Patents for H04L 27 - Modulated-carrier systems (89,721)
07/2013
07/03/2013CN1820441B Method for RF signal combining and adaptive bit loading for data rate maximization in multi-antenna communication systems
07/03/2013CN1568592B Transmission device, reception device and radio communication method
07/03/2013CN103190128A Multiple signal transformation in wireless receivers
07/03/2013CN103188789A Secondary synchronization sequence detection method and terminal equipment
07/03/2013CN103188685A Wireless resource allocation method and equipment
07/03/2013CN103188202A Signal transmission method, signal receiving method, signal communication method, signal receiver, signal transmitter and signal transmitting-receiving device
07/03/2013CN103188201A Transmitting system, receiving system, transmitting method, and receiving method
07/03/2013CN103188200A Improved synchronization algorithm for Expanded Time and Frequency (ETF) OFDM (Orthogonal Frequency Division Multiplexing) system
07/03/2013CN103188199A Broadband peak clipping method and broadband peak clipping device based on fractional delay CPG (Certified Program Generator)
07/03/2013CN103188198A OFDM (Orthogonal Frequency Division Multiplexing) symbol timing and frequency offset estimation method based on particle swarm optimization (PSO) algorithm
07/03/2013CN103188197A Communication device and method thereof
07/03/2013CN103188196A Synchronized method of orthogonal frequency division multiplexing system
07/03/2013CN103188195A Method and device of coarse synchronizing
07/03/2013CN103188194A Measuring device and measuring method of signal power in orthogonal frequency division multiplexing (OFDM) system
07/03/2013CN103188193A Doppler shift compensation method used for TD-LTE system
07/03/2013CN103188192A Baseband processing device applied to video sensor
07/03/2013CN103188191A Multi-carrier receiver and gain calibration method thereof
07/03/2013CN103188190A Method and system for measuring carrier signal interference
07/03/2013CN103188189A Measuring method and measuring device for channel time delay
07/03/2013CN103188188A Signal system for demodulation and filtering and demodulation and filtering method
07/03/2013CN103188187A High-linearity ASK modulation method
07/03/2013CN103188186A Resampling processing device and method and digital modulation signal producing device
07/03/2013CN103188175A Frequency compensation circuit, demodulation system and demodulation method
07/03/2013CN103188056A Sending method and sending device for confirmed/unconfirmed information
07/03/2013CN103188053A Signal detection method for space time block code (STBC)-orthogonal frequency division multiplexing (OFDM) system under condition of lack of cyclic prefix
07/03/2013CN103188044A Data transmission method and equipment
07/03/2013CN102255856B Method for transmitting radio digital broadcasting signal
07/03/2013CN102255854B Anti-interference method for transmitting wireless digital broadcast signal
07/03/2013CN102255698B Anti-fading framing modulating method for multimedia broadcast radio signal
07/03/2013CN102223332B Modulation method of one-half continuous phase chip keying
07/03/2013CN102148667B Transceiving method and realization device thereof used for single frequency network signals
07/03/2013CN102123113B Method for transmitting public channel signal in high-speed rail cell
07/03/2013CN102088431B Method and device for solving normalization value in OFDMA system
07/03/2013CN102045151B Method and apparatus for noise estimation in orthogonal frequency division multiplexing system
07/03/2013CN101951355B Method for reducing peak-to-average ratio of lead code of OFDM
07/03/2013CN101938443B Method for obtaining frequency offset and relevant device thereof
07/03/2013CN101902430B Methods and apparatuses for dealing with spectrum inversion
07/03/2013CN101874393B Apparatus for transmitting and receiving a signal and method for transmitting and receiving a signal
07/03/2013CN101807938B Pseudo-random noise code tracing circuit and method
07/03/2013CN101771511B Method and device for feeding back ACK (Acknowledge Character)/NACK (Negative Acknowledgement) in multi-carrier upgrade system
07/03/2013CN101674138B Driving magnitude control device of differential quadrature phase shift keying transmitter and method
07/03/2013CN101669344B Usf coding
07/03/2013CN101651646B Differential receiving system of cellular receiver and method for realizing signal reception
07/03/2013CN101479963B Orthogonal frequency division multiple access message processing method and apparatus
07/03/2013CN101355412B Method for transmitting signal
07/03/2013CN101304274B Method and device for controlling channel self-adaption emission
07/03/2013CN101232364B Approximate phase angle calculator and method for calculating approximate phase angle
07/03/2013CN101160898B Timing synchronization and channel estimation at a transition between local and wide area waveforms using a designated TDM pilot
07/02/2013USRE44335 System and method for providing terrestrial digital broadcasting service using single frequency network
07/02/2013US8478319 Feature extraction and data compression system and method for distributed sensor networks
07/02/2013US8477894 Method and system for communication channel characterization
07/02/2013US8477891 Noise estimation for wireless communication
07/02/2013US8477890 Geometric detector for communicating through constant modulus (CM) interferers
07/02/2013US8477887 Systems and methods providing frequency-domain automatic gain control (AGC)
07/02/2013US8477886 Radio-receiver circuit
07/02/2013US8477885 Recursive frequency estimation
07/02/2013US8477884 Accelerated turbo transceiver and method for MIMO system
07/02/2013US8477883 Maximum likelihood decoding method, equipment, and receiver
07/02/2013US8477882 Radio apparatus
07/02/2013US8477881 Method and apparatus for determining receiver beam forming vectors in multi-user MIMO systems
07/02/2013US8477880 Method and apparatus for signal detection based on MMSE in MIMO communication system
07/02/2013US8477876 Fast blind channel search
07/02/2013US8477874 Method, device and system of wireless communication
07/02/2013US8477873 Apparatus for generating frequency signal
07/02/2013US8477872 Multi-antenna system and method for transmitting and receiving information in multi-antenna system
07/02/2013US8477870 Transmitter including polar modulation circuit
07/02/2013US8477860 OFDM signal reception in the presence of interference
07/02/2013US8477859 System and method for wireless communications with codebook quantization
07/02/2013US8477858 Method and apparatus for processing data for transmission in a multi-channel communication system using selective channel inversion
07/02/2013US8477857 Efficient cartesian transmitter using signal combiner
07/02/2013US8477834 Partial response decision-feedback equalization with adaptation based on edge samples
07/02/2013US8477831 Multi-protocol multiple-data-rate auto-speed negotiation architecture for a device
07/02/2013US8477809 Systems and methods for generalized slot-to-interlace mapping
07/02/2013US8477712 Method for mapping physical random access channels
07/02/2013US8477593 Method and apparatus for sending signaling for data transmission in a wireless communication system
07/02/2013US8477592 Interference and noise estimation in an OFDM system
07/02/2013US8476985 Method and arrangement for generating a frequency-modulated signal
07/02/2013CA2756704C Multiple protocol receiver
07/02/2013CA2565736C Digital broadcasting transmission and/or reception system to improve receiving performance and signal processing method thereof
07/02/2013CA2561009C High speed multiple loop dsl system
07/02/2013CA2475895C Process for providing a pilot aided phase recovery of a carrier
06/2013
06/27/2013WO2013096724A1 Flexible cyclic prefix management
06/27/2013WO2013096607A1 Apparatus and method for receiving signals in a vehicle
06/27/2013WO2013095353A1 An orthogonal frequency division multiplex (ofdm) receiver with phase noise mitigation and reduced latency
06/27/2013WO2013095263A2 Selective power amplifier
06/27/2013WO2013095252A1 Blind detection of vamos capable mobile stations
06/27/2013WO2013095251A2 Multi-band crest factor reduction
06/27/2013WO2013094568A1 Optical transmission system
06/27/2013WO2013093340A2 Method for transmitting at least one multi-carrier signal consisting of ofdm-oqam symbols
06/27/2013WO2013093271A1 Establishing the quality indicator of a radio channel by decorrelating radio conditions and network activity
06/27/2013WO2013093171A1 Joint first reference signal and second reference signal based channel state information feedback
06/27/2013WO2013092876A1 Circuit and method
06/27/2013WO2013092431A1 Radio module for a household appliance having an adjustable radio standard, and corresponding household appliance
06/27/2013WO2013091541A1 Methods and apparatus for noise estimation of communication terminals
06/27/2013WO2013091540A1 Communications terminal, method and apparatus for interference cancellation, and method of demodulation
06/27/2013WO2013091490A1 Method and device for processing cyclic shift sequence hopping and obtaining cyclic shift sequence values
06/27/2013WO2013091187A1 Semi-full-duplex single-carrier transmission technique
06/27/2013WO2013091155A1 Carrier frequency offset estimation method and device
06/27/2013WO2013091048A1 Wireless electric power control system for use in intelligent networks
06/27/2013WO2013066084A3 Method and wireless device for monitoring downlink control channel
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