Patents for H04L 27 - Modulated-carrier systems (89,721)
02/2011
02/17/2011US20110038428 Encoding apparatus, information processing apparatus, encoding method, and data transmission method
02/17/2011US20110038427 Differential signal transmission device
02/17/2011US20110038407 Equalizer receiver in a mobile communication system and method therefor
02/17/2011US20110038403 Orthogonal frequency division multiplex modem circuit
02/17/2011US20110038400 Wireless apparatus and signal processing method
02/17/2011US20110038385 Signal processing apparatus, signal processing method, and reception system
02/17/2011US20110038303 Method and apparatus for transmitting/receiving control channel
02/17/2011US20110037904 Receiving apparatus and method, program, and receiving system
02/17/2011US20110037903 Terminated concatenated convolutional coding of M/H group data in 8VSB digital television signals
02/17/2011DE102009037348A1 Transponder i.e. radio frequency identification tag, has multiple oscillating circuits provided with coils and capacitors and including preset, different resonance frequencies, where transponder is identified based on frequencies
02/17/2011DE102009026358A1 Converter for converting control data in house distribution system that distributes TV and radio signals, has communication interfaces provided for bidirectional data transmission of portion of read control data over output
02/17/2011CA2770857A1 Physical uplink shared channel demodulation reference signal design for uplink coordinated transmission in type ii relay using a punctured demodulation reference signal
02/16/2011EP2285170A2 Automatic power control for a CDMA communications system
02/16/2011EP2285169A2 Automatic power control for a CDMA communications system
02/16/2011EP2285168A2 Automatic power control for a CDMA communications system
02/16/2011EP2285059A2 Digital transmitters for wireless communication
02/16/2011EP2285058A2 Digital transmitters for wireless communication
02/16/2011EP2285057A1 Demodulating DVB-T2 Future Extension Frames Using Information From the T2 Frames
02/16/2011EP2285056A1 Low-consumption demodulator
02/16/2011EP2285054A1 Filter for impulse response shortening, with additional spectral constraints, for multicarrier transmission
02/16/2011EP2285037A1 Scalable pattern methodology for multi-carrier communication systems
02/16/2011EP2285032A2 Transport block set transmission using hybrid automatic repeat request
02/16/2011EP2285030A1 Method for obtaining information representative of the channel quality indication on at least one frequency subband
02/16/2011EP2285016A1 Multicarrier receiver with antenna selection and maximum ratio combining
02/16/2011EP2285013A2 Apparatuses and methods for multiantenna channel quality data acquisition in a broadcast/multicast service network
02/16/2011EP2283694A1 Cell search for flexible spectrum use
02/16/2011EP2283625A2 Mimo detection method and system based on channel correlation
02/16/2011EP2283624A2 Apparatus and method for determination of signal format
02/16/2011EP2283582A2 Methods, systems, and computer readable media for scrambled communication of data to, from, or over a medium
02/16/2011EP1958328B1 Signal output circuit, communication apparatus and signal output control method
02/16/2011EP1438799B1 Header symbol structure for MIMO-OFDM
02/16/2011EP1413059B1 Bit-interleaved coded modulation using low density parity check (ldpc) codes
02/16/2011CN201750525U FSK numerically-controlled dual-frequency wireless microphone system
02/16/2011CN201750437U Double-mode multifrequency power line carrier wave modem
02/16/2011CN1968233B System for transmitting single carrier and transmitting method thereof
02/16/2011CN1968232B System for transmitting single carrier and transmitting method thereof
02/16/2011CN1897495B Wireless receiving device having low power consumption and excellent reception performance
02/16/2011CN101978719A System and method for utilizing spectral resources in wireless communications
02/16/2011CN101978664A Frequency hopping pattern and arrangement for sounding reference signal
02/16/2011CN101978631A Forward error correction coding for am 9khz and 10khz in-band on-channel digital audio broadcasting systems
02/16/2011CN101977441A Dynamic resource allocation method for improving multi-cell edge user throughput in OFDMA (Orthogonal Frequency Division Multiple Access) system
02/16/2011CN101977176A Method for realizing general demodulation of different modulating signals
02/16/2011CN101977175A Novel two-dimensional spread spectrum system synchronization method
02/16/2011CN101977174A Radio parameter group generating apparatus, transmitter and receiver
02/16/2011CN101977173A Bandwidth blind estimation method of OFDM signals
02/16/2011CN101977172A Broadcast positioning signal generation method, positioning method and device
02/16/2011CN101977171A Multiple access signal transmission method for broadband wireless communication system
02/16/2011CN101977169A Time domain parameter blind evaluation method of OFDM (Orthogonal Frequency Division Multiplexing) signals
02/16/2011CN101977096A Amplify-and-forward (AF) cooperative communication method for performing network coding on MPSK signal
02/16/2011CN101977089A GSM time-slot boundary detection method applied to GSM digital repeater
02/16/2011CN101977088A Spherical detection method of multiple input multiple output-orthogonal frequency division multiplexing (MIMO-OFDM) wireless communication system
02/16/2011CN101977071A Multi-receiving-antenna frequency offset estimation method used for orthogonal frequency division multiplexing
02/16/2011CN101977066A Method and device for suppressing narrowband interference and network system
02/16/2011CN101534276B Enhanced method for demodulating constant-amplitude multi-code biorthogonal modulation signals
02/16/2011CN101489056B Digital multimedia signal receiver and channel pre-searching method thereof
02/16/2011CN101482573B Detection method and apparatus for terminal high-speed moving state
02/16/2011CN101340416B Synchronization and channel response estimation method suitable for OFDM system
02/16/2011CN101286971B System and method for adaptive frame length control in OFDM system
02/16/2011CN101252555B Channel estimation method in OFDM mobile communication system
02/16/2011CN101129011B Communication system, communication device, error correction method
02/16/2011CN101018220B Implementation method and device for avoiding the interference between the cells
02/15/2011US7890068 Communication system, transmitting device, and receiving device
02/15/2011US7889820 Phase compensation for analog gain switching in OFDM modulated physical channel
02/15/2011US7889819 Methods and systems for sampling frequency offset detection, correction and control for MIMO OFDM systems
02/15/2011US7889818 Method and apparatus for controlling sampling of signals produced in relation to stored data
02/15/2011US7889817 Apparatus and method for receiving a radio signal
02/15/2011US7889816 Clock and data recovery circuit and communications apparatus including the clock and data recovery circuit
02/15/2011US7889814 Transmitting and receiving apparatus for supporting transmit antenna diversity using space-time block code
02/15/2011US7889813 Method, apparatus and receiver for demapping dual carrier modulated COFDM signals
02/15/2011US7889810 Method and apparatus for a nonlinear feedback control system
02/15/2011US7889805 Smart antenna system and method thereof for forming uplink eigenbeam of OFDM/TDD
02/15/2011US7889803 Time and frequency domain based approaches for fine timing and frequency estimations
02/15/2011US7889802 Demodulating device, method and program
02/15/2011US7889801 Multi transmit antenna synchronization channel transmission cell ID detection
02/15/2011US7889800 Memory-saving method for generating soft bit values from an OFDM signal
02/15/2011US7889799 Method and apparatus for OFDM channel estimation
02/15/2011US7889798 PAR reduction for EDGE clipper
02/15/2011US7889786 Operating frequency reduction for transversal FIR filter
02/15/2011US7889781 Maximum energy delay locked loop for cluster path processing in a wireless device
02/15/2011US7889779 System and method for rapid generation of low PAR Q-mode signals
02/15/2011US7889635 Versatile system for dual carrier transformation in orthogonal frequency division multiplexing
02/15/2011US7889632 Radio communication system and radio communication method
02/15/2011CA2566539C Method and apparatus for transmitting uplink fast feedback information in an ofdma communication system
02/10/2011WO2011017447A1 Channel estimation by metric selection between a 2-d and a 1-d based frequency channel estimation
02/10/2011WO2011017247A2 Ofdm transmission methods in three phase modes
02/10/2011WO2011016835A1 Data transmission using low density parity check coding and constellation mapping
02/10/2011WO2011016834A1 Data reception using low density parity check coding and constellation mapping
02/10/2011WO2011016670A2 Method for demodulating received signals and apparatus therefore
02/10/2011WO2011016205A1 Receiving device and receiving method
02/10/2011WO2011015119A1 Method and device for suppressing out-of-band power
02/10/2011WO2011015064A1 Power adjustment method and base station in orthogonal frequency division multiplexing system
02/10/2011WO2011014926A1 Soft-demapping of qam signals
02/10/2011WO2010147755A3 Techniques for hierarchical encoding for multicast broadcast services in wireless communication systems
02/10/2011WO2009136091A8 Method for the dynamic compensation of a relative movement of a communicating entity
02/10/2011US20110035522 Software-Defined Radio Using Multi-Core Processor
02/10/2011US20110033191 Method and device for phase recovery and communication system comprising such device
02/10/2011US20110033051 Method and apparatus for reducing probability of detection, improving jamming resistance and security for broadband wireless systems
02/10/2011US20110033016 Method and apparatus for providing carrier synchronization in digital broadcast and interactive systems
02/10/2011US20110033013 Radio receiver gain control
02/10/2011US20110033012 Channel estimator