Patents for H04L 25 - Baseband systems (55,083)
04/2003
04/17/2003WO2003032546A1 Channel inferring device and method
04/17/2003WO2003032541A1 Ofdm receiving method and ofdm receiving device
04/17/2003WO2003032535A2 Long distance optical transmission system for high dynamic range signals
04/17/2003WO2003032314A1 Code sensing method and apparatus
04/17/2003US20030074609 System and method for automatic deskew across a high speed, parallel interconnection
04/17/2003US20030074035 System and method for telemetry of analog and digital data
04/17/2003US20030072452 Preamble structures for single-input, single-output (SISO) and multi-input, multi-output (MIMO) communication systems
04/17/2003US20030072449 Parallel data scrambler
04/17/2003US20030072395 Method and apparatus for channel quality measurements
04/17/2003US20030072394 Methods and apparatus for demodulation of a signal in a signal slot subject to a discontinuous interference signal
04/17/2003US20030072391 Response calibration method using a frequency-shifted receiver
04/17/2003US20030072390 Systems and techniques for measuring the performance of a communications system
04/17/2003US20030072387 Method and apparatus for reducing EMI emissions
04/17/2003US20030072382 Spatio-temporal processing for communication
04/17/2003US20030072380 Method and apparatus for cross-talk mitigation through joint multiuser adaptive pre-coding
04/17/2003US20030072378 Spacial derivative bus encoder and decoder
04/17/2003US20030072363 Adaptive equalization of digital modulating signal recovered from amplitude-modulated signal subject to multipath
04/17/2003US20030072360 Digital connection detection technique
04/17/2003US20030072355 Channel estimation apparatus and method
04/17/2003US20030072332 Intelligent delay insertion based on transition
04/17/2003US20030072284 Sample rate change between single-carrier and multi-carrier waveforms
04/17/2003US20030072277 Adaptive pilot filter for a wireless communication system
04/17/2003US20030072273 System and method for transmitting data in Ultra Wide Band frequencies in a de-centralized system
04/17/2003US20030072254 Scattered pilot pattern and channel estimation method for MIMO-OFDM systems
04/17/2003US20030072186 Driver circuit
04/17/2003US20030072050 Multilevel pulse position modulation for efficient fiber optic communication
04/17/2003DE10124751C1 Digital pre-coding filter for transmission filter has modulo adder combining source data symbols with filtered data symbols provided by feedback filter before subtraction of correction filter signal
04/16/2003EP1303119A1 Node for relaying telecommunication signals
04/16/2003EP1303093A2 Impuse response shortening
04/16/2003EP1303092A2 Selective tap initialization in a multicarrier equaliser
04/16/2003EP1303091A1 Feed forward equalizer controlled by FEC correction rates
04/16/2003EP1302045A2 Reduction of peak to average power ratio
04/16/2003EP1302039A2 Decoding of asynchronous data signals, using calculation of derivatives
04/16/2003EP1302038A1 Method and digital circuit for transmitting a plurality of bit sequences to be transmitted via several bus lines
04/16/2003EP1302017A2 Method and apparatus for equalizer updating and sampling rate control
04/16/2003EP1302001A2 Carrierless ultra wideband wireless signals for conveying application data
04/16/2003EP1260072A4 Dsl repeater
04/16/2003EP1219097A4 Improved method for determining subscriber loop make-up
04/16/2003EP0880838B1 Method of communicating according to a trellis code chosen from a fixed set of baseband signal points
04/16/2003CN1411650A Receiver with variable threshold slicer and method of DC offset correction
04/16/2003CN1411649A Selection of equaliser according to mobile communication rate
04/16/2003CN1411648A Arrangement for reducing power dissipation in line driver
04/16/2003CN1411235A Method for enhancing product code decoding speed and decoding device
04/16/2003CN1411179A OFDM transmitting and receiving apparatus
04/16/2003CN1411145A Noise reducing high-frequency circuit
04/16/2003CN1106108C Apparatus for generating variable frequency synchronous signal
04/16/2003CN1106094C Method for interference suppression using adaptive equalization in spread spectrum communication system
04/15/2003US6549971 Cascaded differential receiver circuit
04/15/2003US6549595 High-speed serial data communication system
04/15/2003US6549594 Timing phase recovery method and apparatus
04/15/2003US6549571 Circuitry and method for duty measurement
04/15/2003US6549568 Method and apparatus for automatically adjusting the transmit power of data communication equipment operating in a multipoint environment
04/15/2003US6549352 Signal processing apparatus utilizing a partial response method, and signal processing method, information recording apparatus, and information reproduction apparatus therefore
04/15/2003US6549053 Adjustable offset voltage circuit
04/15/2003US6549031 Point to point alternating current (AC) impedance compensation for impedance mismatch
04/15/2003US6548967 Universal lighting network methods and systems
04/10/2003WO2003030581A2 Telemetry of analog and digital data
04/10/2003WO2003030480A1 Pcm modem over all-digital connection
04/10/2003WO2003030479A1 Parallel data communication having skew intolerant data groups and data validity indicator
04/10/2003WO2003030478A1 Method and apparatus for cancelling co-channel interference in a receiving system using spatio-temporal whitening
04/10/2003WO2003030477A2 Single user detection using a fir filter
04/10/2003WO2003030476A2 Simultaneous estimation of channel impulse response and of dc offset
04/10/2003WO2003030402A1 Communications methods, apparatus and computer programs products for channel characterization
04/10/2003WO2003030388A1 Method and apparatus for ultra wide-band communication system using multiple detectors
04/10/2003WO2003030377A2 Method and apparatus for reducing interference in multiple-input-multiple-output (mimo) systems
04/10/2003WO2002103971A3 Multicarrier receiver
04/10/2003WO2002065894A3 Endocardial pressure measurement
04/10/2003WO2002060138A3 Method and apparatus for producing a channel estimate with reduced rank
04/10/2003WO2002049299A3 A line coding scheme for digital communications, transmission method and apparatus
04/10/2003US20030070132 Flexible video encoding scheme supporting audio and auxiliary information
04/10/2003US20030070026 Improving Signal integrity in differential signal systems
04/10/2003US20030070012 Real-time processing of a synchronous or isochronous data stream in the presence of gaps in the data stream due to queue underflow or overflow
04/10/2003US20030067997 Intermediate frequency signal amplitude equalizer for multichannel applications
04/10/2003US20030067996 Digital precoding filter for a transmission filter
04/10/2003US20030067991 Multi-mode block-coded modulation/demodulation method
04/10/2003US20030067974 Feed forward equalizer controlled by FEC correction rates
04/10/2003US20030067972 Method and apparatus for transmission line equalization
04/10/2003US20030067963 Mode controller for signal acquisition and tracking in an ultra wideband communication system
04/10/2003US20030067865 Systems and methods for multicarrier modulation using multi-tap frequency-domain equalizer and decision feedback
04/10/2003US20030067406 Waveform shaping circuit
04/10/2003US20030067325 Current mode bidirectional port with data channel used for synchronization
04/10/2003US20030067320 Transmission line system
04/09/2003EP1301003A1 Diversity Receiver unit for receiving an ofdm signal
04/09/2003EP1301002A1 Digital radio communication system
04/09/2003EP1301001A2 Transmission with constellations of a size other than a power of two
04/09/2003EP1301000A1 Channel allocation of control and payload data in wireless communication systems
04/09/2003EP1300999A1 Channel estimation
04/09/2003EP1300978A1 Method for transmitting signaling information over two channels
04/09/2003EP1300971A1 Multi-carrier communication method and multi-carrier communication apparatus
04/09/2003EP1300969A1 Method for generation of training sequence in channel estimation
04/09/2003EP1300947A1 Digital Nyquist filter
04/09/2003EP1300749A1 System and method for adjusting communications over signal lines
04/09/2003EP1299977A1 Bit detection threshold in a tdma burst communication system
04/09/2003EP1266468A4 Method and system for channel estimation using multi-slot averaged interpolation
04/09/2003EP1221194B1 Device and method for spectral shaping of a transmission signal in a radio transmitter
04/09/2003EP0637139B1 Method for removing interference wave, receiver and communication system which use the method
04/09/2003CN1409909A System for setting transmission protocol based on detected Baud rate
04/09/2003CN1409551A Peripheral device of portable audio-visual device and broadcast audio-visual system
04/09/2003CN1409506A Quadrature frequency division multiply equalizer tap initializing method and device using self adaptive calculation
04/09/2003CN1409505A Selective equalizer tap initializing method and device in quadrature frequency division multiply system