Patents
Patents for H04J 11 - Orthogonal multiplex systems (25,498)
08/2007
08/22/2007CN101022444A Method and apparatus for channel state information generation in a DVD-t receiver
08/22/2007CN101022280A Orthogonal lower mixing frequency digital template matching pulse ultra wide band radio signal receiving method
08/21/2007US7260768 Communication device and communication method
08/21/2007US7260076 Method and device for transmitting data
08/21/2007US7260056 Channel estimation in a wireless communication system
08/21/2007US7260055 Method for reducing channel estimation error in an OFDM system
08/21/2007US7260054 SINR measurement method for OFDM communications systems
08/16/2007WO2007091677A1 Mobile communication system, mobile station device, base station device, and mobile communication method
08/16/2007WO2007091607A1 Transmission device and transmission method
08/16/2007WO2007091606A1 Channel transmission method and base station
08/16/2007WO2007091605A1 Mobile station and base station
08/16/2007WO2007091590A1 Single carrier transmission system, communication device, and single carrier transmission method used for them
08/16/2007WO2007091563A1 Ofdm demodulation device and method
08/16/2007WO2007091562A1 Demodulating device, method and program
08/16/2007WO2007091519A1 Transmission device and transmission method
08/16/2007WO2007091434A1 Ofdm transmitter and its control method
08/16/2007WO2007091320A1 Ofdm receiver apparatus and automatic frequency control method
08/16/2007WO2007090851A1 Multiple-access communication based on an impulse ultra wide band physical layer
08/16/2007WO2006054848A3 Apparatus and method for generating ranging pseudo noise code
08/16/2007US20070189320 Adaptive scheduling of voice traffic in a multi-carrier communication environment
08/16/2007US20070189199 Base station apparatus, mobile station apparatus, and data channel scheduling method
08/16/2007US20070189151 Method and apparatus for performing uplink transmission in a multiple-input multiple-output single carrier frequency division multiple access system
08/16/2007US20070189150 Signal receiving apparatus and method
08/16/2007US20070189149 OFDM radio communications system
08/16/2007US20070188218 Peak power suppressor and peak power suppressing method
08/15/2007EP1819085A1 Radio transmitting apparatus, radio receiving apparatus, radio transmitting method and radio receiving method
08/15/2007EP1819083A2 Orthogonal complex spreading method for multichannel and apparatus thereof
08/15/2007EP1819082A2 Orthogonal complex spreading method for multichannel and apparatus thereof
08/15/2007EP1819081A2 Orthogonal complex spreading method for multichannel and apparatus thereof
08/15/2007EP1819080A1 Wireless communication apparatus and wireless communication method
08/15/2007EP1819079A1 Interleave apparatus and interleave method
08/15/2007EP1818968A1 Wireless communication apparatus and data multiplexing method
08/15/2007EP1817856A1 Interference characterisation and removal
08/15/2007EP1275214B1 Decoding system and method for digital communications
08/15/2007EP1250784B1 Method for transmitting data to be transmitted using a subscriber modem
08/15/2007CN101019398A Method and system for generating switching timing signal for separating transmitting and receiving signal in optical repeater of mobile telecommunication network using TDD and OFDM modulation
08/15/2007CN101019361A Transmitting and receiving method, and radio apparatus utilizing the same
08/15/2007CN101019360A Automatic retransmission request control system and method in MIMO-OFDM system
08/15/2007CN101019358A Wireless communication apparatus and wireless communication method
08/15/2007CN101019340A Method for transmitting a digital data stream, transmitter, method for receiving a digital data stream and receiver
08/15/2007CN101018223A A transmission system and method of the mobile digital multimedia broadcast signals
08/14/2007US7257410 Method for configuring and allocating forward channel in orthogonal frequency division multiple access frequency division duplex system
08/14/2007US7257170 Channel norm-based ordering and whitened decoding for MIMO communication systems
08/14/2007US7257166 Data communication apparatus and method based on orthogonal frequency division multiple access
08/14/2007US7257165 Method and apparatus for preamble detection and time synchronization estimation in OFDM communication systems
08/14/2007US7257151 (Updated) preamble for FDMA
08/14/2007US7257128 Master-slave data transmission in orthogonal frequency-division multiplexing
08/14/2007US7257078 Multiple antenna OFDM transceiver and method for transceiving
08/14/2007US7257077 Procedure for the recognition of active code sequences
08/09/2007WO2007089180A1 Cyclic redundancy in ofdm systems
08/09/2007WO2007088752A1 Signal separating device, communication device and signal separating method
08/09/2007WO2007088723A1 Modulation parameter selecting method, modulation parameter selecting apparatus and communication apparatus
08/09/2007WO2007088583A1 Multicarrier communication apparatus and peak suppressing method therein
08/09/2007WO2007088580A1 Communication control method, receiving station apparatus, transmitting station apparatus, and communication system
08/09/2007WO2006054825A3 Apparatus and method for generating ranging pseudo noise code
08/09/2007US20070184801 Radio reception apparatus and radio reception method
08/09/2007US20070183527 Space-time transmit diversity systems and methods for ofdm applications
08/09/2007US20070183519 Method for channel estimation in orthogonal frequency division multiplexing system and device thereof
08/09/2007US20070183482 Cdma communication apparatus and cdma communication method
08/09/2007US20070183312 Apparatus and method for allocating radio frequency band resource in space division multiple access system
08/09/2007US20070183311 Flat-spectrum and spectrum-shaped waveforms for digital communications
08/09/2007US20070183310 Orthogonal frequency division multiplex transmission method
08/09/2007US20070183309 Orthogonal frequency division multiplex transmission method
08/09/2007US20070183308 OFDM Multiple Sub-Channel Communication System
08/09/2007US20070183307 Method and apparatus for initial acquisition and cell search for an OFDMA system
08/09/2007US20070183306 Method and apparatus for a synchronization channel in an OFDMA system
08/09/2007US20070183305 High-sensitivity detection of an anomaly in a quantized signal
08/09/2007US20070183304 Apparatus and method for digitally implementing a wideband multicarrier
08/09/2007US20070183303 Method and apparatus for specifying channel state information for multiple carriers
08/09/2007US20070183302 Interoperability verification for implementation according to communication standard
08/08/2007EP1816774A2 Orthogonal complex spreading method for multichannel and apparatus thereof
08/08/2007EP1816773A2 Orthogonal complex spreading method for multichannel and apparatus thereof
08/08/2007EP1816772A1 Transmission control frame generation device, transmission control frame processing device, transmission control frame generation method, and transmission control frame processing method
08/08/2007EP1816666A1 Communication device by multicarrier transmission method and communication system
08/08/2007EP1815616A2 Method and apparatus for estimating channelization codes in a wireless transmit/receive unit
08/08/2007EP1531558B1 Device and method for transmitting encrypted data over a broadband channel
08/08/2007EP1351408B1 Digital point-to-multipoint data transmission system on an electric network
08/08/2007CN1331364C Method for transmitting-receiving information about orthogonal variable spread spectrum factor code
08/08/2007CN101015156A Mimo transmitting apparatus, mimo receiving apparatus, and pilot symbol transmission method
08/08/2007CN101015155A Receiving method and apparatus and communication system using the same
08/08/2007CN101015151A Mb-ofdm transmitter and receiver and signal processing method thereof
08/08/2007CN101015150A Method for distributing spectral bandwidth of OFDM and OFDMA coexisting system
08/08/2007CN101015149A Coexistent system of OFDM and OFDMA and collaborative working method thereof
08/08/2007CN101014189A Method, base station and mobile station to minimise the interference in a cellular OFDM communication system
08/08/2007CN101014103A Digital multimedia reception device
08/08/2007CN101014029A Method for generating OFDM synchronous training sequence and synchronizing method based on the training sequence
08/07/2007US7254399 Techniques for interference reduction in wireless communications networks
08/07/2007US7254204 Method and system for OFDM symbol timing synchronization
08/07/2007US7254196 Symbol timing for MIMO OFDM and other wireless communication systems
08/07/2007US7254160 Radio receiver
08/07/2007US7254124 Methods, apparatus and computer program products for controlling a reverse link traffic channel code responsive to detection of a duplicate terminal identity
08/02/2007WO2007086686A2 Transmitting apparatus and method using tone reservation in ofdm system
08/02/2007WO2007085151A1 An error control method and an interdependent relay system
08/02/2007US20070177683 Wireless communication system
08/02/2007US20070177496 Method for decoding channelisation code set information in a spread spectrum receiver
08/02/2007US20070177495 Lan by ultra-wideband system and method
08/02/2007US20070177494 Cellular radio communication system, base station, radio terminal and radio communication method
08/02/2007US20070177493 Carrier recovery circuit and method
08/02/2007US20070177492 Methods and tools for expanding coverage of an ofdm broadcast transmitter via transmit timing advance
08/01/2007EP1814277A2 Noise cancelling method and apparatus