Patents
Sitemap › H04 - Electric communication technique › H04L - Transmission of digital information, e.g. telegraphic communication › H04L 27 - Modulated-carrier systems
Patents for H04L 27 - Modulated-carrier systems (89,721)
07/2012
07/18/2012CN102594764A Method for restraining peak-to-average power ratio based on pulse regeneration, and intermediate frequency peak clipping module
07/18/2012CN102594763A Method and system for transmitting data based on Orthogonal Frequency Division Multiplexing (OFDM)
07/18/2012CN102594762A Frame synchronization method for burst mode OFDM system
07/18/2012CN102594761A Method for estimating noise power of orthogonal frequency division multiplexing (OFDM) signals
07/18/2012CN102594760A Lattice reduction architecture and method and detection system thereof
07/18/2012CN102594759A Enabling control method and device for CMMB (China Mobile Multimedia Broadcasting) system
07/18/2012CN102594758A Synchronous estimating device and synchronous estimating method for fine timing
07/18/2012CN102594757A Synchronous estimating device and synchronous estimating method for coarse timing and fine timing
07/18/2012CN102594756A Method and system for transmitting position reference signal subframe
07/18/2012CN102594755A Incoherent soft-output detection method based on continuous phase modulation
07/18/2012CN102594754A High-efficiency constant envelope offset wavelet-based quadrature phase shift keying (C-WQPSK) information modulation method
07/18/2012CN102594753A Digital-analog hybrid demodulator and demodulation method
07/18/2012CN102594752A FSK radio signal receiver and method for operating said receiver
07/18/2012CN102594751A 接收器 Receiver
07/18/2012CN102594750A Method for generating mid-band modulation signal
07/18/2012CN102594746A Power-efficient spectrum shaping for a magnetic link
07/18/2012CN102594745A Synchronization method for single carrier frequency domain equalization system and realization circuit thereof
07/18/2012CN102594742A Pilot frequency-based channel ridge assessment method for single carrier system
07/18/2012CN102594740A Method and device for estimating frequency offset
07/18/2012CN102594738A Method and device for estimating frequency offset
07/18/2012CN102594536A System for quickly identifying and recognizing state of network channel and identification method thereof
07/18/2012CN102594523A Retransmission method and transmitting device
07/18/2012CN102594522A Multi-antenna transmission system and method
07/18/2012CN102594516A Method and system for processing reference signal of channel state information
07/18/2012CN102594510A Method and device for multiplexing broadcast service channel and non-broadcast service channel
07/18/2012CN102594501A Methods for multi-carrier communication systems with automatic repeat request (ARQ)
07/18/2012CN102594488A Method and device for mapping from space stream to space-time stream and method and device for data transmission
07/18/2012CN102594486A Method and device for restraining inter-multi-user interface
07/18/2012CN102594471A Fractal box dimension and third-order cyclic cumulant-based spectrum sensing method
07/18/2012CN102594425A Minimum-distance pre-coding method suitable for double-flow data transmission
07/18/2012CN102594404A Demodulator circuit for carrier signal of power line and microcontroller
07/18/2012CN102594398A Energy detection receiver for UWB
07/18/2012CN102592432A Transmission system used for transmitting data telegraph via load lead
07/18/2012CN101938294B Same-frequency multi-cell channel estimation method, device and system
07/18/2012CN101919175B Broadband multicarrier transmitter with subchannel frequency diversity for transmitting a plurality of spatial streams
07/18/2012CN101917188B Self-recovery locking method of demodulator
07/18/2012CN101834827B Signal detection method and device in multiple-input multiple-output system
07/18/2012CN101764783B Method for eliminating inter-carrier interference in orthogonal frequency division multiplexing system
07/18/2012CN101730988B OFDM control signaling in the presence of timing asynchronization in a peer-to-peer network
07/18/2012CN101692665B Demodulation method and demodulator of orthogonal frequency division multiplexing-multiple-input-multiple-output (OFDM-MIMO) system
07/18/2012CN101686216B Fine symbol timing synchronization method and device for orthogonal frequency division multiplexing system
07/18/2012CN101677473B Processing method and device of half rate speech
07/18/2012CN101674271B Quadrature modulation system
07/18/2012CN101656699B Time synchronization device and time synchronization device method of receiver in OFDM system
07/18/2012CN101616103B Method for indicating mobile terminal to control channel information and method for controlling channel blind detection
07/18/2012CN101610230B Device and method for compensating signal imbalance
07/18/2012CN101584140B Method for controlling transmission of signal for measuring quality of base station, user terminal, and reception channel
07/18/2012CN101563900B Method for determining symbol synchronization information for OFDM signals and device thereof
07/18/2012CN101534271B Method for supporting high-speed mobility in wireless communication system
07/18/2012CN101516061B Method for transmitting multimedia broadcast multicast service in next generation communication system
07/18/2012CN101453437B Method for frequency offset estimation and automatic frequency control method and signal transceiver
07/18/2012CN101420402B Lead code sending method and cell searching method for OFDM system
07/18/2012CN101384072B Method for enhancing transmission rate of high speed downlink packet access service
07/18/2012CN101383641B A digital linc transmitter with non-linear element
07/18/2012CN101378584B Method for dynamically configuring CQI quantification gradation based on business
07/18/2012CN101374126B Method for restraining peak average power ratio of OFDM system
07/18/2012CN101374019B Method for reflecting system information through relative modulation phase sequence in frequency domain
07/18/2012CN101359916B Resolution method for Doppler VHF omni-directional beacon space modulation signal distortion
07/18/2012CN101299743B Decoding of symbols in a signal distributed according to frequential and temporal dimensions
07/18/2012CN101267244B Timing tracking method
07/18/2012CN101263698B Spectrum characterization for communication equipment
07/18/2012CN101237431B Method and device for estimating downlink channel in TD-SCDMA inter-frequency networking
07/18/2012CN101023644B Wireless communication apparatus and wireless communication method
07/18/2012CN101006649B Soft decision enhancement device and method for receiver
07/17/2012US8225168 Method and system for data transmission in a multiple input multiple output (MIMO) system
07/17/2012US8224387 Beamforming system and method
07/17/2012US8224275 Area reduction techniques for saw-less receivers
07/17/2012US8224273 Demodulator, diversity receiver, and demodulation method
07/17/2012US8223906 Interpolation IIR filter for OFDM baseband processing
07/17/2012US8223903 Method for error compensation in an OFDM system with diversity
07/17/2012US8223900 Receiver with mixed-mode automatic gain control
07/17/2012US8223899 Methods and apparatus for initial acquisition gain control in a communication system
07/17/2012US8223898 Method and system for down-converting an electromagnetic signal, and transforms for same
07/17/2012US8223897 Compact pulse shaping for QM-MSK and PAM/QAM reception
07/17/2012US8223896 Soft bit value generation in a sequence estimator
07/17/2012US8223895 Signal separating device and signal separating method
07/17/2012US8223894 Wireless reception apparatus and reception method therein
07/17/2012US8223893 Compensation for residual frequency offset, phase noise and sampling phase offset in wireless networks
07/17/2012US8223892 Data exchange between channels in a data acquisition system
07/17/2012US8223891 Method and system for a reference symbol (RS) frequency control loop for TCXO synchronization and tracking
07/17/2012US8223890 Asymptotically optimal modulation classification method for software defined radios
07/17/2012US8223889 Opportunistic radio frequency communications
07/17/2012US8223888 Method and receiving unit for the detection of data symbols
07/17/2012US8223887 Transmitter, receiver, and method of supporting space time block code scheme in single carrier system based on unique word
07/17/2012US8223886 Transmission circuit for bias control of power amplifier
07/17/2012US8223884 DTV transmitting system and method of processing DTV signal
07/17/2012US8223883 Transmission circuit, method for determining delay time used in the transmission circuit, and communication apparatus using the transmission circuit
07/17/2012US8223882 Joint constellation multiple access
07/17/2012US8223881 Transmitter and receiver for a wireless audio transmission system
07/17/2012US8223880 System and method for power line communication
07/17/2012US8223876 Apparatus for receiving signals in OFDM communication system having multiple antennas and method thereof
07/17/2012US8223871 Method and apparatus for transmit beamforming
07/17/2012US8223865 Method for the blind estimation of OFDM signal parameters by adapted filtering
07/17/2012US8223864 Method, device and system for detecting radio frequency interference
07/17/2012US8223862 OFDM inter-carrier interference cancellation method
07/17/2012US8223861 Joint carrier synchronization and channel equalization method for OFDM systems
07/17/2012US8223859 Method and apparatus for a multi-tone modem
07/17/2012US8223858 Time synchronization method and frequency offset estimation method using the same in OFDM network
07/17/2012US8223857 Method of communication using frame
07/17/2012US8223856 Radio communication system carrying out transmission and reception of multicarrier signal, transmission terminal, and reception terminal
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