Patents
Sitemap › H04 - Electric communication technique › H04L - Transmission of digital information, e.g. telegraphic communication › H04L 25 - Baseband systems
Patents for H04L 25 - Baseband systems (55,083)
06/2010
06/23/2010EP2200241A2 Information processing apparatus and signal transmission method
06/23/2010EP2200240A1 Method and apparatus for near-optimal computation of bit soft information in multiple antenna communication systems with iterative detection and decoding
06/23/2010EP2200239A2 Communication receiver with an adaptive equalizer that uses channel estimation
06/23/2010EP2200238A2 Methods and systems to estimate channel frequency response in multi-carrier signals
06/23/2010EP2200237A2 Radio receiver for different data rates
06/23/2010EP2200186A1 Method for transmitting discrete electric signals
06/23/2010EP2200184A1 Method for increasing the performance of a communications system on a medium formed by multiple conductors
06/23/2010EP2198664A2 Enhanced multi-user transmission
06/23/2010EP2198525A1 Method and apparatus for signal acquisition in ofdm receivers
06/23/2010EP2198519A1 Systems and methods for synchronous, retimed analog to digital conversion
06/23/2010EP1566907B1 Communication system, communication method, transmission device, reception device, and control program
06/23/2010CN201515375U Bit error rate tester and mobile multimedia broadcasting terminal
06/23/2010CN1969518B Apparatus for receiving signals via channels
06/23/2010CN1922842B Quadrature modulation apparatus and method
06/23/2010CN1905550B Frequency offset evaluation method and circuit of frequency domain in OFDM system
06/23/2010CN1878153B Feedback equalizer for a communications receiver
06/23/2010CN1750526B Digital signal transfer device
06/23/2010CN1710846B Customer group pilot-frequency distribution method for orthogonal FDMA system
06/23/2010CN1684455B System and method for spreading on fading channels
06/23/2010CN1643867B Device and method for estimating channels
06/23/2010CN101755389A Signal transmission apparatus and method
06/23/2010CN101753512A Shortwave high speed data transmission method based on single carrier frequency-domain equalization
06/23/2010CN101753509A Method and device for subtracting direct current (DC) inside fast Fourier transform (FFT) module and FFT module
06/23/2010CN101753501A Method for combining TD-SCDMA downlink with orthogonal frequency division multiplexing
06/23/2010CN101753491A Channel estimation method for multi-input multi-output-orthogonal frequency-division multiplexing system
06/23/2010CN101753490A Sensor device for occupant protection system
06/23/2010CN101753489A Communication channel estimating method and device
06/23/2010CN101753488A Non-polarity 485 communication technology
06/23/2010CN101753289A Timing and carrier recovery device for wireless transmission system and recovery method
06/23/2010CN101753188A Channel rank estimation method, system and device during multi-stream beamforming transmission
06/23/2010CN101753182A Method for reusing pre-distortion channel and power detection channel and device
06/23/2010CN101753169A Method for equalizing ordered block decision feedback in TD-SCDMA
06/23/2010CN101753101A Amplitude modulation circuit in polar transmitter and method for calibrating amplitude offset in polar transmitter
06/23/2010CN101227308B Analysis system and analysis method of mobile multimedia broadcast signal
06/23/2010CN101217524B Channel decoding device and method
06/23/2010CN101170525B MLSE simplification detection method and its device based on blocked QR decomposition
06/23/2010CN101167250B Dynamic range control and equalization method and apparatus of digital audio using warped processing
06/23/2010CN101166169B System and method for making frame synchronization tracking and channel detection based on frequency domain sequence
06/22/2010US7742546 Receiver spatial processing for eigenmode transmission in a MIMO system
06/22/2010US7742541 Transmission circuit, and communication apparatus using the same
06/22/2010US7742539 Adaptation of IQ-error compensation
06/22/2010US7742535 Crest factor reduction system and method for OFDM transmission systems using selective sub-carrier degradation
06/22/2010US7742520 Equalization circuit
06/22/2010US7741868 Calibration methods and circuits to calibrate drive current and termination impedance
06/22/2010CA2536310C System for synchronous sampling and time-of-day clocking using an encoded time signal
06/17/2010WO2010068772A2 Near soft-output maximum likelihood detection for multiple-input multiple-output systems using reduced list detection
06/17/2010WO2010068126A1 A method of encoding and decoding of synchronous serial transmission, particularly for low power devices and fiber optics media
06/17/2010WO2010067184A2 Precoding with reduced feedback for coordinated multipoint transmission on the downlink
06/17/2010WO2010066287A1 Apparatus for rejecting co-channel interference and corresponding method, computer program and computer-readable medium
06/17/2010WO2010045288A3 Method and apparatus for wireless transmit/receive unit specific pilot signal transmission and wireless transmit/receive unit specific pilot signal power boosting for enhancing channel estimation
06/17/2010WO2010042689A3 Systems and methods for unequal error protection and soft decision calculations
06/17/2010US20100150267 Precoding with reduced feedback for coordinated multipoint transmission on the downlink
06/17/2010US20100150266 Method and apparatus for codebook-based feedback in a closed loop wireless communication system
06/17/2010US20100150265 Antenna selection method and radio communication device
06/17/2010US20100150264 Precoder Design for Different Channel Lengths
06/17/2010US20100150262 Apparatus and method for amplifying signal and wireless transmitter using the same
06/17/2010US20100150256 Selective peak power reduction
06/17/2010US20100149006 Ethernet system
06/16/2010EP2197122A1 Transmission line loss compensation circuit and transmission line loss compensation method
06/16/2010EP2195986A2 Method and system for transmitting and receiving signals
06/16/2010EP2195983A2 Determining channel matrices by correlated transmissions to different channels
06/16/2010EP2195982A1 Ofdm modem using pilot sub-carrier structure
06/16/2010EP2195956A2 Multiplexed beacon symbols for a wireless communication system
06/16/2010EP2195939A2 Antenna switching and uplink sounding channel measurement
06/16/2010EP2195938A1 Near soft-output maximum-likelihood detection for multiple-input multiple-output systems
06/16/2010EP2195929A1 Gmsk-receiver with interference cancellation
06/16/2010EP2195925A1 Continuous time-decision feedback equalizer
06/16/2010EP1499996B1 Filter structure for iterative signal processing
06/16/2010EP1250606B1 Magnetic digital signal coupler monitor
06/16/2010CN1951115B Digital broadcasting transmission and/or reception system to improve receiving performance and signal processing method thereof
06/16/2010CN1951079B Iterative channel and interference estimation and decoding
06/16/2010CN1909528B Channel estimation method and device for crossing frequency division multiplexing system
06/16/2010CN1848829B Method for automatic synchronizing of audio-frequency watermark
06/16/2010CN1833418B Digital predistortion system and method for correcting memory effects within an RF power amplifier
06/16/2010CN1823490B Method and device for determining the link quality in an OFDM network
06/16/2010CN1708930B Method for synchronizing an equalizer output data
06/16/2010CN1642059B Method of mapping chips of a spread out symbol to sub-channels of a multi-carrier transmission network
06/16/2010CN1581878B Device for producing signal in accordance with standard
06/16/2010CN1538698B 存储器接口系统 Memory Interface System
06/16/2010CN101743729A Method for the robust synchronization of a multi-carrier receiver using filter banks and corresponding receiver and transceiver
06/16/2010CN101743712A Processing transmissions in a wireless communication system
06/16/2010CN101742600A Method for selecting common-frequency cell and mobile terminal
06/16/2010CN101742275A Evaluating method and device for a multidiameter fading channel in television broadcasting
06/16/2010CN101741804A Adaptive channel estimation method based on training sequence and cyclic prefix (CP) in optical OFDM system
06/16/2010CN101741791A Estimation method and estimation device thereof
06/16/2010CN101741788A Method for modulating and demodulating minimum frequency shift keying signal and special method for designing complex analytic band-pass filter
06/16/2010CN101741787A Predistortion fast-convergence method and system for collecting training data
06/16/2010CN101741786A Ultra-broadband receiver for digital communication system and signal processing method thereof
06/16/2010CN101741785A Methods and system for recognizing random access pulse signals
06/16/2010CN101741784A Self-adapting frame processing method and device in single-carrier frequency domain equalizing system
06/16/2010CN101741783A Method for tracking channel in single-carrier frequency domain equalization system
06/16/2010CN101741782A Double-layer multi-carrier ultra-broadband wireless communication method
06/16/2010CN101741781A Signal transmission system, interface device, and signal transmission method
06/16/2010CN101741780A Decision feedback equalizer for portable environments
06/16/2010CN101741779A Communication apparatus, communication frame format, and signal processing method
06/16/2010CN101741778A Information channel estimation method of data subcarrier
06/16/2010CN101741777A Communication signal receiver and method capable of estimating imaginary part components of complex numeric data signals
06/16/2010CN101741776A Method and device for eliminating interference signals
06/16/2010CN101741775A Taylor expansion-based single-frequency OFDM time-varying channel estimation method
06/16/2010CN101741774A System and method for reducing energy consumption of TD-SCDMA (time division-synchronization code division multiple access) base station system
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