Patents for H04L 27 - Modulated-carrier systems (89,721)
11/2011
11/24/2011CA2799574A1 Time dependent equalization of frequency domain spread orthogonal frequency division multiplexing using decision feedback equalization
11/23/2011EP2388967A2 Apparatus for transmitting and receiving a signal and method for transmitting and receiving a signal.
11/23/2011EP2388943A2 Error correction method for transmitting and receiving a signal and apparatus thereof
11/23/2011EP2388942A2 Error correction method for transmitting and receiving a signal and apparatus thereof
11/23/2011EP2388941A2 Method and apparatus for transmitting encoded control information in a wireless communication system
11/23/2011EP2388939A2 Radio transmitting apparatus, radio receiving apparatus, and method therefor
11/23/2011EP2388938A2 Radio transmitting apparatus, radio receiving apparatus, and method therefor
11/23/2011EP2388936A2 Apparatus for transmitting and receiving a signal and method of transmitting and receiving a signal.
11/23/2011EP2388924A1 Methods and apparatus for resource allocation by a transmitter in a communication system
11/23/2011EP2388613A1 Mode 5 detection process using phase and amplitude correlation
11/23/2011EP2387842A1 Ofdm time basis matching with pre-fft cyclic shift
11/23/2011EP2387841A2 Systems and methods for improved digital rf transport in distributed antenna systems
11/23/2011EP2387840A2 Interpolated channel estimation for mobile ofdm systems
11/23/2011EP2387833A2 Method and apparatus for transmitting overload indicator over the air
11/23/2011EP2291969B1 Signalling resource allocation in a telecommunications network
11/23/2011EP2100402B1 Apparatus, methods and computer program products providing limited use of zadoff-chu sequences in pilot or preamble signals
11/23/2011EP2055061B1 Replica linearized power amplifier
11/23/2011EP1901512B1 Multicarrier transmission system with low power sleep mode and rapid-on-capability
11/23/2011EP1754313B1 A transmitter and receiver for ultra-wideband ofdm signals employing a low-complexity cdma layer for bandwidth expansion
11/23/2011EP1667447B1 Data conversion system
11/23/2011CN1998209B Method of signalling, a communication system and a communication equipment
11/23/2011CN1992689B Method for improving inter-carrier interference of OFDM system
11/23/2011CN1845542B Signal processing method and system
11/23/2011CN102257832A Apparatus for transmitting and receiving a signal and method of transmitting and receiving a signal
11/23/2011CN102257782A Handling discontinuous transmission indication bits
11/23/2011CN102257781A A telecommunications method and system
11/23/2011CN102257780A Methods and systems for programmable digital up-conversion
11/23/2011CN102257755A Cooperative communication methods and devices
11/23/2011CN102257739A Transmission system and test apparatus
11/23/2011CN102256360A Knapsack problem-based resource allocation method in cognitive radio system
11/23/2011CN102256347A Synchronization method and device for flexible subcarrier OFDM (Frequency Division Multiplexing) system
11/23/2011CN102256301A User selection method for simultaneously meeting unicast and multicast services
11/23/2011CN102255865A Frame head sequence based channel estimating method for orthogonal frequency division multiplexing ultra-wideband system
11/23/2011CN102255864A Low-complexity general sampling recovery method and device
11/23/2011CN102255863A Anti-noise digital mobile broadcast signal transmitting method
11/23/2011CN102255862A Method for transmitting digital mobile broadcast signal
11/23/2011CN102255861A Robust digital mobile broadcast signal transmitting method
11/23/2011CN102255860A Anti-interference digital mobile broadcasting signal transmission method
11/23/2011CN102255859A Anti-fading digital mobile broadcast signal transmission method
11/23/2011CN102255858A Multimedia broadcast single-frequency robust mobile signal framing modulation method
11/23/2011CN102255857A Multimedia broadcast single-frequency network anti-fading mobile signal framing modulation method
11/23/2011CN102255856A Method for transmitting radio digital broadcasting signal
11/23/2011CN102255855A Anti-noise method for transmitting wireless digital broadcast signal
11/23/2011CN102255854A Anti-interference method for transmitting wireless digital broadcast signal
11/23/2011CN102255853A Robust method for transmitting wireless digital broadcast signal
11/23/2011CN102255852A Anti-fading wireless digital broadcast signal transmitting method
11/23/2011CN102255851A Anti-fading wireless signal framing modulation method of multimedia broadcasting single frequency network
11/23/2011CN102255850A Wireless multimedia broadcast signal framing modulation method for single frequency network
11/23/2011CN102255849A Robust method for framing and modulating wireless multimedia broadcast signal
11/23/2011CN102255848A Method for framing modulation of anti-noise wireless multimedia broadcast signals of single-frequency network
11/23/2011CN102255847A Low-complexity method for offset correction of carrier frequency
11/23/2011CN102255846A Wireless base station and wireless communication method
11/23/2011CN102255845A Pilot frequency transmission and channel estimation method for bidirectional orthogonal frequency division multiplexing (OFDM) system
11/23/2011CN102255844A Signal peak-to-average ratio reduction method for orthogonal frequency division multiplexing (OFDM) system
11/23/2011CN102255843A Method for realizing synchronization of orthogonal frequency division multiplexing (OFDM) digital seismograph by utilizing complementary sequences
11/23/2011CN102255842A Receiver with baseband processing module for realizing location function by using broadcasting location signal
11/23/2011CN102255841A Methods and apparatuses for resource mappings of broadcast control channel and data channel
11/23/2011CN102255840A Demodulation method and device
11/23/2011CN102255839A Channel estimation method and device applied to China mobile multimedia broadcasting (CMMB) system
11/23/2011CN102255838A Fast Fourier processing method used by SC-FDMA
11/23/2011CN102255836A Blind signal to noise ratio estimation method based on multiple input multiple output (MIMO)-orthogonal frequency division multiplexing (OFDM) signal cyclostationarity
11/23/2011CN102255833A Analysis method and apparatus for uplink broadband interference
11/23/2011CN102255832A Frame detection method for orthogonal frequency division multiplexing ultra-wideband system
11/23/2011CN102255831A GSM (Global System for Mobile Communications)/EDGE (Enhanced Data Rate for GSM Evolution) synchronous despiralization method and device with low cost
11/23/2011CN102255722A Method for synchronizing and transmitting information in improved communication system
11/23/2011CN102255718A Data transmission method and device for carrier aggregation system
11/23/2011CN102255700A Anti-noise wireless signal framing modulation method of multimedia broadcasting single frequency network
11/23/2011CN102255699A Method for framing and modulating anti-fading wireless multimedia broadcast signals
11/23/2011CN102255698A Anti-fading framing modulating method for multimedia broadcast radio signal
11/23/2011CN102255688A LTEPDCCH (Long Term Evolution System Physical Downlink Control Channel) blind inspection control method and device
11/23/2011CN102255667A Method and device for dispersion compensation
11/23/2011CN102255662A Radio over fibre system
11/23/2011CN102255622A Signal selecting device and method
11/23/2011CN102251770A Wireless transmission method for gas drilling underground information while drilling
11/23/2011CN101827064B Modulation device, modulation method, demodulation device, and demodulation method
11/23/2011CN101552762B A method and device to detect the length type of cyclic prefix and auxiliary synchronous signals
11/23/2011CN101431501B Modulation method for high-performance digital television ground broadcasting transmitter
11/23/2011CN101409574B Channel estimation method, apparatus and receiver for TD-SCDMA system
11/23/2011CN101283516B Wireless communications device including a joint space-time optimum filter (ISTOF) using cholesky and eigenvalue decompositions
11/23/2011CN101283514B Joint space-time optimum filters (ISTOF) for interference cancellation
11/23/2011CN101283512B Joint space-time optimum filter (ISTOF) using QR and eigenvalue decompositions
11/23/2011CN101208924B Method and apparatus for reducing the interferences between a wide band device and a narrow band interferer
11/23/2011CN101163127B Modulation circuit having DC offset level control circuit
11/23/2011CN101052028B Demodulating method and device
11/22/2011US8064897 Transmitting/receiving apparatus and transmitting/receiving method
11/22/2011US8064853 Method and system for reduction of peak-to-average power ratio of transmission signals comprising overlapping waveforms
11/22/2011US8064560 Systems and methods for detecting a signal across multiple Nyquist bands
11/22/2011US8064559 Clock control of transmission-signal processing devices in mobile radio terminal devices
11/22/2011US8064557 Programmable synchronization unit for a signal receiver
11/22/2011US8064554 Radio communication system performing multi-carrier transmission, reception device, reception method, transmission device, transmission method, delay time calculation device, and delay time calculation method
11/22/2011US8064553 Coarse frequency offset estimation in ISDB receivers
11/22/2011US8064551 Determining burst transmission signals
11/22/2011US8064550 Quadrature imbalance estimation using unbiased training sequences
11/22/2011US8064549 Joint demodulation using a Viterbi equalizer having an adaptive total number of states
11/22/2011US8064548 Adaptive MaxLogMAP-type receiver structures
11/22/2011US8064547 Receiving apparatus and method
11/22/2011US8064546 Random access preamble detection for long term evolution wireless networks
11/22/2011US8064544 Method and device for receiving OPFDM-DQPSK signal
11/22/2011US8064543 Channel equalizer and method of processing television signal in DTV receiving system
11/22/2011US8064542 Systems and methods for I/Q imbalance correction and calibration of variable modulus signals