Patents for H04L 27 - Modulated-carrier systems (89,721)
08/2011
08/03/2011CN101106435B A method for common transfer of multiple pairs and transmission terminal and receiving terminal
08/03/2011CN101098222B Wireless communication system, wireless communication apparatus, and method of exchanging cryptography key between wireless communication apparatuses
08/03/2011CN101079859B Frequency domain dispatching method and device
08/02/2011US7992185 Receiver and receiving method and program
08/02/2011US7991091 Radio communication system, receiver, receiving method, transmitter, transmitting method, and device for and method of calculating delay times for multi-carrier transmission
08/02/2011US7991087 Automatic gain control with out of band blocking signal compensation
08/02/2011US7991086 System and method for improved carrier recovery
08/02/2011US7991085 Early energy measurement
08/02/2011US7991083 Method and system for detecting preambles in a multi-cell system
08/02/2011US7991081 Process and devices for transmitting digital signals over buses and computer program product therefore
08/02/2011US7991080 RFID decoding subsystem with decode module
08/02/2011US7991079 FFT numerology for an OFDM transmission system
08/02/2011US7991078 Signal processing apparatus, signal processing method, and program
08/02/2011US7991076 Complex signal scaling for phase and/or amplitude modulated signals
08/02/2011US7991075 Radio broadcasting method and transmitter using pre-filtering and corresponding signal
08/02/2011US7991071 AM to PM correction system for polar modulator
08/02/2011US7991070 Wavelength transmission system and method using 3-dimensional LDPC-coded modulation
08/02/2011US7991069 Method for adapting filter cut-off frequencies for the transmission of discrete multitone symbols
08/02/2011US7991064 Radio parameter group generating apparatus, transmitter and receiver
08/02/2011US7991063 Transmission symbols mapping for antenna diversity
08/02/2011US7991062 Apparatus and method for transmitting a sub-channel signal in a communication system using an orthogonal frequency division multiple access scheme
08/02/2011US7991059 Robust channel estimation for wireless systems
08/02/2011US7991058 OFDM reception device
08/02/2011US7991057 Apparatus and method for generating ranging pseudo noise code
08/02/2011US7991056 Method and system for encoding a signal for wireless communications
08/02/2011US7991044 System and method for automatic diagnosis of impairments in a digital quadrature amplitude modulated signal
08/02/2011US7991043 Hybrid polyphase and joint time-frequency detection
08/02/2011US7991013 Digital receiver for radio-frequency signals
08/02/2011US7991009 Preamble formats for MIMO wireless communications
08/02/2011US7990931 Methods and devices for selecting sets of available sub-channels
08/02/2011US7990844 Signaling method in an OFDM multiple access system
08/02/2011US7990843 Signaling method in an OFDM multiple access system
08/02/2011US7990841 Diversity transmission modes for MIMO OFDM communication systems
08/02/2011US7990839 Method for estimating time and frequency offset in an OFDM system
08/02/2011CA2729653A1 Digital load-sharing to enhance the redundancy and flexibility of channel distribution in a multiple-channel multiple-port catv upconverter/modulator
08/02/2011CA2729645A1 Multiple reduced-bandwidth processing paths to achieve a full and continuous output band for multiple-channel catv upconversion
08/02/2011CA2729395A1 Agile distortion and noise cancellation across multiple channels and ports in a catv upconverter/modulator
08/02/2011CA2450670C Multi-detection of heartbeat to reduce error probability
08/02/2011CA2408131C Transmitting/receiving apparatus and method for packet retransmission in a mobile communication system
07/2011
07/29/2011CA2729719A1 Method and apparatus for providing ivr system requested data
07/28/2011WO2011091405A2 Method and apparatus for spectral sensing
07/28/2011WO2011091239A1 Method and apparatus for power scaling for multi-carrier wireless terminals
07/28/2011WO2011089731A1 Apparatus for pseudo-return-to-zero modulation
07/28/2011WO2011089675A1 Angle modulator, transmission device, and wireless communication device
07/28/2011WO2011089184A1 Improved d.c. offset estimation
07/28/2011WO2011089056A1 Micro-sleep techniques in lte receivers
07/28/2011WO2011088948A1 Dvb-c2 generation and reception
07/28/2011WO2011088907A1 Multi-frequency band receiver
07/28/2011WO2011088792A1 Receiver, transmitter, feedback device, transceiver and signal processing method
07/28/2011WO2011088734A1 Offset modulation orthogonal frequency division multiplexing (ofdm) and multi-access transmission method with cyclic prefix (cp)
07/28/2011WO2011088501A1 Estimation of signal to noise ratio in receivers
07/28/2011US20110182573 All-Optical Balanced Detection System
07/28/2011US20110182388 Apparatus for rejecting image in receiver
07/28/2011US20110182387 Blind Mechanism for the Joint Estimation of Frequency Offset and Phase Offset for QAM Modulated Signals
07/28/2011US20110182386 Digital exciter having pilot signal compensation
07/28/2011US20110182385 Method and apparatus for reliability-aided pruning of blind decoding results
07/28/2011US20110182384 Reception circuit, information processing device, and buffer control method
07/28/2011US20110182383 Template-based Estimation of Frequency Spectra
07/28/2011US20110182382 Digital amplitude modulation
07/28/2011US20110182380 Ofdm generation apparatus in a multi-carrier data transmission system
07/28/2011US20110182379 Network coding method and system through consideration of channel state difference of receivers
07/28/2011US20110182378 Pilot pattern design for a sttd scheme in an ofdm system
07/28/2011US20110182376 Wireless communication system, base station device, mobile station device, and communication method
07/28/2011US20110182375 Method and apparatus for scheduling in multiple-input multiple-output communication system
07/28/2011US20110182374 Ofdm channel estimation system and method components
07/28/2011US20110182373 Polar modulator with signed amplitude reducing phase transitions
07/28/2011US20110182372 Digital broadcasting system and method for transmitting and receiving digital broadcast signal
07/28/2011US20110182371 Radio communication system, receiver, and transmitter
07/28/2011US20110182370 Method and apparatus for acknowledgment detection during preamble transmission
07/28/2011US20110182332 Method and apparatus for high speed data transmission modulation and demodulation
07/28/2011US20110182329 Device and method for distortion-robust decoding
07/28/2011US20110182170 Digital Modulation System Using Modified Orthogonal Codes To Reduce Autocorrelation
07/28/2011US20110181471 Adaptive antenna radio communication device
07/28/2011DE102004016937B4 Verfahren zum Bestimmen des Frequenz- und/oder Phasenversatzes bei unbekannten Symbolen A method for determining the frequency and / or phase offset for unknown symbols
07/28/2011DE10063399B4 Signalverarbeitungsschaltung und Signalverarbeitung Verfahren Signal processing circuitry and signal processing method
07/27/2011EP2348779A1 Bearing determination using signals transformed into frequency domain
07/27/2011EP2348685A2 Method and apparatus for reducing peak to average power ratio using peak windowing
07/27/2011EP2348684A1 DVB-C2 generation and reception
07/27/2011EP2348659A1 Wireless communication base station device and division number determination method
07/27/2011EP2348655A1 Wireless communication system and method of communicating wirelessly
07/27/2011EP2347620A2 Methods and systems using same base station carrier handoff for multicarrier support
07/27/2011EP2347539A1 Method and apparatus for increasing control channel capacity in geran
07/27/2011EP2347517A2 Transceiver having multistage channel filter in wireless communication system
07/27/2011EP1884036B1 Method and apparatus for controlling spurious transmissions in a communications system
07/27/2011EP1878185B1 Method for the coding of an OFDM/OQAM signal using symbols with complex values, and corresponding signal, devices and computer programs
07/27/2011EP1449297B1 Direct conversion receiver
07/27/2011EP1108318B1 A constrained-envelope digital-communications transmitter circuit and method therefor
07/27/2011CN1996987B Method for performing frequency selective control channel scheduling, a base station, a mobile terminal and a network therefor
07/27/2011CN1943152B Methods and apparatus for multi-carrier communication systems with adaptive transmission and feedback
07/27/2011CN1930844B Apparatus and method for transmitting a sub-channel signal in a communication system using an orthogonal frequency division multiple access scheme
07/27/2011CN1881968B Data transmission method for decreasing multipath delay interference
07/27/2011CN1874199B Optical transmission equipment and integrated circuit
07/27/2011CN1839566B Carrier management for a network
07/27/2011CN1806307B Multi-carrier communication device and method
07/27/2011CN102138289A Apparatus and method for transmitting and receiving fast feedback information in broadband wireless communication system
07/27/2011CN102137314A Signal transmission method, device and system in digital subscriber line system
07/27/2011CN102137057A Signal generation method and device
07/27/2011CN102137056A Method for detecting pseudo noise (PN) sequence phases
07/27/2011CN102137055A Method, device and system for reducing peak-to-average power ratio (PAPR) of orthogonal frequency division multiplexing (OFDM) system
07/27/2011CN102137054A Equipment, system and method for multiple-carrier signal transmission