Patents for H04L 27 - Modulated-carrier systems (89,721)
07/2009
07/23/2009WO2009056627A3 A method for determining and compensating transceiver non-idealities using complementary golay sequence pairs
07/23/2009WO2009037626A3 Random access preamble for cellular phone systems with multiple zadoff-chu sequences
07/23/2009WO2008114956A9 Efficient uplink feedback in a wireless communication system
07/23/2009WO2008100038A3 Data transmitting and receiving method using phase shift based precoding and transceiver supporting the same
07/23/2009WO2008073246A9 Wireless communication method and apparatus for allocating training signals and information bits
07/23/2009US20090187811 Method and system for providing low density parity check (ldpc) encoding
07/23/2009US20090187805 Turbo decoding module supporting state n metric value normalization operations
07/23/2009US20090185649 Decision Directed Flicker Noise Cancellation
07/23/2009US20090185647 Precise frequency estimation of short data bursts
07/23/2009US20090185646 Estimating frequency shift
07/23/2009US20090185645 Receiver Device, Error Detection Circuit, and Receiving Method
07/23/2009US20090185644 Soft Decision Processing
07/23/2009US20090185643 Methods and Apparatus for Map Detection with Reduced Complexity
07/23/2009US20090185641 Method and system for detecting narrowband signals using a receiver with a wideband frontend
07/23/2009US20090185640 Demodulation circuit, digital microwave system and demodulation method
07/23/2009US20090185638 Radio transmission device and radio transmission method
07/23/2009US20090185637 Apparatus and circuit for data transmission
07/23/2009US20090185635 Communication System, Transmitter, Receiver and Multiple Access Method
07/23/2009US20090185634 Radio communication system, radio communication device, and channel correlation matrix decision method
07/23/2009US20090185633 Method and System for Specifying the Location of Data Bursts
07/23/2009US20090185631 Method and apparatus for detecting transmission symbol using lattice-reduction matrix in multiple input multiple output (MIMO) system
07/23/2009US20090185630 Method and apparatus for estimating the channel impulse response of multi-carrier communicating systems
07/23/2009US20090185629 Coding a signal with a shuffled-Hadamard function
07/23/2009US20090185626 Data summarization system and method for summarizing a data stream
07/23/2009US20090185613 High-Speed Receiver Architecture
07/23/2009US20090185612 Method and apparatus for single burst equalization of single carrier signals in broadband wireless access systems
07/23/2009US20090185611 Method for calculating filter coefficients for an equaliser in a communication receiver using hermitian optimisation
07/23/2009US20090185610 Joint Demodulation Using a Viterbi Equalizer Having an Adaptive Total Number of States
07/23/2009US20090185609 Equalizer test circuit and equalizer test signal generation circuit
07/23/2009US20090185607 Method for channel state feedback by quantization of time-domain coefficients
07/23/2009US20090185605 Seamless change of depth of a general convolutional interleaver during transmission without loss of data
07/23/2009US20090185550 Radio base station apparatus
07/23/2009US20090185079 Integrated analog video receiver
07/23/2009DE102008003669A1 Verfahren zum Empfang eines breitbandigen elektromagnetischen Signals A method of receiving a wideband electromagnetic signal
07/23/2009DE102007025450B4 Verfahren zur linienförmigen Zugbeeinflussung, Sende-Einrichtung sowie Empfangs-Einrichtung Method for linear train control system, transmitting device and receiving device
07/23/2009CA2713349A1 Open loop precoder cycling in mimo communications
07/22/2009EP2081343A2 Estimating frequency shift
07/22/2009EP2081342A2 Wireless transmission system, receiver thereof, and method for removing inter-carrier interference thereof
07/22/2009EP2081341A1 Device and method for correcting a data error in communication path
07/22/2009EP2081303A2 Multicarrier radio communication system, base station, radio relay station, mobile station, and multicarrier radio communication method
07/22/2009EP2080338A2 Progressive information beacon symbols
07/22/2009EP2080337A2 Symbol synchronization using phase discontinuity for dvb-t systems in awgn channels
07/22/2009EP2080335A2 Signalling
07/22/2009EP2080308A2 Method for retransmitting data in the multi-carrier system
07/22/2009EP2080307A2 Method for retransmitting in the multi-carriers system
07/22/2009EP2080277A2 Method and apparatus for fast cell search
07/22/2009EP2006853A9 Device for embedding information in data
07/22/2009EP1929643B1 Receiver and wireless communication apparatus
07/22/2009EP1875700B1 Polar transmitter with digital to rf converter
07/22/2009EP1869779A4 Receiver for receipt and demodulation of a frequency modulated rf signal and method of operation therein
07/22/2009EP1719315B1 Channel adaption using variable sounding signal rates
07/22/2009EP1566007A4 Method and apparatus for embodying and synchronizing downlink signal in mobile communication system and method for searching cell using the same
07/22/2009EP1563621B1 Method and apparatus for RAKE combining based upon signal to interference plus noise ratio
07/22/2009EP1459438A4 Corrective phase quadrature modulator system and method
07/22/2009CN101491050A Frame building in the presence of ARQ-enabled traffic
07/22/2009CN101491049A Method of switching modes of uplink transmission in a wireless communication system
07/22/2009CN101491048A Transmission pattern for the transmission of data in a radio communications system
07/22/2009CN101491047A Unequal error protection for a multicarrier transmission
07/22/2009CN101488939A Method, apparatus and receiver for implementing symbol synchronization in wireless communication system
07/22/2009CN101488938A MC-CDMA system based on grid coded modulation and multi-amplitude receiver antenna, transceiving method therefor
07/22/2009CN101488937A Estimating frequency shift
07/22/2009CN101488936A Wireless transmission system, receiver and inter-carrier interference elimination method thereof
07/22/2009CN101488934A Power allocation method for modulation constrained system
07/22/2009CN101488933A Sub-carrier allocation method in OFDM access system
07/22/2009CN101488932A Broadcast channel positioning method, apparatus and system in OFDM system
07/22/2009CN101488931A Transmitting, capturing method for OFDM, device and system therefor
07/22/2009CN101488930A Multi-code OFDM transmission method and equipment thereof
07/22/2009CN100518165C Hard-decision method fitted for implementation of multilevel quadrature amplitude modulation
07/22/2009CN100518164C Orthogonal amplitude mod/demod apparatus for OFDM system
07/22/2009CN100518163C Method for fast realization of soft-demodulation and soft-modulation in high-order quadrature amplitude modulation
07/22/2009CN100518162C OFDM receiver with intersymbol interference suppression
07/22/2009CN100518161C Improved method for demodulating constant-amplitude multi-code biorthogonal modulation signals
07/22/2009CN100518160C Sample clock frequency deviation compensation method and device for OFDM receiver
07/22/2009CN100518159C TDS-OFDM receiver and signal processing method thereof
07/22/2009CN100518158C Method and apparatus for frequency tracking based on recovered data
07/22/2009CN100518157C Method and device for frequency deviation compensation of mobile communication system
07/22/2009CN100518156C Single carrier transmitting system for improving receiving efficiency of single carrier receiving system
07/22/2009CN100518155C Carrier redactor
07/22/2009CN100518028C Frequency division multiplexing transmission digital signal through orthoganal
07/22/2009CN100518027C Orthogonal FDM transmitting system and method for reducing synchronizing time
07/22/2009CN100518026C Multicarrier transmitting system for improving receiving function and signal processing method thereof
07/22/2009CN100518025C Multi-carrier wale system with 3780 point IDFT/DFT processor and method thereof
07/22/2009CN100517991C Communicator adopting digital subscriber line modulator-demodulator and method thereof
07/22/2009CN100517986C Direct switching receiver
07/21/2009US7565127 Signal processing unit
07/21/2009US7565117 Control of power amplifiers in devices using transmit beamforming
07/21/2009US7564935 AGC circuit which is hard to be influenced by level of input signal
07/21/2009US7564931 Robust maximum-likelihood based timing recovery
07/21/2009US7564930 Method and apparatus for implementing a traceback processor for trellis decoding in a Viterbi decoder
07/21/2009US7564927 Band averaging circuit and related method for carrier frequency offset estimation in a multi-band multi-carrier communication system
07/21/2009US7564926 Method and device for calculating zero-crossing reference sequences for signal detection of angle-modulated signals based on zero crossings of the received signal
07/21/2009US7564924 Reception device, demodulator, and communication method
07/21/2009US7564923 Frequency offset and method of offsetting
07/21/2009US7564919 Wireless communications with auxiliary antennas
07/21/2009US7564913 Divisionless baseband equalization in symbol modulated communications
07/21/2009US7564912 Method and apparatus for channel state information generation in a DVB-T receiver
07/21/2009US7564908 Method and apparatus for encryption of over-the-air communications in a wireless communication system
07/21/2009US7564906 OFDM transceiver structure with time-domain scrambling
07/21/2009US7564905 System and method for providing terrestrial digital broadcasting service using single frequency network
07/21/2009US7564895 Method and apparatus for monitoring channel frequency response