Patents
Patents for H04J 11 - Orthogonal multiplex systems (25,498)
08/2008
08/26/2008US7418041 Transmitting/receiving apparatus and method for reducing PAPR in an OFDM mobile communication system
08/26/2008US7418039 Adaptive communication
08/26/2008US7418026 Receiver for a multi-carrier modulated symbol
08/26/2008US7417946 OFDM transmission apparatus and method having minimal transmission delay
08/26/2008US7417945 Transmitter and receiver for use with an orthogonal frequency division multiplexing system
08/21/2008WO2008101252A1 Long echo detection and channel estimation for ofdm systems
08/21/2008WO2008099919A1 Radio reception device, radio communication system, radio communication method, and program
08/21/2008WO2008099807A1 Base station device, mobile station, radio communication system, and communication control method
08/21/2008WO2008099791A1 Sending method, receiving method, transmitting method, sending device and receiving device
08/21/2008WO2008099785A1 Communication device and transmission control method
08/21/2008WO2008099783A1 Base station device, user device, and method used in mobile communication system
08/21/2008WO2008099617A1 Transmitting device, receiving device, encoder, and encoding method
08/21/2008WO2008099572A1 Reception device and reception method
08/21/2008WO2008099506A1 Transmitter circuit, radio base station apparatus, and wireless terminal apparatus
08/21/2008WO2006127340A3 Method and apparatus for improved channel maintenance signaling
08/21/2008WO2006062381A3 Decoding method for space-time encoding transmission scheme in with multiple input multiple output system and receiving apparatus for using the method
08/21/2008US20080198812 Multicarrier and multirate CDMA system
08/21/2008CA2678024A1 Base station apparatus, mobile station, radio communication system, and communication control method
08/20/2008EP1959700A1 Radio transmission device and radio transmission method
08/20/2008EP1959600A1 Iterative detection and decoding in a MIMO communication system
08/20/2008EP1959598A1 Communication method and communication apparatus
08/20/2008EP1436915B1 Physical layer automatic repeat request
08/20/2008CN101248694A Radio communication method capable of reducing inter-cell interference, system, and its mobile station and base station
08/20/2008CN101248608A Mimo-ofdm transmission device and mimo-ofdm transmission method
08/20/2008CN101248607A Adaptive pilot structure to assist channel estimation in spread spectrum systems
08/20/2008CN101248606A Methods and apparatuses for determining scrambling codes for signal transmission
08/20/2008CN101248605A Radio transmitting apparatus and radio transmitting method
08/20/2008CN101248604A Wireless communication apparatus and wireless communication method
08/20/2008CN101247382A Distributed transmission resource mapping method and apparatus based on OFDM system
08/20/2008CN101247380A High-speed vital ratio decoder for multi-tape orthogonal frequency division multiplexing ultra-broadband system
08/20/2008CN101247376A OFDM channel estimation method for eliminating noise combined with wavelet transformed domain
08/20/2008CN101247375A Method and device for carrier frequency migration estimation
08/20/2008CN100413232C 正交频分复用传输方法 Orthogonal frequency-division multiplexing transmission method
08/19/2008US7415085 OFDM receiver
08/19/2008US7415081 Orthogonal frequency division multiple signal reception apparatus, reception apparatus, orthogonal frequency division multiple signal reception method, and reception method
08/19/2008US7415080 Method and apparatus for detecting data sequences
08/19/2008US7415074 MIMO transmission and reception methods and devices
08/19/2008US7415043 Code division multiple access (CDMA) method and apparatus for protecting and authenticating wirelessly transmitted digital information
08/19/2008US7414964 Dynamic sub-carrier assignment of OFDM systems
08/19/2008US7414963 Dynamic zero suffix addition
08/19/2008US7414962 OFDM diversity transmission
08/19/2008US7414961 System and method for multiframe alignment in a multipoint-to-point orthogonal frequency division multiplexing system
08/19/2008US7414960 Multiuse subcarriers in multipoint-to-point communication using orthogonal frequency division multiplexing
08/19/2008US7414959 Communication device for receiving and transmitting OFDM signals in a wireless communication system
08/19/2008US7414958 Efficient tone ordering for multitone transmission
08/19/2008CA2246824C Detection method for the transmitter identification information signal in the null symbol of a dab stream
08/14/2008WO2008098079A1 Hopping structures for broadband pilot signals
08/14/2008WO2008097000A1 Method and apparatus for determining reverse transmission power of mobile station in an orthogonal frequency division multiplexing system
08/14/2008WO2008096833A1 A method of transmitting control channel information in an ofdm communication system downlink
08/14/2008WO2008096647A1 Communication terminal device, communication control device, radio communication system, and resource allocation request method
08/14/2008WO2008096626A1 Base station device
08/14/2008WO2008096591A1 Ofdm transmitter and ofdm receiver
08/14/2008WO2008096541A1 Ofdm reception device
08/14/2008WO2008096436A1 Wireless terminal device, base station device and wireless communication method
08/14/2008WO2008096408A1 Wireless terminal device
08/14/2008WO2008095334A1 Peak to average power ratio reduction in multi- carrier systems
08/14/2008US20080192850 Ofdm signal receiving apparatus and an ofdm signal receiving method
08/14/2008US20080192622 Control channel signaling in a multiple access wireless communication system
08/14/2008DE112006002533T5 System und Verfahren zum Ausführen einer Crest-Faktor-Reduzierung für eine Multi-Carrier-Modulation in einem drahtlosen Kommunikationsnetz System and method for performing a crest factor reduction for a multi-carrier modulation in a wireless communication network
08/14/2008CA2675694A1 Hopping structures for broadband pilot signals
08/13/2008EP1956785A1 Multicarrier modulation system and method
08/13/2008EP1955509A2 Method and apparatus for generating and transmitting code sequence in a wireless communication system
08/13/2008EP1955462A2 Apparatus and method for transmitting data using a plurality of carriers
08/13/2008EP1642409B1 Method and arrangement in a communication system
08/13/2008EP1479177B1 Multiple-input, multiple-output (mimo) systems with multiple transmission modes
08/13/2008EP1243094B1 Estimation of two propagation channels in OFDM
08/13/2008EP1172956B1 OFDM packet communication receiver
08/13/2008EP1051818B1 Frequency synchronizing device for ofdm/cdma system
08/13/2008EP0938198B1 Variable rate transmission and reception methods, and variable rate transmission and reception devices
08/13/2008EP0830771B1 Method and circuit arrangement for improving carrier separation for the transmission of ofdm signals
08/13/2008CN101243634A Communication control apparatus, communication terminal apparatus, wireless communication system, and transmitting method
08/13/2008CN101243633A Device and method for receiving orthogonal frequency division multiplexing signal
08/13/2008CN101243632A Wireless communication mobile station device, wireless communication base station device and CQI report method
08/13/2008CN101243631A Coding and modulation for multiple data streams in a communication system
08/13/2008CN101243625A Multicarrier communication system, multicarrier communication apparatus and cqi reporting method
08/13/2008CN101243614A Method and system for adapting an effective spreading sequence in a communication system using direct sequence spreading
08/13/2008CN101242627A Wireless communication system and wireless communication method
08/13/2008CN101242625A A method, system and device for control channel resource mapping
08/13/2008CN101242387A Guard interval setting method and apparatus in OFDM communication
08/13/2008CN101242386A Orthogonal frequency division multiplexing transmitter with modified pseudo-random noise sequence and inserted code element
08/13/2008CN101242259A Frame synchronization detection method and device for OFDM system
08/13/2008CN101242217A A method, system and device for sending OFDM multi-channel multiplexing symbols
08/13/2008CN101242216A Transmission device and method for downlink control signaling in wireless communication system
08/13/2008CN101242210A Transmit diversity system and method, transmitter and extended code allocating method
08/13/2008CN101242198A Network node, mobile device and system for compact representation of multi-code signaling
08/13/2008CN100411319C Method of selecting a receiving path and receiving device comprising several receiving paths
08/12/2008US7412250 Radio communication system
08/12/2008US7412014 Timing-adjusting method and apparatus, and diversity receiving method and apparatus
08/12/2008US7411993 PN code generator, GOLD code generator, PN code despreader, method for generating PN code, method for generating GOLD code, method for despreading PN code and computer program
08/12/2008US7411899 Apparatus and method for allocating walsh codes to access terminals in an adaptive antenna array CDMA wireless network
08/12/2008US7411898 Preamble generator for a multiband OFDM transceiver
08/12/2008US7411897 Method and apparatus for generating an edge sidelobe canceling signal and uplink communication method and apparatus using the same in an OFDMA system
08/12/2008US7411896 Method, apparatus, and system for power amplifier efficiency improvement
08/12/2008US7411895 Controlled superposition coding in multi-user communication systems
08/12/2008US7411894 Apparatus and method for guard interval inserting/removing in an OFDM communication system
08/07/2008WO2008094109A1 Method and apparatus for impairment correlation estimation in multi-antenna receivers
08/07/2008WO2008093774A1 Wireless communication base station apparatus, wireless communication mobile station apparatus, and method for mapping response signal in arq
08/07/2008WO2008093716A1 Radio transmission device and radio transmission method
08/07/2008WO2008093518A1 Communication system, base station, terminal, and communication method
08/07/2008WO2008093504A1 Reception method and device