Patents for H04L 25 - Baseband systems (55,083)
07/2005
07/13/2005CN1210884C Receiver and adaptive equalizing processing method
07/12/2005US6918069 Optimum threshold for FEC transponders
07/12/2005US6917366 System and method for aligning multi-channel coded data over multiple clock periods
07/12/2005US6917312 Technique for improving the quality of digital signals in a multi-level signaling system
07/12/2005US6917311 Orthogonal preamble encoder, method of encoding orthogonal preambles and multiple-input, multiple-output communication system employing the same
07/12/2005US6917217 Device for preparing an input signal for a line which is mismatched on the output side
07/07/2005WO2005062562A1 Conjugate gradient based channel estimator
07/07/2005WO2005062516A1 Method and apparatus for estimating noise power per subcarrier in a multicarrier system
07/07/2005WO2005062493A1 Device and method for transmission channel distortion equalisation in communication systems involving time domain multiplexing using sets of complementary sequences
07/07/2005WO2005060412A2 Control algorithm in qam modems
07/07/2005WO2005060335A2 Control system and method for a communications interface
07/07/2005WO2004073180A3 System and method for interference cancellation in a wireless communication receiver
07/07/2005US20050149596 Processing device for a pseudo inverse matrix and V-BLAST system
07/07/2005US20050147418 Increased transmission capacity for a fiber-optic link
07/07/2005US20050147185 OC192 peak detect circuit having low parasitics, high dynamic range and high sensitivity
07/07/2005US20050147183 Method for updating singular value decomposition of a transfer matrix
07/07/2005US20050147181 Method for preprocessing a signal and method for signal processing
07/07/2005US20050147179 Method and device for interpolating or decimating a signal
07/07/2005US20050147178 Data transfer system and method, data transmitter, data receiver, data transmission method, and data reception method
07/07/2005US20050147177 Method of controlling signal transmission in Multi-Input/Multi-Output system
07/07/2005US20050147176 ICI cancellation method for an OFDM system
07/07/2005US20050147090 Method and apparatus for providing media-independent self-help modules within a multimedia communication-center customer interface
07/07/2005US20050147025 Apparatus and method for estimating a plurality of channels
07/07/2005US20050146829 Using feedback to select transmitting voltage
07/07/2005US20050146804 Rate verification of an incoming serial alignment sequence
07/07/2005US20050146388 Method and device for pulse width modulation
07/07/2005US20050146367 Output buffer
07/07/2005US20050146357 Encoder and decoder circuits for dynamic bus
07/07/2005US20050146350 Impedance controller and impedance control method
07/07/2005DE10354113A1 Übertragungsvorrichtung mit variabler Impedanzanpassung Transmission apparatus with variable impedance matching
07/07/2005DE10353969A1 Biosignal measurement system, e.g. for measuring ECG, EMG and EEG signals from a patient, has a signal processing circuit with a DC-amplifier with output signal feedback via an active low-pass filter
07/07/2005DE10321743B4 Verbesserte Kanaldecodierung bei der Mehrträger-Signalübertragung durch DC-Offset- und Trägerfrequenz-Offset-abhängige Gewichtung von Zuverlässigkeitsinformationen Improved channel decoding in the multi-carrier signal transmission by DC offset and carrier frequency offset-dependent weighting of reliability information
07/07/2005DE10129324B4 Verfahren zum interoperablen Betreiben von xDSL Modems A method for interoperable operation of xDSL modems
07/06/2005EP1551143A1 Calibration method to achieve reciprocity of bidirectional communication channels
07/06/2005EP1551120A1 Receiving device, receiving method, and device for measuring transmission channel characteristic
07/06/2005EP1551110A1 Apparatus and method for adjusting an input range for a soft-decision decoder
07/06/2005EP1551103A1 Digital communication method and digital communication device
07/06/2005EP1550280A1 Apparatus, methods and articles of manufacture for pre-emphasis filtering of a modulated signal
07/06/2005EP1550279A2 Electromagnetic wave trasmitter systems, methods and articles of manufacture
07/06/2005EP1550273A2 Low latency radio/baseband interface protocol
07/06/2005EP1550149A2 Constant delay zero standby differential logic receiver and method
07/06/2005EP1238470B1 Data rate estimation in a communication system
07/06/2005EP1157509A4 Method and apparatus for automated personalization and presentation of workload assignments to agents within a multimedia communication center
07/06/2005CN1636413A Methods and apparatus for identifying asset location in communication networks
07/06/2005CN1636366A Apparatus and method for power efficient line driver
07/06/2005CN1636348A Method for the continuous estimation of the equalizer coefficients for wire-bound transmission systems
07/06/2005CN1636342A Apparatus and method for passing large bitwidth data over a low bitwidth datapath
07/06/2005CN1636321A Bit-detection arrangement and apparatus for reproducing information
07/06/2005CN1636107A Apparatus and method for constraining the value of feedback filter tap coefficients in a decision feedback equalizer
07/06/2005CN1635997A ADSL pre-qualification method comprising echo-canceller optimisation with maximum selectivity
07/06/2005CN1635758A A multi-beam code capture method and apparatus
07/06/2005CN1635757A A multi-beam frequency deviation pick-up method and apparatus therefor
07/06/2005CN1209631C Method for jitter analysis
07/05/2005US6915464 System and method for non-causal channel equalization using error statistic driven thresholds
07/05/2005US6915459 Active failsafe detection for differential receiver circuits
07/05/2005US6915082 Optical data transmitting apparatus and method
07/05/2005US6914981 Communication device
07/05/2005US6914948 Media noise post-processor with varying threshold
07/05/2005US6914637 Method and system for video and auxiliary data transmission over a serial link
07/05/2005CA2490969A1 Method for updating singular value decomposition of a transfer matrix
06/2005
06/30/2005WO2005060300A1 Wireless system comprising a first station and a second station system
06/30/2005WO2005060196A1 Demodulation of a multi-level quadrature amplitude modulation signal
06/30/2005WO2005060193A2 High speed signaling system with adaptive transmit pre-emphasis, reflection cancellation and offset cancellation
06/30/2005WO2005060192A1 Broadcast transmission with spatial spreading in a multi-antenna communication system
06/30/2005WO2005060191A2 Signal decoding methods and apparatus
06/30/2005WO2005060190A1 Adaptive channel measurement reporting
06/30/2005WO2005060173A1 Dynamic baselining in current modulation-based communication
06/30/2005WO2005060135A1 Automatic gain control apparatus and method in orthogonal frequency division multiplexing
06/30/2005WO2005060133A1 Circuit and method for synchronizing clock pulses
06/30/2005WO2005060124A1 Interference-weighted communication signal processing systems and methods
06/30/2005WO2005060107A1 A decoder
06/30/2005WO2005020495A3 Spacetime equalization in a wireless receiver
06/30/2005US20050143125 Method and apparatus to exchange channel information
06/30/2005US20050141661 Lane to lane deskewing via non-data symbol processing for a serial point to point link
06/30/2005US20050141659 Oversampling D/A converter and method for shaping nonlinear intersymbol interference in an oversampling D/A converter
06/30/2005US20050141657 Adaptive channel equalizer for wireless system
06/30/2005US20050141651 Method and system for modifying branch metric of Viterbi decoder for uncorrelated signals
06/30/2005US20050141650 Deterministic distortion insensitive adaptive receiver using decision updating
06/30/2005US20050141644 Symbol de-mapping methods in multiple-input multiple-output systems
06/30/2005US20050141634 [apparatus and method for detecting and compensating current offset]
06/30/2005US20050141633 Data transformation apparatus and method for transforming data block
06/30/2005US20050141628 Fast soft value computation methods for gray-mapped QAM
06/30/2005US20050141626 Uplink channel estimation system for orthogonal frequency division multiple access system and method thereof
06/30/2005US20050141625 Apparatus, method and computer program for detecting echo in the frequency domain
06/30/2005US20050141605 Pulse modulator and PPM demodulation determining circuit employed in ultra wideband wireless communications
06/30/2005US20050141603 Method and apparatus for signal transmission and reception
06/30/2005US20050141595 Communication device and communication method
06/30/2005US20050141473 Adaptive downlink packet transmission method in multicarrier CDMA system
06/30/2005US20050141413 Receiver, receiving method, reception control program, and storage medium
06/30/2005US20050141410 Method of reducing peak-to-average ratio in multi-carrier communications systems
06/30/2005US20050141407 Multiple-antenna communication systems and methods for communicating in wireless local area networks that include single-antenna communication devices
06/30/2005US20050140667 Connection device capable of converting a pixel clock to a character clock
06/30/2005US20050140424 Receiving device
06/30/2005US20050140394 Semiconductor integrated circuit device and differential small-amplitude data transmission apparatus
06/30/2005US20050140393 High-speed transmitter circuit
06/30/2005DE10352812A1 Signal-generating method for ternary signals produces signal levels and coupled potentials by triggering switching devices
06/30/2005DE10348205A1 Verfahren zur Kanalschätzung bei Verwendung verschiedener Modulationsverfahren innerhalb eines Signalintervalls A method for channel estimation using various modulation methods within a signal interval
06/29/2005EP1549037A1 An active impedance synthesis circuit, for example for XDSL splitters
06/29/2005EP1549009A1 Estimation of a transmission path in a diversity receiver by means of pilot signals
06/29/2005EP1548991A2 Transforming bus connection