Patents for H04L 25 - Baseband systems (55,083)
08/2011
08/18/2011US20110200059 BIT Inversion For Communication Interface
08/18/2011DE102010002072A1 Circuit arrangement for operating light emitting diodes, is provided with supply connection for coupling with supply voltage, and output having two output ports for coupling with light emitting diodes
08/18/2011DE102005056049B4 Vorrichtung zur kontaktlosen Übertragung elektrischer Signale zwischen zwei relativ zueinander bewegten Teilen mit verminderter Störstrahlung A non-contact transmission of electrical signals between two relatively moving parts with reduced interference
08/17/2011EP2357769A2 Channel calibration for a time division duplexed communication system
08/17/2011EP2357768A1 Multiple-input multiple-output systems and methods for wireless communication thereof for reducing the quantization effect of precoding operations utilizing a finite codebook
08/17/2011EP2357767A1 System and method for channel status information feedback in a wireless communications system that utilizes multiple-input multiple-output (MIMO) transmission
08/17/2011EP2356786A1 Receiver with ici noise estimation
08/17/2011EP2356785A2 Receiver comprising a device for correcting doppler effect
08/17/2011EP2356784A1 Receiver with channel estimation circuitry
08/17/2011EP2356770A1 Independent link(s) over differential pairs using common-mode signaling
08/17/2011EP0864198B1 Data detection for partial response channels
08/17/2011CN1972137B A receiving signal frequency offset estimation and compensation method for WCDMA
08/17/2011CN1835485B Low voltage differential signaling transceiver
08/17/2011CN102160347A Cyclic prefix schemes
08/17/2011CN102160346A Methods for precoding signals for transmission in wireless mimo system
08/17/2011CN102160345A Distributed uplink multi-cell successive interference cancellation for cellular networks
08/17/2011CN102160344A Reuse of training sequence between frequency-adjacent radio signals
08/17/2011CN102160045A Multichannel transmission on unifilar bus
08/17/2011CN102158891A Method for receiving and detecting network coding
08/17/2011CN102158858A Method and device for encrypting MMSE (minimum mean square error) pre-equalization wireless channel based on multipath redundancy
08/17/2011CN102158857A Wireless channel encryption method under disturbance condition and device
08/17/2011CN102158459A OFDM (Orthogonal Frequency Division Multiplexing) block transmission method based on time-frequency two-dimension training information
08/17/2011CN102158453A OFDM (Orthogonal Frequency Division Multiplexing) physical layer system under Mesh mode implemented on basis of IEEE802.16d/e
08/17/2011CN102158445A CPM modulation multi-symbol detection
08/17/2011CN102158444A Oversampling interference rejection combining method and device
08/17/2011CN102158443A Method for inhibiting cross terms in time-frequency division of multi-component linear frequency modulation (LFM) signals
08/17/2011CN102158442A Noise energy estimation method and equipment
08/17/2011CN102158441A Channel estimation method and device
08/17/2011CN102158440A Optimal forgetting factor-based semi-blind recursive least squared (RLS) channel estimation method
08/17/2011CN102158439A Coherent detection method and device
08/17/2011CN102158438A Method for generating channel responses of dedicated reference signals, and channel estimation method
08/17/2011CN102158437A Equipment and method for computing channel frequency-domain correlation
08/17/2011CN102158436A Channel frequency domain correlation calculation method and device, and channel estimation method and device
08/17/2011CN102158319A Method and device for pre-encoding based on hybrid multiplex demodulation reference symbols
08/17/2011CN102158313A Soft-input soft-out (SISO) minimum mean squared error (MMSE) iteration receiving method based on eigenvalue decomposition
08/17/2011CN102158312A Signal-space-alignment-based common-channel multi-user interference suppression method
08/17/2011CN102158293A Mimo system with multiple spatial multiplexing modes
08/17/2011CN102158269A Communication system and method for channel estimation and beamforming using a multi-element array antenna
08/17/2011CN102158265A Multi-antenna system and method for multiplexing feedback signal receiving link thereof
08/17/2011CN102158263A Code book-based channel information feedback method, equipment and system
08/17/2011CN102158248A Estimation method of DS (direct sequence)/FH (frequency hopping) spread spectrum signal parameters based on cyclic spectrum theory
08/17/2011CN101588338B OFDM carrier frequency offset estimation method suitable for packet transmission
08/17/2011CN101364972B Radio frame transmission method, system , base station and user equipment
08/17/2011CN101360079B Wavelet domani value denoising method for maximum likelihood estimator based on wavelet denoising algorithm
08/17/2011CN101356786B 脉冲调制方法 Pulse modulation method
08/17/2011CN101286968B Channel estimation method
08/17/2011CN101286755B Integrated receiver suitable for TDS-OFDM signal and TDS single carrier signal
08/17/2011CN101232487B Multi-path receiving system and adaptability channel estimating and measuring method
08/17/2011CN101060514B Method and apparatus for channel estimation
08/16/2011US8000665 Systems and methods for adjusting headroom of a power amplifier
08/16/2011US8000409 Method and apparatus for improving power amplifier efficiency in wireless communication systems having high peak to average power ratios
08/16/2011US8000355 Interface circuit
08/16/2011US8000331 Receive device for a cable data service
08/16/2011US8000227 Decision feedback channel estimation and pilot tracking for OFDM systems
08/11/2011WO2011097507A1 Apparatus and method for enabling uplink beamforming transmit diversity channel estimation
08/11/2011WO2011095840A1 Generation of differential signals
08/11/2011WO2011095635A1 Novel circuit and method for communicating via a single line
08/11/2011WO2011095520A1 Method and arrangement for transmitting an orthogonal frequency diversity multiplex signal via at least one optical filter
08/11/2011WO2011095142A1 Receiver in a bus node of a bus network
08/11/2011WO2011073928A3 Device for monitoring a vehicle wheel and corresponding communication method
08/11/2011WO2011035207A3 Protocol to support adaptive station-dependent channel state information feedback rate in multi-user communication systems
08/11/2011WO2006014214A3 System and method for design and implementation of integrated-circuit digital filters
08/11/2011US20110194649 Method of Precoding with a Codebook for a Wireless System With Multiple Transmission Ranks and a Quantized Beamforming Matrix
08/11/2011US20110194626 Multi-Wideband Communications Over Power Lines
08/11/2011US20110194625 Method and apparatus for generating a preamble for use in cable transmission systems
08/11/2011US20110194571 Adaptive forward power control and adaptive reverse power control for spread-spectrum communications
08/11/2011US20110193601 Fractional type phase-locked loop circuit with compensation of phase errors
08/11/2011US20110193591 Calibration Methods and Circuits to Calibrate Drive Current and Termination Impedance
08/11/2011DE102010001795A1 Schnittstelle mit Potentialtrennglied im Empfangszweig Interface with potential isolation in the receive path
08/10/2011EP2355432A1 Method and arrangement for transmitting an orthogonal frequency diversity multiplex signal via at least one optical filter
08/10/2011EP2355431A1 Reception circuit, information processing device, and buffer control method
08/10/2011EP2355430A2 Adaptive digital predistortion device and method
08/10/2011EP2355428A2 Resource allocation in a multicarrier system
08/10/2011EP2355427A1 Digital Communications Receiver
08/10/2011EP2355386A1 Method and equipment for uplink channel transmitting, and method and equipment for channel estimating in tdd system
08/10/2011EP2353941A1 Vehicle communication control device
08/10/2011EP2353263A1 Codes and preambles for single carrier and ofdm transmissions
08/10/2011EP2353262A1 Ofdm channel estimation method and apparatus
08/10/2011EP2353242A1 Systematic and parity bit soft estimation method and apparatus
08/10/2011EP2103064B1 Uplink inter-carrier interference cancellation for ofdma systems
08/10/2011EP1421731B1 Compensation for non-linear distortion in a modem receiver
08/10/2011CN1783859B Radio communication device and radio communication method
08/10/2011CN1697351B Auxiliary pilot method in use for time division duplexing system
08/10/2011CN102150410A Method and system for session controlling
08/10/2011CN102150402A MMSE MIMO decoder using QR decomposition
08/10/2011CN102148795A Carrier phase estimation method and device
08/10/2011CN102148790A Method and device for designing multicarrier cascade filter
08/10/2011CN102148788A Carrier interferometry orthogonal frequency division multiplexing (CI-OFDM) communication method based on consideration of inter-carrier interference (ICI) influences under time-varying fading channels
08/10/2011CN102148787A Method, circuit and system for reducing or eliminating receiving signal noises
08/10/2011CN102148783A Baseband digital predistortion method and device and power amplification device
08/10/2011CN102148782A Method and device for estimating multi-cell channels
08/10/2011CN102148781A Method and apparatus for filtering noisy estimates to reduce estimation errors
08/10/2011CN102148780A Interference processing method based on carrier interferometry orthogonal frequency division multiplexing (CI-OFDM) system
08/10/2011CN102148779A Method and device for detecting signals
08/10/2011CN102148778A Radio communication system, radio base station apparatus and communication control method
08/10/2011CN102148777A Simplified acquisition apparatus and method for a bluetooth receiver
08/10/2011CN102148776A Channel estimation method and device based on channel interpolation
08/10/2011CN102148681A System and method for realizing iterative timing synchronization of continuous phase modulation signal
08/10/2011CN102148667A Transceiving method and realization device thereof used for single frequency network signals
08/10/2011CN102148636A Antenna calibration method and system