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)
06/2003
06/26/2003US20030118092 Method for symbol-spaced estimation and/or tracking of a fractionally-spaced fading radio channel
06/26/2003US20030118089 Method and system for DSL power saving
06/26/2003US20030117896 Acoustic communication device and acoustic signal communication method
06/26/2003US20030117303 Cmi-code coding method, cmi-code decoding method, cmi coding circuit, and cmi decoding circuit
06/26/2003US20030117185 Circuit device
06/26/2003US20030117184 Methods, apparatus, and systems for reducing interference on nearby conductors
06/26/2003US20030117183 Methods, apparatus, and systems for reducing interference on nearby conductors
06/26/2003US20030117173 System and method for improving signal propagation
06/26/2003US20030117172 Bi-directional output buffer
06/26/2003US20030117147 Circuit and method for calibrating resistors for active termination resistance, and memory chip having the circuit
06/26/2003US20030116827 Methods, apparatus, and systems for reducing interference on nearby conductors
06/26/2003US20030116696 DC bias control circuit, optical receiver, and DC bias control method
06/26/2003CA2469791A1 Method and apparatus for pulse overlap pre-compensation in digitally modulated signals
06/26/2003CA2414496A1 Receiver monitoring and optimization using forward error correction information
06/25/2003EP1322082A1 DC bias control circuit for an optical receiver
06/25/2003EP1322044A1 Method and apparatus for detecting spread spectrum signal spread code synchronization
06/25/2003EP1321946A2 High speed differential data sampling circuit
06/25/2003EP1320969A1 Modulation method for a multi-carrier process with pre-emphasis
06/25/2003CN1426652A Baseband data slicing method and apparatus
06/25/2003CN1112807C Digital TV system and its operation method, and decoding method of digital TV system signal
06/24/2003US6584196 Electronic inductor with transmit signal telephone line driver
06/24/2003US6584151 Robust adaptive equalizer
06/24/2003US6584150 Dual direction channel estimator
06/24/2003US6584147 High speed modem for a communication network
06/24/2003US6584143 Method and apparatus for joint detection of a coded signal in a CDMA system
06/24/2003US6584078 Asymmetric modem communications system and method
06/24/2003US6583737 Device and method for compensating for propagation delay
06/24/2003US6583735 Method and apparatus for adaptive bus coding for low power deep sub-micron designs
06/24/2003US6583684 Method of designing an equalizer and like electronic components
06/24/2003US6583649 Signal transmission apparatus for setting delay amount based on operational speed
06/24/2003US6583629 Magnetic digital signal coupler monitor
06/24/2003US6583400 Multichannel receiver circuit for parallel reception
06/19/2003WO2003051010A1 System and method of bidirectional communication across an isolation barrier
06/19/2003WO2003050993A1 Bit level diversity combining for cofd system
06/19/2003WO2003050992A1 Methods and apparati for rate matching and decoding
06/19/2003WO2003050968A2 Time-domain transmit and receive processing using singular value decomposition for mimo systems
06/19/2003WO2003034185A3 Method and system for dsl power saving
06/19/2003WO2002037782A3 Low swing communication system
06/19/2003US20030115541 Method and apparatus for joint equalization and decoding of multidimensional codes transmitted over multiple symbol durations
06/19/2003US20030115533 Source coding for interference reduction
06/19/2003US20030115061 MPSK equalizer
06/19/2003US20030114164 Method and system for adaptive channel estimation techniques
06/19/2003US20030114125 Interference suppression in a radio receiver
06/19/2003US20030112912 Carrier sense apparatus for data communication
06/19/2003US20030112908 Multi-interpolated data recovery with a relative low sampling rate
06/19/2003US20030112903 Combined feedforward filter for a decision feedback equalizer
06/19/2003US20030112902 Bit level diversity combining for COFDM system
06/19/2003US20030112901 Method and apparatus for determining the log-likelihood ratio with precoding
06/19/2003US20030112900 Demodulation apparatus and method in a communication system employing 8-ary PSK modulation
06/19/2003US20030112891 Distortion compensating device
06/19/2003US20030112890 Method and apparatus for pulse overlap pre-compensation in digitally modulated signals
06/19/2003US20030112888 Multilevel modulating method, multilevel demodulating method, and multilevel modulating and demodulating method
06/19/2003US20030112885 Method and apparatus for joint equalization and decoding of multilevel codes
06/19/2003US20030112882 System and method for multiple signal carrier time domain channel estimation
06/19/2003US20030112880 Method and apparatus for processing data for transmission in a multi-channel communication system using selective channel inversion
06/19/2003US20030112861 Method and system for adaptively training time domain equalizers
06/19/2003US20030112860 Method and system for shortening channel impulse response using time domain equalization filter
06/19/2003US20030112827 Method and apparatus for deskewing parallel serial data channels using asynchronous elastic buffers
06/19/2003US20030112798 Data communication method
06/19/2003US20030112751 Method and apparatus for driving a signal using switchable on-die termination
06/19/2003US20030112370 Adaptive expanded information capacity for communications systems
06/19/2003US20030112058 Squelch circuit to create a squelch waveform for USB 2.0
06/19/2003US20030112050 Apparatus and method to provide a single reference component for multiple circuit compensation using digital impedance code shifting
06/18/2003EP1320232A2 Phase Estimation And Compensation In Orthogonal Frequency Division Multiplex (OFDM) Systems
06/18/2003EP1320211A2 Method and apparatus for protecting a connection-oriented, bidirectional transmission of data blocks by adaptive scrambling
06/18/2003EP1320208A2 Serial communications system and method
06/18/2003EP1320200A1 Method for transmitting signals between a first and second radio station and radio station
06/18/2003EP1319291A1 Method and apparatus for implementing a self compensating band stop filter on a digital data communications link
06/18/2003EP1319289A1 Apparatus and method for using adaptive algorithms to exploit sparsity in target weight vectors in an adaptive channel equalizer
06/18/2003EP1319272A2 Apparatus for and method of adapting a radio receiver using control functions
06/18/2003EP1125376B1 Method and radio station for the transmission of predistorted signals via several radio channels
06/18/2003EP1002380B1 Communications apparatus and methods for adaptive signal processing based on mobility characteristics
06/18/2003CN1425242A System and method for peak power reduction in spread spectrum communications systems
06/18/2003CN1425241A Enhanced cut prediction of feedback
06/18/2003CN1425240A Method and apparatus for implementing training phase of adaptive channel equalization on digital communications path
06/18/2003CN1425239A Method and apparatus for implementing channel correction in digital data link
06/18/2003CN1425238A Method and apparatus for constant throughput rate adaptation
06/18/2003CN1424759A Electronic devices
06/18/2003CN1112030C Process for fast blind equalization of adaptive equalizer
06/18/2003CN1112012C Signal Carrier recovery method
06/18/2003CN1112011C Equalising and decoding device for frequency-selective digital transmission channel
06/18/2003CN1112010C Adaptive multimode equaliser
06/18/2003CN1112009C Apparatus and method for noise-predictive maximum-likelihood (NPML) detection
06/18/2003CN1111980C Semiconductor integrated circuit for communication
06/17/2003US6581114 Method and system for synchronizing serial data
06/17/2003US6580773 Method and device for aligning synchronous digital signals
06/17/2003US6580772 Method of forming channel estimate, and receiver
06/17/2003US6580764 Channel characteristics estimation apparatus
06/17/2003US6580763 Method and apparatus for controlling the decision threshold and sampling instant of a data generator
06/17/2003US6580761 Coding technique in discrete multi-tone (DMT) based communications systems
06/17/2003US6580760 Line drive architecture with programmable gain and drive
06/17/2003US6580538 Reduction of optical impairments in wavelength division multiplexed systems employing a wavelength bus architecture
06/17/2003US6580323 Interface circuit for a differential signal
06/12/2003WO2003049398A1 Transmit frequency domain equalizer
06/12/2003WO2003049390A1 Soft decision gain compensation for receive filter attenuation
06/12/2003WO2003049335A1 Optical amplifier
06/12/2003WO2003049312A1 Amplifier for downstream and upstream signals
06/12/2003WO2003049291A1 Semiconductor integrated circuit
06/12/2003WO2003048903A2 Rate shaping in packet-based computer network
06/12/2003WO2002096050A3 Transmitter for transmitting digital data over a transmission line
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