Patents for H04L 27 - Modulated-carrier systems (89,721)
11/2009
11/11/2009CN100559785C Receiving symbolic synchronous method for WiMAX system
11/11/2009CN100559784C Apparatus and method for estimating start of frame
11/11/2009CN100559783C Wireless RF transmitter and controller
11/11/2009CN100559766C Method and system for asymmetric dual-mode radio communications
11/11/2009CN100559748C Radio packet communication method
11/11/2009CN100559744C 无线电发送设备 Radio transmitting equipment
11/11/2009CN100559708C Adaptive equalizer system for short burst modems and link hopping radio networks
11/10/2009US7616935 Method and apparatus for matching receiver carrier frequency
11/10/2009US7616720 Multirate digital transceiver
11/10/2009US7616718 Wireless receiver apparatus
11/10/2009US7616716 Synchronisation in a receiver
11/10/2009US7616715 Method and system for estimating the speed of a mobile device in a network
11/10/2009US7616713 System and method for forward and backward recursive computation
11/10/2009US7616712 Systems and methods for detecting discontinuous transmission (DTX) using cyclic redundancy check results to modify preliminary DTX classification
11/10/2009US7616711 Frequency domain filtering to improve channel estimation in multicarrier systems
11/10/2009US7616710 Frequency offset estimating method and receiver employing the same
11/10/2009US7616709 Differential decoder followed by non-linear compensator
11/10/2009US7616708 Clock recovery circuit
11/10/2009US7616706 Repetition coding in a satellite-based communications system
11/10/2009US7616705 Monolithic GPS RF front end integrated circuit
11/10/2009US7616704 Broadband multicarrier transmitter with subchannel frequency diversity for transmitting a plurality of spatial streams
11/10/2009US7616703 Differential multiple-norm transmit diversity with forward error correction and related diversity reception
11/10/2009US7616702 Transmission circuit and communication apparatus comprising the same
11/10/2009US7616701 Zero excess bandwidth modulation
11/10/2009US7616696 System and method to increase sector throughput in a multi-carrier operation
11/10/2009US7616680 Method for processing data in a spread spectrum system
11/10/2009US7616677 Downlink power control with limit to dynamic range using detection of downlink transmit power
11/10/2009US7616676 Method and system for performing distance measuring and direction finding using ultrawide bandwidth transmissions
11/10/2009US7616557 Method and apparatus for canceling intercarrier interference through conjugate transmission for multicarrier communication systems
11/10/2009US7616556 Wireless multicarrier system with subcarriers reserved for communication between unsynchronized nodes
11/10/2009US7616553 Apparatus and method for clock synchronization in a multi-point OFDM/DMT digital communications system
11/10/2009CA2652602C Communication system
11/10/2009CA2405481C Enhanced slice prediction feedback
11/07/2009CA2665585A1 Method and system for adaptive orthogonal frequency division multiplexing using precoded cyclic prefix
11/05/2009WO2009134649A1 Tetra dmo range extension
11/05/2009WO2009134180A1 Methods and arrangements for downlink multi-carrier power control in a wireless communications system
11/05/2009WO2009134177A1 Joint estimation of mimo channels and noise correlation for wireless systems with multiple receive antennas
11/05/2009WO2009134103A2 System information transmission method and subframe structure
11/05/2009WO2009134022A1 Method for acquiring multi-cell specific message in wireless communication system
11/05/2009WO2009134008A1 Device and method for transmiting and receiving synchronization channel
11/05/2009WO2009133916A1 Radio communication system, radio communication device, and radio communication method
11/05/2009WO2009133491A1 Method for signalling resources to a radio station and radio station therefor
11/05/2009WO2009133421A1 Method and apparatus for providing power saving using superframes
11/05/2009WO2009133231A1 Communication method and a radio system
11/05/2009WO2009132580A1 Method and device for realizing timing advance in uplink transmission
11/05/2009WO2009132502A1 Preamble code configuration method and cell search method
11/05/2009WO2009112560A3 Diversity reception
11/05/2009WO2009098565A3 Frequency dependent phase rotation prior to mapping in an ofdm transmitter
11/05/2009WO2009093868A3 Method for establishing time domain structure of a frame in a heterogeneous tdd systems environment
11/05/2009WO2008093952A3 Antenna switching method and method for transmitting and receiving signals for the same
11/05/2009US20090275359 Polar Modulator and Method for Generating a Polar-Modulated Signal
11/05/2009US20090275356 Method of Controlling Interference
11/05/2009US20090274250 Method and apparatus for estimating carrier frequency offset
11/05/2009US20090274249 Radio-frequency receiver and integrated circuit employed for the receiver
11/05/2009US20090274248 Method and apparatus for contention-free interleaving using a single memory
11/05/2009US20090274246 Apparatus and method for phase recovery using independently decodable component codes of channel code in wireless communication system
11/05/2009US20090274245 Apparatus and methods having majority bit detection
11/05/2009US20090274244 Digital delay element for delay mismatch cancellation in wireless polar transmitters
11/05/2009US20090274243 Peak to average power ratio reduction
11/05/2009US20090274242 Digital broadcast transmitter and receiver and method for processing stream thereof
11/05/2009US20090274241 Data Transmission Device and Related Method
11/05/2009US20090274240 Communication system
11/05/2009US20090274238 Modulating apparatus, mobile communication system, modulating method, and communication method
11/05/2009US20090274235 Data transmission method using dirty paper coding in mimo system
11/05/2009US20090274233 Method and system for phase tracking in wireless communication systems
11/05/2009US20090274230 Progressive Feedback For High Resolution Limited Feedback Wireless Communication
11/05/2009US20090274228 Communication Apparatus
11/05/2009US20090274226 Sounding channel based feedback in a wireless communication system
11/05/2009US20090274225 Multi-resolution precoding codebook
11/05/2009US20090274224 Method and apparatus for configuring channel quality feedback in an orthogonal frequency division multiplexing communication system
11/05/2009US20090274223 Orthogonal frequency division multiplexing receiver
11/05/2009US20090274222 System and Method for Initial Ranging in Wireless Communication Systems
11/05/2009US20090274221 Method, hardware product, and computer program product for performing high data rate wireless transmission
11/05/2009US20090274218 Method and System for Transmitting or Receiving N-Bit Video Data over a Serial Link
11/05/2009US20090274203 Measuring Method and Device for Evaluating an OFDM-Multi-Antenna Transmitter
11/05/2009US20090274200 System and Method for Time Domain Interpolation of Signals for Channel Estimation
11/05/2009US20090274174 Method of generating pilot pattern for adaptive channel estimation in ofdma systems, method of transmitting/receiving using the pilot pattern and apparatus thereof
11/05/2009US20090274133 Communication apparatus, control method, and storage medium thereof
11/05/2009US20090274109 Method and apparatus for uplink ack/nack resource allocation
11/05/2009US20090274096 Method of network entry in OFDM multi-carrier wireless communications systems
11/05/2009US20090274076 Sounding Reference Signal User Equipment Specific Sub-Frame Configuration
11/05/2009US20090274061 Computer readable storage media for wireless ofdm communication
11/05/2009US20090274059 Method and system for switching antenna and channel assignments in broadband wireless networks
11/05/2009US20090274037 Method for mapping physical hybrid automatic repeat request indicator channel
11/05/2009DE102008021876A1 Polarmodulator und Verfahren zum Erzeugen eines Polar modulierten Signals Polar modulator and method for producing a polar-modulated signal
11/05/2009DE10155562B4 Vorrichtung zur Signalweiterleitung Apparatus for signal transduction
11/05/2009CA2723106A1 Communication method and a radio system
11/04/2009EP2114045A1 Cancelling out of the imperfections of a modulator
11/04/2009EP2114044A2 Apparatus and method for reducing the peak to average power ration of a preamble signal
11/04/2009EP2114031A2 OFDMA contention-based random access channel design for mobile wireless systems
11/04/2009EP2113757A1 Method for simultaneous read-out of a plurality of sensor output signals using baseband feedback
11/04/2009EP1364456B1 Amplification systems and methods using fixed and modulated power supply voltages and buck-boost control
11/04/2009CN201341159Y Frequency drift compensation arrangement in MSK differential detection demodulator circuit
11/04/2009CN101572588A Transmitting apparatus with bit arrangement method
11/03/2009US7613987 Method for wireless data transmission
11/03/2009US7613985 Hierarchical trellis coded modulation
11/03/2009US7613256 Forward error correction in a distribution system
11/03/2009US7613255 Method for estimating communication conditions affecting an UWB wireless link
11/03/2009US7613253 Noise balanced QAM detection
11/03/2009US7613252 Installation of digital data receivers