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)
05/2003
05/22/2003US20030095645 Telecommunications signal relay node
05/22/2003US20030095619 Sample selection and data alignment circuit
05/22/2003US20030095618 Data transmitting unit, data communicating apparatus and data communicating method
05/22/2003US20030095614 Method for receiving a message signal, receiver, receiving device and message transmission system for this
05/22/2003US20030095613 Mobile communication terminal and transmission-bit-rate detection method
05/22/2003US20030095611 Receiving circuit for receiving message signals
05/22/2003US20030095610 Method, device and computer program product for a demodulator using a fuzzy adaptive filter (FAF) and decision feedback
05/22/2003US20030095609 Method and apparatus for receiving a plurality of time spaced signals
05/22/2003US20030095606 Method and apparatus for multi-level signaling
05/22/2003US20030095593 Adaptive turbo decision feedback equalization method and device
05/22/2003US20030095592 ZF-based adaptive asynchronous receiver
05/22/2003US20030095588 Low complexity multiuser detector
05/22/2003US20030095586 Method and arrangement for use in a single user detector for a CDMA multi-path system
05/22/2003US20030095585 Method and apparatus for downlink joint detection in a communication system
05/22/2003US20030095573 Frequency-domain MIMO processing method and system
05/22/2003US20030095517 Multi-detection of heartbeat to reduce error probability
05/22/2003US20030095498 Retransmission control method and apparatus for use in OFDM radio communication system
05/22/2003US20030095315 Apparatus for detecting cutoff of optical signal, optical receiver, optical transmitter, and method of detecting cutoff of optical signal
05/22/2003US20030095057 Hybrid parallel/serial bus interface
05/22/2003US20030094979 Method and apparatus for voltage-mode differential simultaneous bi-directional signaling
05/22/2003US20030094977 Voltage mode differential driver and method
05/22/2003US20030094975 Signal-off detection circuit and optical receiving device using the same
05/22/2003US20030094967 Signal-off detection circuit and optical receiving device using the same
05/22/2003US20030094935 Determining the magnitude of pulses
05/21/2003EP1313282A1 Method and apparatus for OFDM (orthogonal frequency division multiplexing) demodulation
05/21/2003EP1313279A1 Method for compensating phase impairments in a signal and corresponding receiver
05/21/2003EP1313278A1 Method and apparatus for adaptive digital predistortion in a radio transmitter
05/21/2003EP1313277A1 Method for determining the magnitude of AMI-pulses by calculating the median value
05/21/2003EP1313276A1 Selection of the autocorrelation function of the noise part of the received signal
05/21/2003EP1313258A2 Circuit and method for receiving coded signals
05/21/2003EP1313257A1 Skew adjustment circuit, skew adjustment method, data synchronisation circuit, and data synchronization method
05/21/2003EP1313254A2 Data transmitting unit, data communicating apparatus and data communicating method
05/21/2003EP1313242A1 Orthogonal frequency division multiplexed signal receiving apparatus and orthogonal frequency division multiplexed signal receiving method
05/21/2003EP1312177A2 Methods and systems for digitally processing optical data signals
05/21/2003EP1135856A4 Single ended interconnect systems
05/21/2003EP0920762A4 Combined daq/rbs compensation system and method for enhancing the accuracy of digital data communicated through a network
05/21/2003EP0879522B1 Coherent modulation of cpm signals
05/21/2003EP0752172B1 Carrier independent timing recovery system for a vestigial sideband modulated signal
05/21/2003EP0748551B1 Combating signal interference in digital transmission
05/21/2003CN1419344A Spread spectrum digital microwave transmission device
05/21/2003CA2412111A1 Apparatus for detecting cutoff of optical signal, optical receiver, optical transmitter, and method of detecting cutoff of optical signal
05/20/2003US6567484 Burst synchronizing circuit
05/20/2003US6567481 Receivers including iterative map detection and related methods
05/20/2003US6567476 Data synchronisation process, and transmission and reception interfaces
05/20/2003US6567472 System and method for terminating a line by reflecting a scaled impedance
05/20/2003US6567467 Receiver having a comparator based decision feedback equalizer
05/20/2003US6567466 Method and apparatus for determining the data rate of a received signal in a variable data rate orthogonal spread spectrum communication system
05/20/2003US6567463 Method and system for detecting analog and ADPCM links in a communication channel
05/20/2003US6567423 Parallel bit stuffing for a serial data transfer protocol
05/20/2003US6567023 Analog to digital to analog converter for multi-valued current data using internal binary voltage
05/20/2003US6566974 Connection structure for noise reduction impedance element, noise reduction impedance element positioning method, and recording medium having noise reduction impedance element positioning program recorded therein
05/20/2003US6566957 Methods and systems for a MOSFET-bipolar complimentary symmetry driver with local feedback for bias stabilization
05/20/2003US6566933 Switched capacitor transmitter pre-driver
05/20/2003US6566926 Hysteretic self-biased amplifier
05/20/2003US6566904 Pad calibration circuit with on-chip resistor
05/20/2003US6566891 Measurement system and method of determining characteristics associated with a waveform having distortion associated therewith
05/20/2003CA2114625C A method and an arrangement of estimating transmitted symbols at a receiver in digital signal transmission
05/20/2003CA2092859C Receiver having an adjustable matched filter
05/15/2003WO2003041350A1 Co-channel interference detector for cellular communications systems
05/15/2003WO2003041349A1 Viterbi decoding using a table memory for readying reconstructed signal values for the calculation of transformation metrics
05/15/2003WO2003041323A2 Adsl pre-qualification method comprising echo-canceller optimisation with maximum selectivity
05/15/2003WO2003041274A1 Method and apparatus for generating pulse width modulated waveforms
05/15/2003WO2003041212A2 Non-linear transmission line using varactors and non-parallel waveguide
05/15/2003WO2003040862A2 Apparatus and method for transmitting large bitwidth data along a small bitwidth channel
05/15/2003WO2003026145A3 Apparatus and method for intersymbol interference compensation in spread spectrum communications systems
05/15/2003WO2002078227A3 Communication of latencies in parallel networks
05/15/2003WO2002058411A3 System and method for on-line insertion of line replaceable units in wireless and wireline access systems
05/15/2003WO2002026981A3 Human protease inhibitor proteins and polynucleotides encoding the same
05/15/2003US20030092447 Communications methods, apparatus and computer program products using gain multipliers
05/15/2003US20030092404 Transmission system, transmission method, transmission apparatus, and electronic recording medium having recorded therein transmission program
05/15/2003US20030091183 Method and apparatus for isolation in a data access arrangement using analog encoded pulse signaling
05/15/2003US20030091140 Digital access arrangment circuitry and method for connecting to phone lines having a DC holding circuit with switchable DC termination impedance
05/15/2003US20030091137 Transition detection, validation and memorization circuit
05/15/2003US20030091136 Skew adjustment circuit, skew adjustment method, data synchronization circuit, and data synchronization method
05/15/2003US20030091134 Blind adaptive filtering method for receivers of communication systems
05/15/2003US20030091133 Multiple path equalization for multicarrier systems
05/15/2003US20030091121 Multi-valued FSK communication method and multi-valued FSK communication apparatus
05/15/2003US20030091120 Communication system and method
05/15/2003US20030091119 Method for coded modulation taking account of the error sensitivity of the user data and encrypting said data after coding
05/15/2003US20030091117 Method to transfer data without a clock or strobe signal
05/15/2003US20030091111 Method and apparatus for implementing the training phase of adaptive channel equalization on a digital communications path
05/15/2003US20030091101 System and method for DC offset compensation in a WCDMA receiver
05/15/2003US20030091056 A communication system for driving pairs of twisted pair links
05/15/2003US20030091053 Systems and methods for multi-pair ATM over DSL
05/15/2003US20030090993 OFDM Transmitting and receiving apparatus
05/14/2003EP1311096A2 Data partitioning for multi-link transmission
05/14/2003EP1311094A2 Calculation and transmission of coefficients for beamforming or equalisation
05/14/2003EP1311093A1 Co-channel interference detector for cellular communications systems
05/14/2003EP1311089A2 Data bus fault detection circuit and method
05/14/2003EP1311074A1 Transmission system estimating radio link characteristics in a multicarrier CDMA system
05/14/2003EP1310071A2 Generation of a training sequence for pcm modems
05/14/2003EP1310070A2 Adaptation of the feedforward section of an equaliser
05/14/2003EP1310069A1 Method for estimating channels in a radio system, particularly in a mobile radio system
05/14/2003EP1145024B1 Dynamic register with iddq testing capability
05/14/2003EP0842577B1 Method of encoding an input value for transmission through partial response channels
05/14/2003CN1418412A Blind dual error antenna diversity (dead) algorithm
05/14/2003CN1418407A Method and apparatus for adjustment of sampling phase using dual-phase probing signal
05/14/2003CN1417966A Transmission system, transmission method, transmission equipment and medium for recording transmitting program
05/14/2003CN1108681C Method and arrangementfor for demodulating data symbols
05/14/2003CN1108664C Multi-level coding for decimalplace
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