Patents for H04L 27 - Modulated-carrier systems (89,721)
01/2013
01/02/2013CN102859956A Reducing blind decodings for communications using carrier aggregation
01/02/2013CN102859955A Method and arrangement for signal processing communication system
01/02/2013CN102859914A Coordinated silent period with sounding reference signal (SRS) configuration
01/02/2013CN102859908A Phase skew compensation at a coherent optical receiver
01/02/2013CN102859907A Power adjustment of in-phase and quadrature components at a coherent optical receiver
01/02/2013CN102859906A Passive optical networks
01/02/2013CN102859896A Method and device for providing control information for uplink transmission in wireless communication system supporting uplink multi-antenna transmission
01/02/2013CN102859893A Mimo layer specific reference signals based on codes and cyclic shifts
01/02/2013CN102857469A Quaternary phase-shift keying signal tracking method and device
01/02/2013CN102857468A SC-FDE (single carrier with frequency-domain equalization) system based on MAP (maximum a posterior) equalization and construction method of pilot frequency structure therein
01/02/2013CN102857467A Random access structure for wireless networks
01/02/2013CN102857466A Orthogonal frequency division multiplexing (OFDM) system common phase error compensation method and device
01/02/2013CN102857465A Compensation method and compensation device of synchronization error of orthogonal frequency division multiplexing (OFDM) system
01/02/2013CN102857464A Method and device for expanding signal bandwidth in digital transmission system
01/02/2013CN102857463A Method and equipment for transmitting data
01/02/2013CN102857462A Method and device for transmitting data
01/02/2013CN102857461A Noise power estimating method and device
01/02/2013CN102857460A Method and device for transmitting data in wireless communication system
01/02/2013CN102857459A Method and device for determining demodulation pilot frequencies
01/02/2013CN102857458A Pilot frequency symbol determining method and device
01/02/2013CN102857457A Time division duplexing-long term evolution (TDD-LTE) downlink synchronizing method
01/02/2013CN102857456A Method and system for improving multi-user competition detection rate of ranging code
01/02/2013CN102857455A Ranging code generation method and device
01/02/2013CN102857454A One-third continuous phase chip keying modulation method
01/02/2013CN102857453A Method for eliminating initial oscillation of shock filtering response of ABSK (Asymmetry Binary Shift Keying) signal
01/02/2013CN102857452A System and method for estimating and correcting phase shift in a wireless communication device
01/02/2013CN102857451A Transmitting device and distortion compensation method used therein
01/02/2013CN102857448A Short wave speed change communication system and multipath estimation and separation method used by same
01/02/2013CN102857314A Multi-frequency-point cooperative work sending and receiving method and system thereof for digital audio broadcasting signal
01/02/2013CN102857290A Method for transmitting and receiving signals, transmitter chain and receiver chain
01/02/2013CN102857284A Data transmitting method, data receiving method, data transmitting device, data receiving device and system
01/02/2013CN102857261A Submarine power line communication method and modem
01/02/2013CN102857254A Frequency hopping communication system and base band achieving method thereof
01/02/2013CN102857249A Receiver setting method for synchronous search of mobile terminal
01/02/2013CN101977174B Radio parameter group generating apparatus, transmitter and receiver
01/02/2013CN101958864B Multi-speed difference quadrature phase shift keying demodulator and control method thereof
01/02/2013CN101917245B Mimo system with multiple spatial multiplexing modes
01/02/2013CN101873701B Interference suppression method of OFDM (Orthogonal Frequency Division Multiplexing) relay network
01/02/2013CN101841498B Method for eliminating inter-subcarrier interference based on OFDM system
01/02/2013CN101841410B Sampling point signal selection method and receiving end
01/02/2013CN101795250B Demodulation method and device of D8PSK (differential 8-ary phase shift keying) modulation signals of VDL (VHF (very high frequency) digital link) communication system
01/02/2013CN101795155B Method and device for synchronizing wireless communication system
01/02/2013CN101783697B Transmit diversity method of OFDMA multiple-antenna system
01/02/2013CN101771441B Outdoor unit and method thereof for improving output performance
01/02/2013CN101764682B Method and device for selecting modulation code configuration
01/02/2013CN101729464B Method and device for acquiring frequency offset of signal
01/02/2013CN101710890B Pulse and OFDMD double-data modulation method
01/02/2013CN101690065B Method and apparatus of generating signals for initial ranging in ofdma system
01/02/2013CN101677310B Receiving device, method and program
01/02/2013CN101662337B Multi-input multi-output signal detection method and device
01/02/2013CN101656702B Method for processing signals to be transmitted
01/02/2013CN101610094B Method for selecting channel and communication system
01/02/2013CN101601247B Apparatus and method for producing a signal to reduce the par in a multicarrier system
01/02/2013CN101582873B Multi-mode terminal in a wireless mimo system with spatial multiplexing
01/02/2013CN101578837B Method for receiving control information in orthogonal frequency division multiplexing system of mobile communication system
01/02/2013CN101552758B Accurate symbol sequential synchronous method in orthogonal frequency division multiplexing (OFDM) system
01/02/2013CN101548482B Device and method for detecting a communication channel
01/02/2013CN101547034B Pilot frequency method and device
01/02/2013CN101540751B Demodulating method for multi-stream data and system thereof
01/02/2013CN101540634B Uplink synchronisation method, base station, terminal and communication system
01/02/2013CN101529733B Interference management techniques for wireless networks
01/02/2013CN101518007B System and method for communicating data using symbol-based randomized orthogonal frequency division multiplexing (ofdm) with selected subcarriers turned on or off
01/02/2013CN101507216B Method and arrangement relating to the insertion of pilot tones in the frequency domain in SC-FDMA
01/02/2013CN101478338B Multiplex transmission method for public reference signal and special reference signal
01/02/2013CN101336534B Dynamic interleaving method and device
01/02/2013CN101326740B Method of transmitting OFDM signal and transmitter and receiver thereof
01/02/2013CN101299736B Method and system for implementing channel quality indication information transmission, subscriber terminal and base station
01/02/2013CN101273533B EDGE transceiver architecture and related methods
01/02/2013CN101175059B Method and device for quantifying channel quality indication
01/02/2013CN101103605B Initial pilot frequency selection
01/02/2013CN101019390B Iterative channel and interference estimation with dedicated pilot tones for OFDM
01/02/2013CN101005480B 解调电路和解调方法 Demodulation circuit and demodulation method
01/01/2013US8346292 Method and system for reduction of peak-to-average power ratio of transmission signals comprising overlapping waveforms
01/01/2013US8346288 Method and apparatus for transient frequency distortion compensation
01/01/2013US8346091 Distributed antenna system for wireless network systems
01/01/2013US8345803 Optimized finger assignment for improved multicarrier throughput
01/01/2013US8345802 Receiver for digital modulated signal and receiving method for the same
01/01/2013US8345801 Apparatus and method for signal mismatch compensation in a wireless receiver
01/01/2013US8345797 Method and apparatus for generating steering matrices for beamforming
01/01/2013US8345796 Communication system and method for improving efficiency and linearity
01/01/2013US8345792 Method of transmitting data for digital broadcasting in wireless communication system
01/01/2013US8345783 Phase tracking system and method
01/01/2013US8345782 Method and apparatus for channel estimation
01/01/2013US8345781 Channel quality assessment method in OFDM(A) communications and a corresponding system
12/2012
12/27/2012WO2012178153A2 Bi-phase communication demodulation methods and apparatus
12/27/2012WO2012177047A2 Method and apparatus for allocating reference signal port in wireless communication system
12/27/2012WO2012177046A2 System and method for an uplink control signal in wireless communication systems
12/27/2012WO2012177037A2 Method and apparatus for transmitting and receiving time division duplex frame configuration information in wireless communication system
12/27/2012WO2012176119A2 Centralized adaptor architecture for power amplifier linearizations in advanced wireless communication systems
12/27/2012WO2012151063A3 Methods and systems of wireless communication with remote radio heads
12/27/2012WO2012128490A3 Retransmission method for dynamic subframe setting in wireless communication system and apparatus for same
12/27/2012WO2012118360A3 Fast fourier transform processor and fast fourier transform method for odfm system
12/27/2012WO2012092891A3 Data modulation method and device, and data processing system
12/27/2012WO2009150266A3 Method for the transmission (modulation) and reception (demodulation) of signals from communication systems with dft multi-carrier modulation and transmultiplexers based on exponentially modulated filter banks, and transmitting and receiving devices
12/27/2012WO2009147259A3 Method for the transmission (modulation) and reception (demodulation) of signals in communication systems with dft-based multicarrier modulation and transmultiplexers based on sine and/or cosine modulated filter banks, and transmitting and receiving devices
12/27/2012US20120328058 Long-Term Drift Mitigation For Radio Frequency Receivers Utilizing A Free-Running Crystal
12/27/2012US20120328057 Method and apparatus for implementing signal quality metrics and antenna diversity switching control
12/27/2012US20120328056 Communication apparatus and communication method
12/27/2012US20120328055 Channel estimation circuit, channel estimation method, and receiver
12/27/2012US20120328054 Receiver and signal receiving method thereof