Patents for H04L 27 - Modulated-carrier systems (89,721)
01/2014
01/03/2014WO2014003620A1 Baseband processing of tdd signals
01/03/2014WO2014003347A1 Transmission end, method for providing downlink data channel instruction at transmission end, terminal, and method for receiving downlink data at terminal
01/03/2014WO2014002528A1 Receiving device and receiving method, and computer program
01/03/2014WO2014002384A1 Turbo equalization device, turbo equalization method, and turbo equalization program
01/03/2014WO2014000575A1 Self-adaptive method, system and device for audio communication modulation modes, and electronic signature tool
01/03/2014WO2014000453A1 High order modulation method, demapping method, and corresponding device
01/03/2014WO2014000225A1 Soft bit un-uniform quantization method, apparatus, computer program and storage medium
01/03/2014WO2014000122A1 Automatic frequency control
01/03/2014WO2013126302A3 Mechanisms for the correction of i/q impairments, and measurement of transmitter impairments using offset local oscillators
01/03/2014WO2013104992A3 Information bit padding schemes for wlan
01/03/2014CA2877915A1 Modulation and equalization in an orthonormal time-frequency shifting communications system
01/03/2014CA2877762A1 Method, system and apparatus for audio communication modulation mode self-adaption, and electronic signature token
01/02/2014US20140003556 Method and Apparatus for Detecting the Presence of a Signal in a Frequency Band Using Non-Uniform Sampling
01/02/2014US20140003551 System and method for chip system timing compensation
01/02/2014US20140003550 Duty cycle compensation of ram transmitters
01/02/2014US20140003548 NFC Device with PLL Controlled Active Load Modulation
01/02/2014US20140003547 Orthogonal signal demodulation
01/02/2014US20140003546 Adaptive slicer and constellations for qam communications
01/02/2014US20140003545 Signal processing under attenuated transmission conditions
01/02/2014US20140003542 Device, system and method of clock distribution
01/02/2014US20140003485 On-the-fly compensation of sampling frequency and phase offset in receiver performing ultra-high-speed wireless communication
01/02/2014US20140003482 Receiver circuit
01/02/2014US20140003477 Interleaved signaling
01/02/2014US20140003474 Zero correlation zone sequences for communication system
01/02/2014US20140003472 Digital frequency demodulator with low power consumption and related system and method
01/02/2014US20140003469 Transmit processing using receiver functions
01/02/2014US20140003330 Systems and methods for communication of supported modulation coding schemes
01/01/2014EP2680523A1 A resource allocation method and a method for transmitting/receiving resource allocation information in mobile communication system
01/01/2014EP2680522A1 Concept for energy efficient reception of payload information in a communication system
01/01/2014EP2680519A1 Pre-equalizer for a digitally modulated RF signal and method
01/01/2014EP2680449A2 Hybrid orthogonal frequency division multiple access system and method
01/01/2014EP2678987A1 Reporting leakage between component carriers due to iq imbalance multi- carrier wireless communication systems
01/01/2014EP2678986A1 Operation of user equipment when control and data information are supplied by different radio units
01/01/2014EP2678985A1 Preventing dropped calls using voice services over adaptive multi-user channels on one slot (vamos) mode
01/01/2014EP2678967A2 System and method for single carrier optimization for evolved multimedia broadcast multicast service
01/01/2014CN203377904U Short-wave channel modulation and demodulation module based on OMAP (Open Multimedia Applications Platform) chip and Ethernet bus
01/01/2014CN103493454A Method and apparatus for implementing high-order modulation schemes using low-order modulators
01/01/2014CN103493453A Methods and systems for communicating
01/01/2014CN103493452A System and method of channel control in a wireless communication system
01/01/2014CN103493451A Method and arrangement in a wireless communication system
01/01/2014CN103493450A Transmission method, transmitter, reception method, and receiver
01/01/2014CN103493421A System and method for single carrier optimization for evolved multimedia broadcast multicast service
01/01/2014CN103493380A Reception device, transmission device, and wireless communications method
01/01/2014CN103491607A Design method for TD-LTE digital trunk time-division switch
01/01/2014CN103491051A Data transmitting method and device
01/01/2014CN103491050A Efficient demapping of constellations
01/01/2014CN103491049A Channel estimation method based on decision feedback in OFDM system
01/01/2014CN103491048A Method for achieving high-speed broadcast in broadband power line carrier communication
01/01/2014CN103491047A Transmitting end, receiving end, and single carrier system and multi-carrier system coexisting method
01/01/2014CN103491046A Method for processing Doppler expansion of underwater sound high-speed OFDM communication
01/01/2014CN103491045A Multi-carrier peak clipping processing method and device
01/01/2014CN103491044A Acquisition in frequency division multiple access system
01/01/2014CN103491043A Apparatus and method for detecting spectrum inversion
01/01/2014CN103491042A Control channel transmission method and device and base station equipment
01/01/2014CN103491041A Synchronization method, base station and terminal
01/01/2014CN103491036A Apparatus and method for wireless baseband processing
01/01/2014CN103491031A Time domain CIR estimation circuit and estimation method
01/01/2014CN103490850A Frame Structure for Adaptive Data Communications over a Plastic Optical Fibre
01/01/2014CN103490832A Wireless monitoring data transmission method and system based on GSM exclave companding system
01/01/2014CN103490825A Multi-light-source OFDM emitting method and emitter used for visible light communications
01/01/2014CN103490824A Reference signal recovery method for EVM analysis
01/01/2014CN103490806A Systems and methods for sc-fdma transmission diversity
01/01/2014CN103490740A Automatic gain control device and method thereof
01/01/2014CN102347868B Relative time delay measurement method for broadband orthogonal frequency division multiplexing (OFDM) system
01/01/2014CN102325121B Orthogonal frequency division multiple access system and method for wireless relay communication
01/01/2014CN102265545B OFDMA based medium access control and frame structure design for industrial applications
01/01/2014CN102255832B Frame detection method for orthogonal frequency division multiplexing ultra-wideband system
01/01/2014CN102208919B Fast frequency hopping with a code division multiplexed pilot in an OFDMA system
01/01/2014CN102185814B Method for automatically compensating bias voltage of QPSK (quadri phase shift keying) lithium niobate modulator
01/01/2014CN102185811B Carrier frequency estimation method
01/01/2014CN102118336B Device for generating optical differential phase shift keying codes for time division multiplex (TDM)
01/01/2014CN102098075B Joint detection method and device
01/01/2014CN102075460B Frequency offset estimating method and device based on data
01/01/2014CN102025668B High-speed method and device thereof for modulating multi-system light with minimum-frequency by shift keying
01/01/2014CN101969453B Narrowband data communication system and wireless narrowband data communication method
01/01/2014CN101946478B Apparatus and method for estimating i/q unbalance parameters in OFDM receiver
01/01/2014CN101877688B Diversity transmission method and device of OFDM (Orthogonal Frequency Division Multiplexing) system
01/01/2014CN101848420B Collocation method and device of backhaul link in long term evolution system
01/01/2014CN101848017B Method for configuring channel measurement pilot frequency based on special resources of LTE-A (Long-Term Evolution Advanced) users
01/01/2014CN101834821B Frame relay transmission method and system
01/01/2014CN101808411B Method and device for mapping resources of control channel in communication system
01/01/2014CN101808063B Method and device for controlling phase delay bias point of modulator
01/01/2014CN101778068B Frequency domain position-confirming method and device of positioning reference signal
01/01/2014CN101729124B Access method, terminal and base station of orthogonal frequency division multiplexing (OFDM) system
01/01/2014CN101682445B System and method for scheduling and transferring data through a transmission system
01/01/2014CN101667856B Information indicating method of multi-carrier system, base station and terminal
01/01/2014CN101626286B Retransmission modulation transmitting and receiving methods and communication system
01/01/2014CN101599945B New frame and signalling pattern structure for multi-carrier systems
01/01/2014CN101282128B Method for reinforcing predecessor of broadband radio communication system
01/01/2014CN101115047B OFDM receiving and dispatching system for high speed mobile environment
12/2013
12/31/2013US8619941 Method for transmitting sounding reference signal in multiple antenna wireless communication system and apparatus therefor
12/31/2013US8619940 Method for transmitting sounding reference signal in multiple antenna wireless communication system and apparatus therefor
12/31/2013US8619927 System and method for discrete gain control in hybrid MIMO/RF beamforming
12/31/2013US8619925 Automatic gain control circuit and receiver circuit
12/31/2013US8619924 Circuit, use, and method for controlling a receiver circuit
12/31/2013US8619922 Method and apparatus for acquisition and tracking of orthogonal frequency division multiplexing symbol timing, carrier frequency offset and phase noise
12/31/2013US8619921 Channel estimation apparatus, channel estimation method and program
12/31/2013US8619920 Two-dimensional code spreading for interleaved FDMA system
12/31/2013US8619919 Selective coherent and non-coherent demodulation methods and apparatuses
12/31/2013US8619918 Sparse channel estimation for MIMO OFDM systems
1 ... 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 ... 898