Patents for H04L 27 - Modulated-carrier systems (89,721)
09/2012
09/25/2012US8275064 Enhanced MIMO detection method and apparatus
09/25/2012US8275059 Frequency synchronization apparatus and method in OFDM system
09/25/2012US8275058 Wireless communications apparatus
09/25/2012US8275055 Receiver for differentially modulated multicarrier signals
09/25/2012US8275053 Apparatus and method of estimating channel based on channel delay spread in mobile communication system
09/25/2012US8275052 FFT carrier frequency offset estimation for OFDM signal
09/25/2012US8275027 Multi-mode transmitter
09/25/2012US8274931 Signalling within a communication system
09/25/2012US8274885 System and method for data distribution in VHF/UHF bands
09/25/2012CA2745847C A multimode multicarrier modem system and method of communication over the same
09/21/2012CA2768080A1 Apparatus for insertion of local signals into a catv output
09/20/2012WO2012125017A1 A method for estimating rssi and cinr at a mobile station in ofdma/ofdm based systems
09/20/2012WO2012124917A2 Method for receiving downlink signal and method for transmitting same, and device for receiving same and device for transmitting same
09/20/2012WO2012124586A1 Quadrature demodulator
09/20/2012WO2012123528A1 Signal processing method
09/20/2012WO2012122668A1 Method and apparatus for primary synchronization signal detection
09/20/2012WO2012067448A3 Method and apparatus for transceiving a downlink control channel in a wireless communication system
09/20/2012WO2012067400A3 Method for a terminal to transmit data in a wireless communication system, and a device therefor
09/20/2012US20120236973 System and method for synchronizing digital bits in a data stream
09/20/2012US20120236972 Signal separating device and signal separating method
09/20/2012US20120236971 Systems and methods for wireless communication in sub gigahertz bands
09/20/2012US20120236970 System and Method for Signaling and Detecting in Wireless Communications Systems
09/20/2012US20120236969 Mimo receiver and method for receiving spatially-multiplexed ofdm signals
09/20/2012US20120236968 Enhanced lattice reduction systems and methods
09/20/2012US20120236967 Data modulation
09/20/2012US20120236966 Modulation method and radio communication system
09/20/2012US20120236965 Quadrature communications device with power combiner and related methods
09/20/2012US20120236964 System and method for reducing bit-error-rate in orthogonal frequency-division multiplexing
09/20/2012US20120236963 Amplifying unit, power amplifier and transmitter
09/20/2012US20120236962 Radio communication apparatus capable of switching modulation schemes
09/20/2012US20120236961 Apparatus and method for cyclic delay diversity in multiple-antenna wireless communication system
09/20/2012US20120236960 Quadrature communications device with i antennas and q antennas and related methods
09/20/2012US20120236959 Quadrature communications device with i antennas and q antennas and modulated power supply and related methods
09/20/2012US20120236958 Reduced power-consumption transmitters
09/20/2012US20120236957 Transmitting device and transmitting method
09/20/2012US20120236954 Wireless communication system and method with elliptically polarized radio frequency signals
09/20/2012US20120236953 Base Station
09/20/2012US20120236952 Polyphase sequences for wireless communications
09/20/2012US20120236951 Transmitter device, receiver device, and communication system
09/20/2012US20120236950 Information distribution system, information distribution apparatus, information communication terminal, and information distribution method
09/20/2012US20120236949 Conversion of multimedia data streams for use by connected devices
09/20/2012US20120236926 Frequency-domain adaptive feedback equalizer
09/20/2012US20120236925 Adaptation of delay line feedback equalizer
09/20/2012US20120236924 Spatial and Temporal Pre-Equalization
09/20/2012US20120236923 Method and Device for Compensating Frequency Response of a Filter Unit in Remote Radio Unit in Real Time
09/20/2012US20120236922 Digital broadcasting transmitter, digital broadcasting receiver, and method for composing and processing streams thereof
09/20/2012US20120236921 Method, Apparatus and Communication Unit
09/20/2012US20120236917 Periodic calibration for communication channels by drift tracking
09/20/2012US20120236916 Radio equipment controller, radio control method, radio station, and radio communication system
09/20/2012US20120236911 Mimo transmitter and method for transmitting ofdm symbols
09/20/2012DE10112773B4 Verfahren zur Frequenz- und Zeit-Synchronisation eines OFDM-Empfängers Method for frequency and time synchronization of an OFDM receiver
09/19/2012EP2501095A1 Quadrature communications device with power combiner and related methods
09/19/2012EP2501094A1 Quadrature communications device with I antennas and Q antennas and related methods
09/19/2012EP2501093A1 Quadrature communications device with I antennas and Q antennas and modulated power supply and related methods
09/19/2012EP2501092A1 System and method for mapping reference signal sequence in advanced long term evolution system
09/19/2012EP2501091A2 A quadrature modulation system
09/19/2012EP2501075A1 Subframe structure for the multiplexing of unicast and multicast services
09/19/2012EP2501063A1 Wireless communication system, communication device, communication method, and program
09/19/2012EP2499798A2 Multi-domain network coding
09/19/2012EP2499797A1 Channel estimation in a multi-user mimo-ofdm system in the presence of user terminal symbol-specific phase offsets
09/19/2012EP2499796A1 Method for transmitting pre-equalized digital data, and transmitting base implementing such a method
09/19/2012CN102687478A Synchronisation process in optical frequency division multiplexing transmission systems
09/19/2012CN102687476A System and method for controlling combined radio signals
09/19/2012CN102687475A Method for processing data in an optical network element and optical network element
09/19/2012CN102687437A Communication apparatus,control program for communication apparatus,and integrated circuit
09/19/2012CN102687435A Wireless communication system, communication device, communication method, and program
09/19/2012CN102685903A Resource distribution method based on partial channel information in orthogonal frequency division multiple access (OFDMA) system
09/19/2012CN102685898A Multi-carrier HSPA (high speed packet access) transmission method, system, base station and user equipment
09/19/2012CN102685890A Pilot frequency transmitting method and system
09/19/2012CN102685876A Time delay difference compensation method for multi-point cooperation orthogonal frequency division multiplexing (OFDM) system based on subband precoding
09/19/2012CN102685867A IC (integrated circuit) used for WTRU(wireless transmit receive unit) and network station
09/19/2012CN102685068A Systems and methods for doppler shift compensation in ofdma communications
09/19/2012CN102685067A Nonlinear rainfall attenuation channel multiple amplitude and phase shift keying (MAPSK) optimal modulation method
09/19/2012CN102685066A Carrier recovery method of short-time burst high-spread-spectrum communication receiving system in large-frequency deviation condition
09/19/2012CN102685065A Quick signal processing method of OOFDM (optical orthogonal frequency division multiplexing) transceiver
09/19/2012CN102685064A Method for tracking carrier frequency of multiband orthogonal frequency division multiplexing (OFDM) ultra wideband system
09/19/2012CN102685063A Receiving method and equipment of multi-carrier data
09/19/2012CN102685062A System used for data communications over digital wireless telecommunications networks
09/19/2012CN102685061A System used for data communications over digital wireless telecommunications networks
09/19/2012CN102685060A Multi-user multiple input multiple output (MIMO) receiving method and device for orthogonal frequency division multiplexing system
09/19/2012CN102685059A Signal receiving method and device
09/19/2012CN102685058A Interference-to-noise ratio evaluation method of blind single of orthogonal frequency division multiplexing (OFDM) system under pulse interference environment
09/19/2012CN102685057A Transmission apparatus and method, processor, OFDM transmission apparatus and method, and wireless communication system
09/19/2012CN102685056A Signal acquisition apparatus and method and signal transmission apparatus and method
09/19/2012CN102685055A Device and method for interpolating, extracting and multiplexing multiple data streams
09/19/2012CN102685054A OFDM (orthogonal frequency division multiplexing)-based broadband digitized signal and power-supply composite cable transmission system
09/19/2012CN102685053A Communication signal modulating and identifying method based on generalized S transformation
09/19/2012CN102685041A Pilot transmission and channel estimation for a communication system utilizing frequency division multiplexing
09/19/2012CN102685040A Adaptive time-filtering for channel estimation in OFDM system
09/19/2012CN102685039A Method for detecting standing-wave ratio
09/19/2012CN102684887A Modulator-demodulator with good heat radiating property
09/19/2012CN102684848A Data transmission method and system in cooperative relay network
09/19/2012CN102684828A Multidimensional constellations for coded transmission
09/19/2012CN102684819A Data transmission method, relative device and relative system
09/19/2012CN102684813A Method and system for transmitting relay forwards
09/19/2012CN102684738A Radio access scheme in CDMA-based communication system
09/19/2012CN102684643A Loop filter of phase shift keying demodulation circuits and phase shift keying demodulation circuit
09/19/2012CN101917377B Synchronization in multicarrier CDMA systems
09/19/2012CN101917317B Data transmitting and receiving devices and high-speed bus terminal interface component
09/19/2012CN101917247B Multiuser relay network information processing method based on QMA modulation