Patents for H04L 27 - Modulated-carrier systems (89,721)
08/2009
08/05/2009EP2084872A1 Subblock-wise frequency domain equalizer
08/05/2009EP2084870A1 Channel estimation and equalization in ofdm receivers
08/05/2009EP2084835A1 Method for allocating pilots
08/05/2009EP1952529B1 Polar modulation apparatus and method using fm modulation
08/05/2009EP1836778B1 Spread spectrum signal
08/05/2009EP1734713B1 Method of transmitting/receiving OFDM signal and mobile communication terminal thereof
08/05/2009EP1382133B8 Spatial processing and timing estimation using a training sequence in a radio communications system
08/05/2009EP1299963B1 Ofdm antenna diversity receiver
08/05/2009CN101502071A Uwb transmission apparatus and uwb transmission method
08/05/2009CN101502070A Filter arrangement dependent on occupation of an adjacent band
08/05/2009CN101502069A Low peak-to-average power ratio transmission in frequency-division multiple access systems
08/05/2009CN101502068A Chip equalizer and equalizing method
08/05/2009CN101502034A Dynamic frequency allocation and modulation scheme for control information
08/05/2009CN101502018A Generation and detection of synchronization signals
08/05/2009CN101502010A Programmable transmitter architecture for non-constant and constant envelope modulation
08/05/2009CN101500179A Methods and devices for processing signals transmitted via communication system
08/05/2009CN101500099A Wireless communication receiver, wireless communication receiving method and television receiver
08/05/2009CN101500098A Transmission method and system for broadcast television signal
08/05/2009CN101499992A Decoding device and method, receiving device and method, and program
08/05/2009CN101499991A MIMO-OFDM system carrier frequency bias and sampling offset combined estimation method under IQ unbalance
08/05/2009CN101499990A Pilot sending method and apparatus based on MIMO
08/05/2009CN101499989A Method for detecting cyclic prefix length in time division duplex system
08/05/2009CN101499988A Wideband wireless mobile communication method, system and equipment
08/05/2009CN101499987A Low complexity general time frequency transformation implementing method and hardware implementing architecture
08/05/2009CN101499986A Base station and scheduling method used in base station
08/05/2009CN101499985A Scramble notification method and apparatus used in public control logic channel
08/05/2009CN101499982A Method and apparatus for estimating modulation accuracy of OFDM_TDD system
08/05/2009CN101499963A Method and apparatus for downlink transmission
08/05/2009CN100525277C Method and apparatus for anti-interference between codes in OFDM system
08/05/2009CN100525276C Peak-to-average power ratio optimizing process and apparatus
08/05/2009CN100525275C MIMO OFDM system and precoding and feedback method of it
08/05/2009CN100525274C Pilot designing method in system of uplink of DMA
08/05/2009CN100525273C Method and apparatus of cross-correlation
08/05/2009CN100525272C Ground mobile multimedia broadcast receiving and transmitting method and systme based on free DAB
08/05/2009CN100525271C Transmission device
08/05/2009CN100525268C An estimation method for OFDM channel based on time-frequency conversion
08/05/2009CN100525267C Channel estimating and balancing apparatus for time domain known array OFDM system and method thereof
08/05/2009CN100525167C System and method for peak power reduction in multiple carrier communications systems
08/05/2009CN100525145C Device and method for transferring control information in digital broadcast system
08/04/2009US7570953 Multicarrier communication system and methods for link adaptation using uniform bit loading and subcarrier puncturing
08/04/2009US7570921 Systems and methods for improving range for multicast wireless communication
08/04/2009US7570748 Control and monitoring telecommunication system and method of setting a modulation method
08/04/2009US7570722 Carrier frequency offset estimation for OFDM systems
08/04/2009US7570721 Apparatus and method for multi-phase digital sampling
08/04/2009US7570719 Receiver and a receiving method
08/04/2009US7570718 Device and method for wireless communication and computer program
08/04/2009US7570717 Apparatus and method for pilot-less carrier acquisition of vestigial sideband (VSB) signal
08/04/2009US7570716 Data carrier provided with at least two decoding stages
08/04/2009US7570713 System and method for anticipatory receiver switching based on signal quality estimation
08/04/2009US7570712 System and method for transmitting ultrawide bandwidth signals
08/04/2009US7570711 Quadrature LINC transmission method and apparatus
08/04/2009US7570706 Multi-frequency data transmission channel power allocation
08/04/2009US7570705 GMSK modulation using a dual-port memory
08/04/2009US7570704 Transmitter architecture for high-speed communications
08/04/2009US7570703 Method for transmitting a digitized message of little information depth
08/04/2009US7570702 Signal generation apparatus, systems, and methods
08/04/2009US7570697 Advanced MIMO interleaving
08/04/2009US7570696 Multiple input multiple output multicarrier communication system and methods with quantized beamforming feedback
08/04/2009US7570695 Method and adaptive bit interleaver for wideband systems using adaptive bit loading
08/04/2009US7570694 Backward compatible multi-carrier transmission system
08/04/2009US7570689 Advanced receiver with sliding window block linear equalizer
08/04/2009US7570626 Communication method, transmitting device using the same, and receiving device using the same
08/04/2009US7570555 Digital data demodulator
08/04/2009US7570189 Radio frequency data capture
08/04/2009US7570187 Technique for improving modulation performance of translational loop RF transmitters
08/04/2009CA2460295C Method and apparatus for digital vector qam modulator
07/2009
07/30/2009WO2009094087A1 Orthogonal frequency division multiple access with carrier sense
07/30/2009WO2009093944A1 Variation of up link resources in a cellular system
07/30/2009WO2009093943A1 A method to modify the frequency hopping scheme by extending the validity of the reference signals
07/30/2009WO2009093892A1 Arrangement for determining a characteristic form of an input signal
07/30/2009WO2009093868A2 Method for establishing time domain structure of a frame in a heterogeneous tdd systems environment
07/30/2009WO2009093810A1 Transmitter and method for subcarrier scaling in mobile station of ofdma
07/30/2009WO2009093808A1 Orthogonal frequency division multiplexing system and method for inter-cell interference cancellation of the orthogonal frequency division multiplexing system
07/30/2009WO2009093670A1 Radio transmission device, method for determining modulation system, and recording medium therefor
07/30/2009WO2009093579A1 Communication apparatus, communication system, control method and control program
07/30/2009WO2009093156A1 Method and apparatus to cancel additive sinusoidal disturbances in ofdm receivers
07/30/2009WO2009093147A1 Post-dtf/ fft time tracking algorithm for ofdm receivers
07/30/2009WO2009093094A1 A method for compensating signal distortion in an emitting payload
07/30/2009WO2009092963A1 Radiofrequency transmission system
07/30/2009WO2009092959A1 Radiofrequency emission system
07/30/2009WO2009092845A1 Mapping of network information between data link and physical layer
07/30/2009WO2009092336A1 Method and apparatus for transmitting information by using cyclic prefix time slots
07/30/2009WO2009092177A1 An apparatus and method for realizing automatic gain control in orthogonal frequency division multiple access system
07/30/2009WO2009092150A1 Peak-to-average power reduction method
07/30/2009WO2009075484A3 Method for physical control format indicator channel mapping
07/30/2009WO2009059946A3 Data transmission in a mobile communication system apparatus, system and method
07/30/2009WO2009056482A3 Signal processor for selectively performing spectral shaping
07/30/2009WO2009055636A3 Voice and data communication services using orthogonal sub-channels
07/30/2009WO2009036389A3 Capacity increasing devices and methods for wireless communication
07/30/2009WO2009015330A3 System and method for frequency diversity
07/30/2009WO2008069389A3 Fast uplink ranging system and method in mobile communication system
07/30/2009WO2008035840A3 Apparatus and method for fairly allocating resources in band amc mode of wideband wireless access system
07/30/2009WO2007133051A3 A method of implementing superposition coding for a forward link in a wireless commnication system
07/30/2009WO2007123340A3 Method and apparatus for inserting guard interval in a mobile communication system
07/30/2009WO2007120017A3 Method for resource allocation in harq
07/30/2009US20090193320 Apparatus, and associated method, for decoding convolutionally encoded data
07/30/2009US20090193309 Device and method for correcting a data error in communication path
07/30/2009US20090191835 Reverse link channel estimation using common and dedicated pilot channels
07/30/2009US20090190699 Gain control method and apparatus
07/30/2009US20090190698 Receiver, receiving method, and use of an in-phase signal and a quadrature-phase signal