Patents for H04L 25 - Baseband systems (55,083)
04/2004
04/08/2004DE10245282A1 Schaltungsanordnung und Verfahren zur Kompensation von Störungen bei einem mit diskreter Multiton-Modulation erzeugten Signal Circuit arrangement and method for compensating for disturbances in a signal generated by discrete multitone modulation signal
04/08/2004DE10241956A1 Power and signal transmission system for radio communication equipment involves transmitter sending first signal to first circuit and second transmitter sending second signal to second circuit
04/08/2004CA2497739A1 Channel estimation for communication systems
04/07/2004EP1405477A1 Communication device having a two-mode controlled isolation circuit for power transport and bidirectional communication
04/07/2004EP1405154A2 Transmitter circuit comprising timing deskewing means
04/07/2004EP0799530B1 Dual-mode fm/cdma communication system
04/07/2004CN1488220A Method for estimating the channel properties in a communication system
04/07/2004CN1488192A Digital filter with state storage
04/07/2004CN1145388C Signal processing method for radio communication, radio receiver and transmitting machine
04/07/2004CN1145331C Method for detecting pilot sound
04/07/2004CN1145330C Maximum likelihood sequence estimate utilizing look-up table to substitute multiply operation
04/07/2004CN1145270C A communication signal receiver and operating method thereof
04/07/2004CN1145269C Receiving method and receiver for mobile wireless telephone application
04/06/2004US6718502 Precoders for partial response channels
04/06/2004US6718366 Method and apparatus for providing media-independent self-help modules within a multimedia communication-center customer interface
04/06/2004US6718138 Digital-signal quality monitoring method and communications apparatus using this method
04/06/2004US6717995 Method for correcting DC offsets in a receiver
04/06/2004US6717992 Method and apparatus for receiving a plurality of time spaced signals
04/06/2004US6717986 Error propagation detection and control method, and memory device using the same
04/06/2004US6717985 Technique for efficiently equalizing a transmission channel in a data transmission system
04/06/2004US6717864 Latched sense amplifiers as high speed memory in a memory system
04/06/2004US6717532 Communication system and method
04/06/2004US6717440 System and method for improving signal propagation
04/06/2004US6717439 Data transmitting/receiving buffer
04/06/2004CA2310190C A parallel processing decision-feedback equalizer (dfe) with look-ahead processing
04/06/2004CA2279923C Predictive coding method and decoding method for dynamic image
04/06/2004CA2171113C Signal modulating method, signal modulating apparatus, signal demodulating method and signal demodulating apparatus
04/01/2004WO2004028159A1 Adaptive expanded information capacity for television communications systems
04/01/2004WO2004028105A1 An orthogonal frequency division multiplexing system
04/01/2004WO2004028104A1 Parallel scrambler/descrambler
04/01/2004WO2004028064A2 Electric submersible oil well pump communications
04/01/2004WO2004028031A1 Transmitting apparatus, receiving apparatus, radio communication method, and radio communication system
04/01/2004WO2004028020A1 Delay estimation and path selection for common and dedicated channels
04/01/2004WO2003103170A3 Bandwidth adaptation rule for adaptive noise filter for inverse filtering with improved disturbance rejection bandwidth and speed
04/01/2004WO2003096589A3 Method and apparatus for parallel midamble cancellation
04/01/2004WO2003075470A3 Systems and methods for improving range for multicast wireless communication
04/01/2004WO2003075469A3 System and method for antenna diversity using equal power joint maximal ratio combining
04/01/2004WO2003030377A3 Method and apparatus for reducing interference in multiple-input-multiple-output (mimo) systems
04/01/2004US20040064779 System and method for iterative decoding of Reed-Muller codes
04/01/2004US20040062556 Reception apparatus
04/01/2004US20040062397 Parallel scrambler/descrambler
04/01/2004US20040062362 Data communication method, data transmitting apparatus, data receiving apparatus, and data transmission program
04/01/2004US20040062333 System and method for clock synchronization of multi-channel baud-rate timing recovery systems
04/01/2004US20040062331 Self-tuning baud rate generator for UART applications
04/01/2004US20040062328 Receiver of digital data bursts comprising an antenna array, and a method of receiving
04/01/2004US20040062319 Pulse amplitude modulated system with reduced intersymbol interference
04/01/2004US20040062302 Adaptive equalizing apparatus and program therefor
04/01/2004US20040062301 Jitter measurement apparatus and jitter measurement method
04/01/2004US20040062215 Cdma reception apparatus and cdma reception method
04/01/2004US20040061631 Data modulating method and apparatus, data demodulating method and apparatus, and code arranging method
04/01/2004DE10343229A1 Filter device for mobile communication device especially mobile phone, includes phase-shift module for further shifting second vector by specified amount
04/01/2004DE10244665A1 Circuit structure for electroplate-separated transmission of an analog input quantity uses a signal transmission component with voltage input/output to adapt voltage between input/output
04/01/2004DE10244186A1 Receiver circuit for push-pull transmission procedure, includes detector circuit with first and second detectors for comparing amplitude of each input signal against detection threshold
04/01/2004CA2509865A1 Adaptive expanded information capacity for television communications systems
03/2004
03/31/2004EP1404078A1 Receiver for a switched signal on a communication line
03/31/2004EP1404051A2 System and method for clock synchronization of multi-channel baud-rate timing recovery systems
03/31/2004EP1404050A2 Input/output circuit for simultaneously bidirectional transmission
03/31/2004EP1404047A2 Iterative equalisation for MIMO transmission
03/31/2004EP1404046A1 Equalizer with two space-time filters and with a selector for choosing the filter with the best symbol estimate
03/31/2004EP1404034A2 Method for transmitting an information representative of the number of spreading codes allocated to the mobile stations in communication with a base station
03/31/2004EP1404030A1 Cdma reception apparatus and error correction code symbol soft decision method
03/31/2004EP1404022A2 DC free data modulation
03/31/2004EP1403869A2 Signal forming apparatus and method
03/31/2004EP1402699A1 Method and apparatus for transmitting data in a time division duplex system
03/31/2004EP1402694A2 Line driver with current source output and high immunity to rf signals
03/31/2004EP1402693A1 Channel estimation in cdma communications systems using both lower power pilot channel and higher power data channel
03/31/2004EP1402675A2 Filter for multicarrier signals
03/31/2004EP1402633A1 Data transmission method and arrangement
03/31/2004EP1402386A2 Ethernet addressing via physical location for massively parallel systems
03/31/2004EP1402384A1 Interface for data transmission
03/31/2004EP1402381A1 Twin-tailed fail-over for fileservers maintaining full performance in the presence of a failure
03/31/2004EP1402329A2 Low latency multi-level communication interface
03/31/2004EP1240759B1 Device for estimating radio channel and demodulation
03/31/2004EP1078493B1 Terminal and method for transporting data packets via radio frames
03/31/2004CN1486563A Decision feedback equalizing device
03/31/2004CN1486562A Apparatus and method for intersymbol interference compensation in spread spectrum communications
03/31/2004CN1486561A Electromagnetically-coupled bus system
03/31/2004CN1485918A Semiconductor integrated circuit having on-chip termination
03/31/2004CN1144430C Equalization method especially for offset moduation mode
03/31/2004CN1144410C Method and apparatus for conditioning modulated signals in digital communication
03/31/2004CN1144405C CDMA receiver, CDMA transmitter/receiver, and CDMA receiving method
03/30/2004US6715124 Trellis interleaver and feedback precoder
03/30/2004US6714896 Method and apparatus for signal degradation measurement
03/30/2004US6714609 Co-channel interference in a receiver
03/30/2004US6714607 Joint demodulation using a viterbi equalizer having an adaptive total number of states
03/30/2004US6714598 Burst-mode combining of reverse path radio frequency signals
03/30/2004US6714595 Signal transmission circuits that use multiple input signals to generate a respective transmit signal and methods of operating the same
03/30/2004US6714590 Integrated modem and line-isolation circuitry and associated method
03/30/2004US6714588 Method and apparatus for interference cancellation in a high speed modem
03/30/2004US6714587 Transmission system with improved signal conditioning means
03/30/2004US6714504 Data reproduction control method and apparatus, and optical disk unit
03/30/2004CA2239889C Decoder for a trellis encoded signal corrupted by ntsc co-channel interference and white noise
03/25/2004WO2004025917A1 High-speed adaptive equalizer
03/25/2004WO2004025916A1 Iterative estimation and equalisation of asymmetries between inphase and quadrature branches in multi-carrier transmission systems
03/25/2004WO2004025876A1 Radio communication device, receiver device, and reception manner selecting method
03/25/2004WO2004025866A1 Signal transmission device
03/25/2004WO2004025842A2 System for efficient recovery of node-b buffered data following mac layer reset
03/25/2004WO2004025836A1 Method and device for detecting period length fluctuations of periodic signals
03/25/2004WO2004025826A1 Direct conversion receiver and receiving method
03/25/2004WO2004002023A3 Transceiver module and integrated circuit with dual eye openers