Patents for H04L 25 - Baseband systems (55,083)
06/2005
06/22/2005EP1543627A2 System and method for antenna diversity using equal power joint maximal ratio combining
06/22/2005EP1485991A4 Slicing algorithm for multi-level modulation equalizing schemes
06/22/2005EP1405154B1 Transmitter circuit comprising timing deskewing means
06/22/2005EP1380116B1 Methods and systems for reducing interference using co-channel interference mapping
06/22/2005EP1110357B1 Methods and system for reducing co-channel interference using multiple sampling timings for a received signal
06/22/2005EP1075752B1 Transmitter/receiver for gmsk and offset-qam
06/22/2005EP0700602B1 Method for communicating over a twisted pair line
06/22/2005CN1631014A Differential line driver with on-chip termination
06/22/2005CN1630390A An apparatus and method for correct acquisition of capture indication
06/22/2005CN1630294A Wireless transmission interference avoidance on a device capable of carrying out network communications
06/22/2005CN1630283A Method of transmitting preamble for synchronization in a MIMO-OFDM system
06/22/2005CN1630279A Frequency offset correction in transmitters and receivers having non-ideal synthesizer channel spacing
06/22/2005CN1630231A Weighted secret key sharing and reconstructing method
06/22/2005CN1630201A ASK demodulation device and wireless device using the same
06/22/2005CN1207925C Transparent optic cross connection device
06/22/2005CN1207907C Digit television system with partial corresponding structure decoder
06/22/2005CN1207879C Viterbi equalization using precalculated metrics increments
06/22/2005CN1207854C Parallel distributed sampling descrambler for passive optical network and method thereof
06/21/2005US6910072 Method and apparatus for providing media-independent self-help modules within a multimedia communication-center customer interface
06/21/2005US6909980 Auto skew alignment of high-speed differential eye diagrams
06/21/2005US6909877 Carrierless ultra wideband wireless signals for conveying data
06/21/2005US6909853 Apparatus for transferring monitor signals in photo-transfer system
06/21/2005US6909852 Linear full-rate phase detector and clock and data recovery circuit
06/21/2005US6909759 Wireless receiver using noise levels for postscaling an equalized signal having temporal diversity
06/21/2005US6909727 Communications system and associated methods with out-of-band control
06/21/2005US6909337 Noncoherent pulse position and phase shift keying transmission/reception system and a transmission/reception signal processing method therefor
06/21/2005US6909310 CMOS controlled-impedance transmission line driver
06/21/2005US6909082 Automatic threshold control device for burst mode optical receiver
06/21/2005US6908821 Apparatus for adjusting input capacitance of semiconductor device and fabricating method
06/21/2005US6908037 Circuit for generating clock signal and decoding data signal for use in contactless integrated circuit card
06/21/2005CA2327725C System and method for compensating for codec dc offset through a dc blocking channel and modem incorporating the same
06/16/2005WO2005055543A1 Channel estimation for ofdm systems
06/16/2005WO2005055540A2 Current transfer logic
06/16/2005WO2005055539A1 Methods an apparatus of multiple antenna receiver
06/16/2005WO2005055527A1 Method and apparatus for providing an efficient control channel structure in a wireless communication system
06/16/2005WO2005055509A1 Method for operating a transmitting station in a radio communications system and transmitter device
06/16/2005WO2005055483A1 Radio communication apparatus and radio communication method
06/16/2005WO2005055458A1 Method and apparatus for notifying end user of excess power demand
06/16/2005WO2005055456A1 Method and apparatus of noise variance estimation for use in wireless communication systems
06/16/2005WO2005055434A1 Apparatus and method for calculating path metric differences in a maximum likelihood detector or decoder
06/16/2005WO2005055432A1 Apparatus and method for reconfigurable data conversion
06/16/2005WO2005046056A3 Method and apparatus for generating a distortionless pulse width modulated waveform
06/16/2005WO2005032154A3 Method of controlling signal transmission in multi-input/multi-output system
06/16/2005US20050132111 Control system and method for a communications interface
06/16/2005US20050129148 Control algorithm in QAM modems
06/16/2005US20050129144 System and method for deriving symbol timing
06/16/2005US20050129143 Channel equalizing device and method of digital broadcasting receiving system
06/16/2005US20050129138 Method and apparatus for implementing adaptive tomlinson-harashima precoding in a digital data link
06/16/2005US20050129136 OFDM receiver
06/16/2005US20050129107 Equalizer/foward error correction automatic mode selector
06/16/2005US20050129106 Equalizer and method of setting initial value for same
06/16/2005US20050129100 Architecture for per tone equalizer with reduced complexity for DMT-based xDSL modems
06/16/2005US20050129092 Ultra-wideband communication system and method
06/16/2005US20050128992 Method and system for distributed baseband measurements
06/16/2005US20050128953 Channel calibration for a time division duplexed communication system
06/16/2005US20050128938 Channel estimation and synchronization with preamble using polyphase code
06/16/2005US20050128216 Connection device capable of mixing an rgb graphics signal and a yuv video signal and related method
06/16/2005US20050128202 Graphics card for smoothing the playing of video
06/16/2005US20050128020 Ultrafast sampler with non-parallel shockline
06/16/2005US20050127967 Method and apparatus for controlling slew
06/16/2005US20050127958 Series terminated CMOS output driver with impedance calibration
06/16/2005US20050127940 Signal transmitting device suited to fast signal transmission
06/16/2005DE10352389A1 Determining coded output data sequence in dependence on input data sequence, by determining each path metrics as function of values of respective supplementary data sequence
06/16/2005DE10232702B4 Adaptiver Entzerrer mit integrierter Anpassung des Ausgangspegels An adaptive equalizer with integrated matching output level
06/15/2005EP1542417A1 Duobinary receiver
06/15/2005EP1542416A2 Equalizer and method of setting initial value for same
06/15/2005EP1542415A2 Transversal equaliser
06/15/2005EP1540951A1 Adaptive expanded information capacity for television communications systems
06/15/2005EP1540911A1 Filterbank modulation system with pre-equalization
06/15/2005EP1540910A1 Communication receiver with virtual parallel equalizers
06/15/2005EP1540849A2 Extended algorithm data estimator
06/15/2005EP1540844A2 Methods for transmitting a waveform having a controllable attenuation and propagation velocity
06/15/2005EP1540820A2 Method and apparatus for channel equalization
06/15/2005EP1540817A1 Cck demodulation via symbol decision feedback equalizer
06/15/2005EP1456957A4 Hybrid parallel/serial bus interface
06/15/2005EP1123613B1 Fractional-bit transmission using multiplexed constellations
06/15/2005EP0920731B1 Duobinary coding and modulation technique for optical communication systems
06/15/2005CN1627740A Communication device
06/15/2005CN1627739A Equalizer and method of setting initial value for same
06/15/2005CN1627677A Apparatus and method for transceiving high speed packet data in mobile communication system
06/15/2005CN1627667A Duobinary receiver
06/15/2005CN1627281A Data transmission device and data transmission method
06/15/2005CN1206835C Scheduling method for data pocket
06/14/2005US6907552 Relative dynamic skew compensation of parallel data lines
06/14/2005US6907270 Method and apparatus for reduced rank channel estimation in a communications system
06/14/2005US6907235 Apparatus and method for canceling DC offset in communications signals
06/14/2005US6907202 Burst signal detection circuit
06/14/2005US6907093 Method and apparatus for relayed communication using band-pass signals for self-interference cancellation
06/14/2005US6907092 Method of channel order selection and channel estimation in a wireless communication system
06/14/2005US6907090 Method and apparatus to recover data from pulses
06/14/2005US6907086 Frequency diverse single carrier modulation for robust communication over in-premises wiring
06/14/2005US6907084 Method and apparatus for processing modulation symbols for soft input decoders
06/14/2005US6907082 4-20 mA interface circuit
06/14/2005US6907065 Real/complex dual combination channel equalizer
06/14/2005US6907064 Waveform equalization controller and waveform equalization control method
06/14/2005US6907063 Mobile station, a method of transmitting electronic information, and a communications system
06/14/2005US6907048 Method and apparatus for transporting ethernet data packets via radio frames in a wireless metropolitan area network
06/14/2005US6906555 Prevention of metastability in bistable circuits
06/14/2005US6906549 Asynchronous coupling and decoupling of chips
06/14/2005US6906531 Adaptive reference voltage method and system