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)
11/1999
11/10/1999CN1234929A Method and apparatus for preforming data rate determination
11/10/1999CN1234927A Preamble for assessment of channel impulse response in antenna diversity system
11/10/1999CN1234669A Predistortion method and unit for signals transmitted between two units of telecommunication network
11/10/1999CN1046393C Paging system using message sectional storage to redistribute bussiness
11/09/1999US5982837 Automatic baud rate detector
11/09/1999US5982818 Method for implementing trellis codes for ISI channels
11/09/1999US5982816 Digital communication system using packet assembling/disassembling and eight-to-fourteen bit encoding/decoding
11/09/1999US5982812 Method and apparatus for monitoring frequency synthesizer locking time
11/09/1999US5982741 Method and apparatus for automatically reducing cross-talk between wires coupled to a common network device
11/09/1999US5982514 Optical-signal/electric-signal converting device
11/09/1999US5982204 Information-discriminating circuit
11/09/1999US5982191 Broadly distributed termination for buses using switched terminator logic
11/09/1999CA2037824C Diversity circuit and frame phase (or sampling timing) estimation circuit using the diversity circuit
11/09/1999CA2033971C Mobile assisted handoff
11/05/1999CA2266870A1 Table-driven modulation signal generation
11/04/1999WO1999056443A1 Π/4 qpsk modulator
11/04/1999WO1999056442A2 Transmitter/receiver for gmsk and offset-qam
11/04/1999WO1999056441A1 Pre-equalization for reducing intersymbol interference and multiple access interference
11/04/1999WO1999056440A1 Channel estimation using a sliding window technique
11/04/1999WO1999048244A3 Automatic speed detection for asynchronous serial communications
11/04/1999DE19919140A1 Low voltage differential signal driver with pre-amplifier circuit
11/04/1999DE19813952C1 Signalisierungsendstufe zur Erzeugung digitaler Spannungssignale auf einem Bussystem Signalling output stage for generating digital voltage signals on a bus system
11/04/1999CA2266790A1 Method and apparatus for performing data pulse detection
11/03/1999EP0954158A2 Data optimized codec
11/03/1999EP0954144A1 Channel estimation using soft-decision feedback
11/03/1999EP0954143A1 Iterative channel estimation
11/03/1999EP0954142A1 Channel estimation using a sliding window technique
11/03/1999EP0954126A1 Optical dispersion compensation
11/03/1999EP0953247A1 Method and apparatus for channel estimation in ofdm transmission system
11/03/1999EP0953246A2 Method for doubling levels of coding
11/03/1999EP0953245A1 Encoder and decoder
11/03/1999CN1234160A Method and apparatus for determining rate of received data in variable rate communication system
11/03/1999CN1233899A Simplified data link
11/03/1999CN1233800A Integrated data transceiver circuit for use with serial bus and interface with the same
11/02/1999US5978782 Neural network signal processor for magnetic storage channels
11/02/1999US5978486 Data scrambling method, data scrambling apparatus, data descrambling method, and data descrambling apparatus
11/02/1999US5978428 Apparatus and method for estimating a variable data rate
11/02/1999US5978422 Circuit for determining and evaluating a data signal on which a direct voltage portion is superposed
11/02/1999US5978419 Transmitter and receiver circuits for high-speed parallel digital data transmission link
11/02/1999US5978416 Receiving system using training pattern correlation for improved signal reception
11/02/1999US5978414 Transmission rate judging unit
11/02/1999US5978371 Communications module base repeater
11/02/1999US5977865 Bit encoding in home control systems
11/02/1999US5977822 Method and apparatus of pulse position demodulation
11/02/1999US5977821 Digital detection method and circuit for PSK modulated signals
11/02/1999US5977819 CMOS gigabit serial link differential transmitter and receiver
11/02/1999US5977798 Low-latency small-swing clocked receiver
11/02/1999US5977796 Low voltage differential swing interconnect buffer circuit
10/1999
10/30/1999CA2269580A1 Channel estimation using soft-decision feedback
10/28/1999WO1999055047A1 Blind adaptive equalization using cost function
10/28/1999WO1999055033A1 Cdma receiver and cdma transmitter/receiver
10/28/1999WO1999055000A2 Differential receiver using a delay lock loop to compensate skew
10/28/1999WO1999038300A3 Radio telephone for spread-spectrum system using nonlinear modulation
10/28/1999WO1999003241A3 Data slicing using n previously decoded symbols
10/28/1999DE19818408C1 Modulated signal recognition device for telecommunications or data processing
10/28/1999CA2329233A1 Skew-insensitive low voltage differential receiver
10/27/1999EP0952712A2 Blind equalization algorithm with joint use of the constant modulus algorithm and the multimodulus algorithm
10/27/1999EP0952711A2 Joint maximum likelihood sequence estimator with dynamic channel description
10/27/1999EP0952700A2 Network equipment such as a network repeater and testing method therefor
10/27/1999EP0952682A2 CDMA mobile communications system and method with improved channel estimation and pilot symbol transmission
10/27/1999EP0952679A2 Far end cross talk (FEXT) compensation
10/27/1999EP0952665A2 Slope, drift and offset compensation in zero-if receivers
10/27/1999EP0951769A1 Adaptive predistortion system
10/27/1999CN1233369A System and device for, and method of, detecting, characterizing, and mitigating deterministic distortion in a communications network
10/27/1999CN1233368A Receiver signal processing system for CAP signal
10/27/1999CN1233366A Wireless ATM metropolitan area network
10/27/1999CN1233365A Data transmission by impulse position modulation and amplitude modulation
10/27/1999CN1233361A Data-transmission circuit with a station and a response circuit
10/26/1999US5974553 Method for powering elements connected in a two-wire bus network transmitting both power supply and data information pulses
10/26/1999US5974464 System for high speed serial video signal transmission using DC-balanced coding
10/26/1999US5974368 Remote vehicle data interface tag system
10/26/1999US5974099 Unreliability detector apparatus and reproduction apparatus provided with the unreliability detector apparatus
10/26/1999US5974097 Method and apparatus for receiving a data signal and a digital filter circuit
10/26/1999US5974091 Composite trellis system and method
10/26/1999US5974088 Digital data slicer
10/26/1999US5973642 Adaptive antenna arrays for orthogonal frequency division multiplexing systems with co-channel interference
10/26/1999US5973515 Differential input stage for wideband reception with high rejection of common mode
10/26/1999US5973490 Line driver with adaptive output impedance
10/26/1999CA2019659C Receiver for data transmission system with nonlinearities
10/24/1999CA2266166A1 Blind equalization algorithm with joint use of the constant modulus algorithm and the multimodulus algorithm
10/21/1999WO1999053659A1 Method for demodulating a carrier wave modulated by a digital symbol sequence
10/21/1999WO1999053658A1 Initialisation of coefficients for decision feedback equalisers
10/21/1999WO1999046887A3 Wireless local area network spread spectrum transceiver with multipath interference mitigation
10/21/1999DE19917357A1 Receiver for nonlinear signal for detecting original data from binary data stream input signal enables models of sampled signals to be produced from preceding, current and future bit data, access time phase correction
10/21/1999DE19839238A1 Parallel optical transmitter/receiver module for data communications enables larger and longer transfer of data by detecting and/or correcting time displacements between parallel data channels
10/20/1999EP0950305A1 Apparatus, methods and computer program products for sequential maximum likelihood estimating communications signals using whitening path metrics
10/20/1999CN1232589A Decoder utilizing soft information output to minimize error rates
10/20/1999CN1232356A Method for determining performance of various channels, wireless communication system and mobile station
10/20/1999CN1232334A Channel tracking in mobile receiver
10/19/1999US5970138 Terminal equipment for telecommunications and information processing
10/19/1999US5970103 High speed communications system for analog subscriber connections
10/19/1999US5970100 System for controlling and shaping the spectrum and redundancy of signal-point limited transmission
10/19/1999US5970099 Silent polarity reversal in a communication system
10/19/1999US5970094 Adaptive equalizer employing filter input circuit in a circular structure
10/19/1999US5970093 Fractionally-spaced adaptively-equalized self-recovering digital receiver for amplitude-Phase modulated signals
10/19/1999US5970092 Adaptively equalized burst receiver and method for upstream broadband data
10/19/1999US5970089 Method and apparatus for generating a probing signal for a system having non-linear network and codec distortion
10/19/1999US5970088 Reverse channel next cancellation for MDSL modem pool
10/19/1999US5970060 Method and system for radio transmission of digital signals
10/19/1999US5969646 Apparatus and method for decoding differential multi-level data with adaptive threshold control
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