Patents for H04L 27 - Modulated-carrier systems (89,721)
01/2011
01/26/2011CN101958737A Data processing method for downlink transmit diversity and base station
01/26/2011CN101958728A Method and device for realizing remote ranging detection
01/26/2011CN101404634B FSK demodulation method based on facsimile modulation/demodulation recommendation
01/26/2011CN101355538B System and method for modulating frequency domain of block transmission system based on filter set
01/26/2011CN101277290B Method and apparatus for synchronization of orthogonal frequency division multiplexing system frequency
01/26/2011CN101268709B Communication terminal device, base station device and method for receiving quality report
01/26/2011CN101267414B A flexible OFDM download communication system and its communication method
01/26/2011CN101171785B Individual interleaving of data streams for MIMO transmission
01/26/2011CN101044709B Multi-input multi-output OFDM transmitter and related methods for spatial interleaving a plurality of spatial streams
01/25/2011US7876867 Intermodulation distortion detection and mitigation
01/25/2011US7876864 Method and device for enhancing signal detection in a frequency selective fading channel
01/25/2011US7876862 Conditionally input saturated Viterbi detector
01/25/2011US7876861 Methods, apparatus, and systems for determining 1T state metric differences in an nT implementation of a viterbi decoder
01/25/2011US7876860 Enhancements of soft decoders and detectors on asymmetric channels
01/25/2011US7876857 Data receiving apparatus
01/25/2011US7876855 Phase modulation power spreading used to reduce RF or microwave transmitter output power spur levels
01/25/2011US7876854 High data rate closed loop MIMO scheme combining transmit diversity and data multiplexing
01/25/2011US7876852 Modulator device for generating an optical transfer signal modulated by binary signal
01/25/2011US7876845 Wireless communications systems and/or methods providing low interference, high privacy and/or cognitive flexibility
01/25/2011US7876844 Apparatus and method for determining positions of pilot sub-carriers in an OFDM symbol
01/25/2011US7876843 Method for data transmission and communication system
01/25/2011US7876841 Method for scheduling of user terminals to subcarriers in a multi-cell or multi-sector network using FDM transmission, a base station, a user terminal and a network therefor
01/25/2011US7876840 Wireless communication methods, systems, and signal structures
01/25/2011US7876838 Low complexity multi-channel modulation method and apparatus
01/25/2011US7876836 Precision timing pulse width communications
01/25/2011US7876726 Adaptive allocation of communications link channels to I- or Q-subchannel
01/25/2011US7876170 Frequency modulator, frequency modulating method, and wireless circuit
01/25/2011US7876149 Harmonic quadrature demodulation apparatus and method thereof
01/25/2011CA2524819C Spectrally phase encoded optical code division multiple access system
01/25/2011CA2501107C Networked multimedia system
01/25/2011CA2470782C Framing structure for digital broadcasting and interactive services
01/20/2011WO2011009134A2 Track circuit communications
01/20/2011WO2011009128A1 Combined data and probe (cdp) frame
01/20/2011WO2011008776A1 Constructing very high throughput long training field sequences
01/20/2011WO2011008740A2 Constructing very high throughput short training field sequences
01/20/2011WO2011008057A2 Method and apparatus for transmitting reference signal in wireless communication system including relay station
01/20/2011WO2011007481A1 Amplitude modulator
01/20/2011WO2011007057A1 Reduction of the sensitivity of jitter demodulation of a sampling clock signal
01/20/2011WO2011006380A1 Transmitter and data transmission method
01/20/2011WO2010126259A3 Method for receiving control information in a wireless communication system, and apparatus for same
01/20/2011WO2010120092A3 Method for transmitting and receiving data in wireless communication system
01/20/2011WO2010117236A3 Method and apparatus for transmitting positioning reference signal in wireless communication system
01/20/2011WO2009157723A3 Method of transmitting signal and method of receiving signal
01/20/2011WO2008111787A3 Method for transmitting and receiving additional control signals
01/20/2011US20110013733 Variable gain control for high speed receivers
01/20/2011US20110013732 Receiver and method
01/20/2011US20110013731 Spectrum sensing for dmb-t systems using pn frame headers
01/20/2011US20110013730 Optimized Physical Broadcast Channel Reception
01/20/2011US20110013729 Signal processing apparatus, signal processing method, and reception system
01/20/2011US20110013727 Diversity Reception
01/20/2011US20110013726 Direct mm-wave m-ary quadrature amplitude modulation (qam) modulator operating in saturated power mode
01/20/2011US20110013724 I/q imbalance estimation and compensation for a transmitter and a receiver
01/20/2011US20110013723 Receiving Apparatus, Transmitting Apparatus, Reception Method, And Transmission Method
01/20/2011US20110013722 Method for Generating Training Sequences and Transmitter Using the Same
01/20/2011US20110013721 Method of generating preamble sequence
01/20/2011US20110013720 Method and apparatus for generating ranging preamble code in wireless communication system
01/20/2011US20110013719 Weighting factor reporting method in a mimo mobile communications system, and base station and user apparatus that are suitable for use in the method
01/20/2011US20110013718 Apparatus for transmitting and receiving a signal and method of transmitting and receiving a signal
01/20/2011US20110013717 Methods to index the preambles in the bandwidth request channel
01/20/2011US20110013716 Time-Frequency Space Constructions of Families of Signals
01/20/2011US20110013709 Cost and Resource Utilization Optimization in Multiple Data Source Transcoding
01/20/2011US20110013708 Signal Sequence Detection Techniques for OFDM/OFDMA Systems
01/20/2011US20110013707 Communication System
01/20/2011US20110013706 Method for transmitting signals in a radio communication system
01/20/2011US20110013687 Low complexity fine timing synchronization method and system for stimi
01/20/2011US20110013684 Channel estimates in a SIC receiver for a multi-transmitter array transmission scheme
01/20/2011US20110013683 Data communication method and apparatus
01/20/2011DE19933544B4 Demodulationsvorrichtung für Zeitmultiplex-Übertragungssysteme Demodulation means for time-division multiplex transmission systems
01/20/2011CA2768389A1 Track circuit communications
01/20/2011CA2768349A1 Method and apparatus for transmitting reference signal in wireless communication system including relay station
01/20/2011CA2768139A1 Constructing very high throughput long training field sequences
01/19/2011EP2276213A2 Receiver and method
01/19/2011EP2276212A2 Signal processing apparatus, signal processing method, and reception system
01/19/2011EP2276209A1 Method for determining the length of a header field
01/19/2011EP2276190A1 Method for receiving a signal and receiver
01/19/2011EP2276185A2 Method and Apparatus for Spread Spectrum Radio Signal Recovery in Wideband Spread Spectrum Communication Systems
01/19/2011EP2276178A1 Data transmission with interleaving through in-place addressing of RAM memory
01/19/2011EP2274886A2 Permuting slots to logical distributed resource units
01/19/2011EP2274864A1 Autocorrelation-based multi-band signal detection
01/19/2011EP2274862A2 Signaling message transmission in a wireless network by means of a selected subcarrier or an orthogonal sequence in the time-frequency plane
01/19/2011EP2274840A1 Optical ofdm transmission with improved efficiency
01/19/2011EP2274838A2 Systems and methods for doppler shift compensation in ofdma communications
01/19/2011EP2274836A1 Method for signalling resources to a radio station and radio station therefor
01/19/2011EP2274688A1 Device and method for performing fast fourier transform (fft) for orthogonal frequency division multiplexing (ofdm) demodulation
01/19/2011EP1476999B1 Method and apparatus for implementing adaptive tomlinson-harashima precoding in a digital data link
01/19/2011EP1322044B1 Method and apparatus for detecting spread spectrum signal spread code synchronization
01/19/2011CN201717964U Dvb-t接收器 Dvb-t Receiver
01/19/2011CN201717883U FSK uniform data receiving and transmitting device provided with RJ45 Ethernet network interface
01/19/2011CN201717882U FSK uniform data receiving and emitting device provided with USB interface
01/19/2011CN201717881U FSK uniform data receiving and transmitting device provided with UART interface
01/19/2011CN201717860U Device for frequency transmitting of high-speed and low-speed data with high frequency spectrum and power utilization
01/19/2011CN201716722U Wireless terminal device
01/19/2011CN1996980B Peak average ratio restraint method for expandable OFDM system
01/19/2011CN1961555B Method and apparatus for transmitting uplink fast feedback information in an ofdma communication system
01/19/2011CN1879373B Apparatus for determining a frequency offset error and receiver based thereon
01/19/2011CN1874207B Method and apparatus for the formatting of data for transmission
01/19/2011CN1773896B Information channel interleaving device and method adapted to adaptive modulating system
01/19/2011CN1716957B Method and device for wireless communication
01/19/2011CN1656764B Method and apparatus for reducing peak to average power ratio of a multi-carrier signal
01/19/2011CN1647476B Data-directed frequency-and-phase lock loop for decoding an offset-qam modulated signal having a pilot