Patents for H04L 25 - Baseband systems (55,083)
05/2011
05/11/2011CN102055712A System, device and method for generating pilot patterns for use in communications
05/11/2011CN102055704A Method and device for noise estimation in orthogonal frequency division multiplexing (OFDM) system
05/11/2011CN102055698A Auxiliary synchronous sequence detection method and device for long-term evolution system
05/11/2011CN102055696A Digital predistortion system for inhibiting noise of feedback signal
05/11/2011CN102055695A DC offset suppression circuit for a complex filter
05/11/2011CN102055694A Non-linear system identification method based on particle swarm
05/11/2011CN102055693A Method and device for realizing frequency domain equalization based on overlap-cut method
05/11/2011CN102055692A Channel estimation method and device in multiaerial system
05/11/2011CN102055691A Estimation processing method for beamforming (BF) weight and base station
05/11/2011CN102055690A Vectored data transmission methdo and apparatus
05/11/2011CN102055689A Method, system and equipment for transmitting demodulation pilot frequency and demodulating channel on backhaul link
05/11/2011CN102055688A Method for detecting frame transmission mode and method for synchronizing frame
05/11/2011CN102055566A Dynamic MIMO (multiple input multiple output) detection algorithm and detector structure based on signal channel analysis
05/11/2011CN102055561A Precoding matrix code book generation method as well as precoding matrix selection method and device
05/11/2011CN102055512A Circulating self-correlation-based signal phase difference estimation device and method for antenna array
05/11/2011CN102055508A Pilot frequency transmitting method and corresponding channel estimation method
05/11/2011CN102055496A Method for constructing TD-SCDMA multi-cell joint detection system matrix
05/11/2011CN101447958B Measurement method for performance of modulator and device thereof
05/11/2011CN101442508B Method and apparatus for implementing power time curve of zero intermediate frequency TDMA transmitter
05/11/2011CN101394376B Isolation transmitter for field bus
05/11/2011CN101291159B Sending terminal, receiving terminal directly realizing spread-spectrum ultra-wideband and method thereof
05/11/2011CN101282317B Method and apparatus for estimating channel quality
05/11/2011CN101237250B Frequency spreading wave blind estimation method based on odd value analysis
05/11/2011CN101212236B TD-SCDMA terminal and interfered cell information detection and channel estimation method
05/11/2011CN101207591B Method and system for measuring signal characteristics of data signals transmitted between integrated circuit chips
05/11/2011CN101207590B Method and system of MIMO transmission
05/11/2011CN101141177B Device to real-time control of radio frequency chip and analog base band chip
05/11/2011CN101141143B Time-frequency RAKE receiving method and apparatus
05/11/2011CN101132249B Broadband multi-carrier frequency receiver without intermediate-frequency SAW filter
05/11/2011CN101072066B Intelligent antenna realizing method for CDMA communication system
05/11/2011CN101053156B Modulating circuit, transmitting apparatus using the same, receiving apparatus and communication system
05/10/2011US7941799 Interpreting I/O operation requests from pageable guests without host intervention
05/10/2011US7940877 Signal edge detection circuitry and methods
05/10/2011US7940869 Radio communication method, system and a terminal station
05/10/2011US7940852 Near optimal joint channel estimation and data detection for COFDM systems
05/10/2011US7940838 Distortion characterization system
05/10/2011US7940738 Wireless communication unit and method for processing a code division multiple access signal
05/10/2011US7940638 MIMO communication system and method for communicating with single antenna and multi-antenna mobile stations
05/05/2011WO2011053970A2 Channel status reporting
05/05/2011WO2011053855A1 Adaptive digital post distortion reduction
05/05/2011WO2011053501A1 Differential closed-loop transmission feedback in wireless communication systems
05/05/2011WO2011052141A1 Data transmission system
05/05/2011WO2011051857A2 Method and apparatus for merging bit probability information in serial localization with indecision
05/05/2011WO2011051826A1 Adaptive digital baseband receiver
05/05/2011WO2011051252A2 Method and apparatus for channel quality derivation
05/05/2011WO2011050935A1 Process for decoding alamouti block code in an ofdm system, and receiver for the same
05/05/2011WO2011050719A1 Method and apparatus for blind channel detection
05/05/2011WO2011013071A3 Soft bit value generation in a sequence estimator
05/05/2011WO2011010107A3 Receiver for wireless transmission
05/05/2011WO2010140134A3 Reduced-complexity equalization with sphere decoding
05/05/2011WO2010140131A3 Continuous sequential scatterer estimation
05/05/2011WO2010108043A3 Finite rate of innovation (fri) techniques for low power body area network (lp-ban) communications
05/05/2011US20110103518 Dc offset suppression circuit for a complex filter
05/05/2011US20110103512 Method and system for minimizing power consumption in a communication system
05/05/2011US20110103507 System and method for combined predistortion and interference cancellation in a satellite communications system
05/05/2011US20110103434 Gain control & frequency stability in digitally-channelised rf bi-directional amplifiers
05/05/2011US20110103405 Technique for adjusting a phase relationship among modulation symbols
05/05/2011DE10243197B4 Digitales Signalübertragungsverfahren A digital signal transmission method
05/05/2011DE102010006171A1 Verfahren und Vorrichtung zur Erzeugung eines Signals zur Unterdrückung eines Empfangssignals Method and apparatus for generating a signal for suppressing a received signal
05/04/2011EP2317717A2 Iterative detection and decoding for a MIMO-OFDM system
05/04/2011EP2317714A2 Tonal precoding in multi-user vectored DSL transmission
05/04/2011EP2317713A1 Method and system for receiver adaptation based on knowledge of wireless propagation environments
05/04/2011EP2317712A1 Method and device for channel estimation and corresponding program product
05/04/2011EP2317711A1 Voice over data telecommunications network architecture
05/04/2011EP2317710A2 Voice over data telecommunications network architecture
05/04/2011EP2317683A2 Packet transmission via multiple links in a wireless communication system
05/04/2011EP2317665A1 Technique for transmitted streams combining weight determination in a receiver of a SIMO or MIMO system
05/04/2011EP2317664A2 Transmission in multi-channel communication system using selective channel power control
05/04/2011EP2317655A1 Parallel-serial converter for optical transmission, optical transmission system, and electronic apparatus
05/04/2011EP2317653A2 Multi-stage code generator and decoder for communication systems
05/04/2011EP2317411A2 Network device interface for digitally interfacing data channels to a controller via a network
05/04/2011EP2316209A1 Precoder for a communication system and methods used in said communication system
05/04/2011EP2316208A2 Method for dynamically controlling focusing of a time-reversal pre-equalized signal
05/04/2011EP2316207A2 Method for estimating quality of the focusing of a time-reversal pre-equalized signal
05/04/2011EP2316186A1 Mimo receiver using ml depth-first and k-best detectors for snr higher and lower than a threshold
05/04/2011EP2316168A1 Determination of receive data values
05/04/2011EP1213845B1 Code acquisition in a CDMA communication system
05/04/2011CN1787504B Radiation noise suppression circuit for differential transmission line
05/04/2011CN102047624A Methods and systems for improving frame decoding performance using known information
05/04/2011CN102047623A Differential transmission circuit
05/04/2011CN102047595A System and method of an in-band modem for data communications over digital wireless communication networks
05/04/2011CN102047580A Mobile communication system, reception device, and method
05/04/2011CN102045892A Baseband pool equipment and method for realizing baseband data distributed switching
05/04/2011CN102045832A High-speed burst demodulation synchronizing device
05/04/2011CN102045728A Method for allocating reference signals and base station
05/04/2011CN102045292A Synchronous sequence construction method for cooperative relay system
05/04/2011CN102045291A Partial DMM reception to reduce standby power
05/04/2011CN102045290A Gray modeling-based OFDM narrow-band slow-fading slowly time-varying channel estimation method
05/04/2011CN102045285A Channel estimation method and device and communication system
05/04/2011CN102045284A Frequency shift keying (FSK) demodulating device
05/04/2011CN102045278A Preprocessing method for base band signal
05/04/2011CN102045277A MIMO-based single carrier frequency domain equalizing device
05/04/2011CN102045276A System and method for providing a full fail-safe capability in signal transmission networks
05/04/2011CN102045275A Cable-transmitted Manchester coded signal receiver
05/04/2011CN102045151A Method and apparatus for noise estimation in orthogonal frequency division multiplexing system
05/04/2011CN102045143A Multi-antenna feedback mapping method and device
05/04/2011CN102045139A Precoding codebook feedback method and device
05/04/2011CN102045119A Admittance slide block for impedance adapter
05/04/2011CN102045118A Compressed sensing reconstruction algorithm based on pseudo-inverse multiplication
05/04/2011CN102045117A Apparatus and method for signal quality measurement on gfsk signals