2000US6157678 Probabilistic trellis/coded modulation with PCM-derived constellations
12/05/2000US6157619 Code division multiple access (CDMA) communication system
12/05/2000US6157206 On-chip termination
12/05/2000CA2209215C Transmission rate judging unit
11/2000
11/30/2000WO2000072540A1 Equalization techniques for communication systems using orthogonal signaling
11/30/2000WO2000072539A1 Method for differentiating a differential voltage signal using current based differentiation
11/30/2000WO2000072538A1 Differential receiver
11/30/2000WO2000072488A1 Digital subscriber's line transmitting method and device
11/30/2000WO2000072455A1 Reception method and receiver for mobile radiotelephone applications
11/30/2000WO2000072163A1 High-speed digital distribution system
11/30/2000WO2000072044A1 Method and device for estimating the relative speed of a transmitter in relation to a receiver
11/30/2000WO2000038384A9 Adaptive, analogue equaliser, based on biquadratic filters
11/30/2000DE10001862A1 Adaptive distortion correction device has filter processing unit with series connected processing stages and suitable branching with coefficient set according to filter processing unit output
11/30/2000CA2308047A1 Telecommunications system
11/29/2000EP1056250A2 Reduction of peak to average power ratio and of equaliser complexity in multicarrier transmission systems
11/29/2000EP1056237A2 Diversity detection for WCDMA
11/29/2000EP1055291A1 Method and apparatus for performing rate determination using orthogonal rate-dependent walsh covering codes
11/29/2000EP1055290A2 Spread spectrum transceiver for use in wireless local area network and having multipath mitigation
11/29/2000EP0732022A4 Method and apparatus for coherent communication reception in a spread-spectrum communication system
11/29/2000CN1275279A Multi-channel automatic retransmission query (ARQ) method
11/29/2000CN1275272A Channel estimation method and device
11/29/2000CN1275258A Method and apparatus for detecting data in magnetic recording using decision feedback
11/29/2000CN1275011A Fast search process of specific synchronism series in communication system
11/29/2000CN1274998A Run-length limited code distributing method, modulating and demodulating method and device thereof
11/28/2000US6154724 Energy based pulse position detector for telephone wire networks
11/28/2000US6154507 System and method for signal demodulation
11/28/2000US6154498 Computer system with a semi-differential bus signaling scheme
11/28/2000US6154490 Signal processing apparatus
11/28/2000US6154456 Apparatus and method for digital data transmission using orthogonal codes
11/28/2000US6154066 Apparatus and method for interfacing integrated circuits having incompatible I/O signal levels
11/28/2000US6154061 CAN bus driver with symmetrical differential output signals
11/28/2000US6154060 Signaling circuit with substantially constant output impedance
11/28/2000CA2050666C D.c. offset compensation in a radio receiver
11/23/2000WO2000070857A1 Electronic inductor with transmit signal telephone line driver
11/23/2000WO2000070835A1 Method for blindly estimating channel parameters
11/23/2000WO2000070773A2 Amplitude and phase estimation method in a wireless communication system
11/23/2000WO2000041507A3 Reduced-state sequence estimation with set partitioning
11/23/2000WO2000028712A3 Cable modem system
11/23/2000WO2000028691A3 Multi-pair gigabit ethernet transceiver
11/23/2000WO2000027066A3 Dual mode qam/vsb receiver
11/23/2000DE19922184A1 Estimating channel parameters of mobile radio channel
11/23/2000DE19922172A1 Verfahren und Vorrichtung zum Korrigieren von digitalen Codewörtern in einem digitalen Kommunikationsnetz Method and apparatus for correcting of digital codewords in a digital communication network
11/22/2000EP1054541A2 Mutlicarrier receiver with soft decisions based on estimates of interference
11/22/2000EP1054538A2 Fast training of equalizers in discrete multi-tone (DMT) systems
11/22/2000EP1054536A2 Non-recursive adaptive filter, with variable orders of non-linear processing
11/22/2000EP1054522A2 Method and apparatus for measurering parameters of an electrical system
11/22/2000EP1053611A2 Inverse multiplexing over existing telephony access lines
11/22/2000CN1274497A Method and packet radio system for transmitting modulation and signalling information
11/21/2000US6151648 High speed bus system and method for using voltage and timing oscillating references for signal detection
11/21/2000US6151487 Demodulation structure for fast fading cellular channels
11/21/2000US6151484 Communications apparatus and methods for adaptive signal processing based on mobility characteristics
11/21/2000US6151375 Transmitter, receiver, communication apparatus, communication method and communication system
11/21/2000US6151370 Path-oriented decoder for signal-dependent noise
11/21/2000US6151365 Information detecting apparatus and method
11/21/2000US6151364 Codec supporting PCM modem communications over a universal digital loop carrier
11/21/2000US6151358 Method and apparatus, and computer program for producing filter coefficients for equalizers
11/21/2000US6151356 Method and apparatus for phase detection in digital signals
11/21/2000US6151334 System and method for sending multiple data signals over a serial link
11/21/2000US6151295 OFDM receiving system
11/21/2000US6151150 Method and apparatus for level decision and optical receiver using same
11/21/2000US6151149 Method and apparatus for pulse pattern modulation
11/21/2000US6150964 M=10 (2,10), D=3.75 runlength limited code for multi-level data
11/21/2000US6150922 Serial communication technique
11/20/2000CA2308825A1 Translation table and constellation design for a pcm modem subjected to alternating robbed bit signaling
11/16/2000WO2000069138A1 Method and apparatus to determine the speed of mobile communications apparatus
11/16/2000WO2000069137A1 Method and apparatus for adaptively classifying a multi-level signal
11/16/2000WO2000069135A1 Method and device for correcting digital code words in a digital communication network
11/16/2000WO2000069134A1 Multicarrier equaliser based on krakovian algebra
11/16/2000WO2000069133A1 Method and device for estimating memory-enabled transmission channels
11/16/2000WO2000069124A1 System for transmitting data, especially in a motor vehicle, and method for transmitting data
11/16/2000WO2000069080A2 Pure delay estimation
11/16/2000WO2000069071A1 Complementary current mode driver
11/16/2000WO2000069063A1 Method and apparatus for symbol estimation in a received signal
11/16/2000WO2000069023A2 Method for correcting dc offsets in a receiver
11/16/2000WO2000041458A3 Method and device for transmission signal control
11/16/2000DE19918512C1 Schaltungsanordnung mit einer Reduktionsschaltung zur Reduktion von Störlängsspannungen auf einer Zweidrahtleitung Circuit arrangement with a reduction circuit for reducing Störlängsspannungen on a two-wire cable
11/15/2000EP1052820A1 Method and apparatus to determine the speed of mobile communications apparatus
11/15/2000EP1052800A1 Transmission system, receiver and decimation device
11/15/2000EP1052784A1 Adaptive filtering for mobile communication system
11/15/2000EP1051822A1 Decision feedback equalizer with noise prediction
11/15/2000EP1051819A1 Impedance modulation signalling
11/15/2000EP1051816A1 Device for transmitting signals with low-interference
11/15/2000EP1051631A1 Method and apparatus for jitter analysis
11/15/2000CN1273724A Method for protecting important data bits using less important data bits
11/15/2000CN1273721A Device and method for cancelling code interference in CDMA communication system
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