Patents for H04L 25 - Baseband systems (55,083)
09/2007
09/13/2007US20070211788 Method For Temporal Inversion Of A Wave
09/13/2007US20070211617 Variable error correction in multipoint-to-point communication using orthogonal frequency division multiplexing
09/13/2007DE10352389B4 Verfahren und Vorrichtung zur Bestimmung einer codierten Ausgangsdatenfolge in Abhängigkeit von einer Eingangsdatenfolge Method and apparatus for determination of a coded data output sequence in response to an input data sequence
09/13/2007DE102006048846A1 Eichschaltung und dieselbe enthaltende Halbleitervorrichtung Calibration circuit and containing the same semiconductor device
09/13/2007DE102006011595A1 Bus coupler for e.g. European installation bus system, has transmission circuit with switching parts, where period of active impulse is provided by switching period of connection between parts and amplitude of active impulse
09/13/2007DE102006011059A1 Verfahren und System zum Übertragen von in einem Signal codierten Daten A method and system for transmitting coded data in a signal
09/13/2007DE102006010152A1 Regenerator für ein Datenburst-Signal Regenerator for a data burst signal
09/12/2007EP1833276A2 Television apparatus
09/12/2007EP1833188A2 Error detection in physical interfaces for point-to-point communications between integrated circuits
09/12/2007EP1832074A1 Method and apparatus for transmitting/receiving a signal in an ffh-ofdm communication system
09/12/2007EP1832071A1 Prescribed response precoding for channels with intersymbol interference
09/12/2007EP1832070A1 Equalization with selection of samples
09/12/2007EP1632073B1 Method and system for producing a two-level pulse width modulated signal
09/12/2007EP0904650B1 Transmitter for qam encoded data
09/12/2007CN101036359A Method and apparatus for a fully digital quadrature modulator
09/12/2007CN101036335A 数据通信系统 The data communication system
09/12/2007CN101036311A Use of adaptive filters in CDMA wireless system employing pilot signals
09/12/2007CN101035309A Relay method based on inter-correlation
09/12/2007CN101035226A Television apparatus
09/12/2007CN101035032A Failure monitoring method and device of the virtual rented line
09/12/2007CN101035020A Communication adaptation layer system and method for obtaining the network element information
09/12/2007CN101035002A Credit control client terminal, credit control server, charging system and charging method
09/12/2007CN100337485C An adjusting apparatus and method for send-receive channel of wireless communication system
09/12/2007CN100337403C Receiver circuit, interface circuit and electronic device
09/11/2007USRE39832 Optical recording disk capable of resynchronization in digital encoding and decoding
09/11/2007US7269781 Discrete universal denoising with reliability information
09/11/2007US7269237 Noise canceller
09/11/2007US7269234 Arrangement for dynamic DC offset compensation
09/11/2007US7269231 System and method for predistorting a signal using current and past signal samples
09/11/2007US7269229 Reduced memory architecture for edge modulator
09/11/2007US7269227 Apparatus and method for calculating bit metrics in data receivers
09/11/2007US7269226 Data processing method
09/11/2007US7269224 Apparatus and methods for providing efficient space-time structures for preambles, pilots and data for multi-input, multi-output communications systems
09/11/2007US7269216 Blind magnitude equalizer for segment sync-based timing recovery of receivers
09/11/2007US7269215 Equalization processing method and the apparatus for periodic fluctuation of transmission line characteristic
09/11/2007US7269213 Waveform equalizer having a tap coefficient monitoring unit
09/11/2007US7269211 Residual echo reduction for a full duplex transceiver
09/11/2007US7269209 Discrete multitone transmission and reception
09/11/2007US7269205 Method and apparatus for signal demodulation
09/11/2007US7269127 Preamble structures for single-input, single-output (SISO) and multi-input, multi-output (MIMO) communication systems
09/11/2007US7268638 Apparatus and method for data rate multiplication
09/11/2007US7268619 Amplifier pre-distorter method and apparatus
09/11/2007US7268579 Semiconductor integrated circuit having on-chip termination
09/11/2007US7268578 Transmission circuit, data-transfer control device and electronic equipment
09/11/2007CA2298184C Method and apparatus for determining the data rate of a received signal in a variable data rate orthogonal spread spectrum communication system
09/07/2007WO2007099249A1 Structure with low complexity for implementing the mpic interference canceller
09/06/2007US20070206710 Signal processing apparatus and a signal storage system
09/06/2007US20070206703 System and method for reducing dynamic range of modulated signals without increasing out-of-band power
09/06/2007US20070206693 Adaptive modulation in multipoint-to-point communication using orthogonal frequency division multiplexing
09/06/2007US20070206685 Noise free transceiver circuit
09/06/2007US20070206491 Distributed control of power in multipoint-to-point orthogonal frequency division multiplexing communication
09/06/2007DE112004002700T5 Verfahren und Vorrichtung zum Reduzieren eines Nebensprechens in einem MIMO-Übertragungssystem Method and device for reducing crosstalk in a MIMO transmission system
09/06/2007DE10250818B4 Datenempfänger und Datenempfangsverfahren Data receiver and data receiving method
09/06/2007DE10245719B4 Datenempfänger und Datenempfangsverfahren Data receiver and data receiving method
09/06/2007DE10119202B4 Vorrichtung und elektronisches System zum Ausgleich von Laufzeitschwankungen Device and electronic system to compensate for delay variations
09/05/2007EP1830532A1 Precoding circuit and precoding-multiplexing circuit for realizing very high transmission rate in optical fiber communication
09/05/2007EP1830531A1 Precoding circuit and precoding-multiplexing circuit for realizing very high transmission rate in optical fiber communication
09/05/2007EP1830530A2 Channel estimation for time division duplex communication systems
09/05/2007EP1830529A1 Channel estimator, method and computer program for obtaining a processed channel estimate
09/05/2007EP1830507A2 Apparatus and method for transmitting/receiving signal in a communication system using multiple input multiple output scheme
09/05/2007EP1829311A1 Transmitter apparatus and method for transmitting packet data units in a communication system
09/05/2007EP1829310A1 Pulsed serial link transmitting data and timing information on a single line
09/05/2007EP1829309A1 Reception of a signal transmitted over a transmission link comprising coded channels
09/05/2007EP1829308A1 Adaptive set partitioning for reduced state equalization and joint demodulation
09/05/2007EP1829261A2 Channel estimator with extended channel bandwidth
09/05/2007EP1829259A1 Stbc mimo-ofdm peak-to-average power ratio reduction by cross-antenna rotation and inversion
09/05/2007EP1829233A2 A weighted autocorrelation method for downlink cdma lmmse equalizers
09/05/2007EP1579582B1 Statistical scaling of soft decisions before decoding
09/05/2007EP1573476B1 Current mode signalling in electronic data processing circuit
09/05/2007EP1428338A4 Method and apparatus for interference signal code power and noise variance estimation
09/05/2007EP1319273B1 Fast synchronizing high-fidelity spread-spectrum receiver
09/05/2007CN101032138A Transmitting data in a wireless network
09/05/2007CN101030953A Channel code controlling system based on digital logic circuit
09/05/2007CN101030912A Fast ring network method against attack based on RRPP, apparatus and system
09/05/2007CN101030187A Data receiving apparatus
09/05/2007CN100336334C Method and system for generating parallel decodable low density parity check (LDPC) codes
09/05/2007CN100336319C Radio apparatus and adaptive array processing method
09/04/2007US7266756 Read enable generator for a turbo decoder deinterleaved symbol memory
09/04/2007US7266629 Data transfer control device and electronic instrument generating interface signal of signal type according to interface information set in internal register
09/04/2007US7266388 Transmitting circuit and communication terminal unit therewith
09/04/2007US7266359 DC interference removal in wireless communications
09/04/2007US7266312 Burst mode optical receiver
09/04/2007US7266168 Groupwise successive interference cancellation for block transmission with reception diversity
09/04/2007US7266167 Reception apparatus
09/04/2007US7266166 Method and arrangement for interference attenuation
09/04/2007US7266163 FSK demodulator slicer with fast automatic DC offset compensation
09/04/2007US7266160 Method for joint DC offset correction and channel coefficient estimation in a receiver
09/04/2007US7266159 Frequency-dependent magnitude pre-distortion on non-baseband input signals for reducing spurious emissions in communication networks
09/04/2007US7266146 Symbol-based decision feedback equalizer (DFE) optimal equalization method and apparatus with maximum likelihood sequence estimation for wireless receivers under multipath channels
09/04/2007US7266134 Transmission circuit for a digital communication system
09/04/2007US7266108 Method and apparatus for receiving diversity signals for use in OFDM radio communication system
09/04/2007US7265690 Simplified data recovery from high speed encoded data
09/04/2007US7265689 Data transformation apparatus and method for transforming data block
08/2007
08/30/2007WO2007097032A1 Circuit board, information processor and transmitting method
08/30/2007WO2007096799A1 A symbol-level adaptation method, memory, equalizer and receiver for implementing this method
08/30/2007WO2007096663A2 Ofdem channel estimation systems
08/30/2007WO2007095697A1 Method and system for communication in a wireless network
08/30/2007WO2007078496A3 Configurable on-die termination
08/30/2007WO2007039834A3 Noise power interpolation in a multi-carrier system
08/30/2007US20070204317 Symbol alignment in multipoint-to-point orthogonal frequency division multiplexing communication