Patents
Patents for H04J 11 - Orthogonal multiplex systems (25,498)
10/2004
10/13/2004EP1466445A2 Coexistence of modulation schemes in a wlan
10/13/2004EP1188269B1 Apparatus for encoding a transport format combination indicator for a communication system
10/13/2004EP0812500B1 Method and apparatus for providing variable rate data in a communications system using non-orthogonal overflow channels
10/13/2004CN1536925A Method and device for supporting P2P Communication in TDD CDMA communicaton system
10/13/2004CN1536775A Installation outside vehicle, communication device between vehicles, installation outside vehicle, communication method between vehicles
10/13/2004CN1171491C Adaptive channel allocation in frequency division multiplexed system
10/13/2004CN1171415C Method for efficient synchronisation of cimmunication system
10/13/2004CN1171406C Radio communication system, transmission method, wireless base station and terminals
10/13/2004CN1171397C Method for generating complex quasi-ortrhogonal code and apparatus and method for spreading channel
10/12/2004US6804313 Approach for processing data received from a communications channel
10/12/2004US6804192 OFDM/DMT digital communications system including partial sequence symbol processing
10/07/2004WO2004086710A1 System and method for two channel frequency offset estimation of ofdm signals
10/07/2004WO2004086706A1 Apparatus and method for estimating a plurality of channels
10/07/2004WO2004086661A1 Ofdm transmitting method, transmitter, and receiver
10/07/2004US20040199554 Frame synchronization in multicarrier transmission systems
10/07/2004US20040198276 Multiple channel wireless receiver
10/07/2004US20040196938 Method and apparatus for timing recovery in ADSL transceivers under a TCM-ISDN crosstalk environment
10/07/2004US20040196917 Radio communication system, radio communication method, radio base station, and radio terminal station
10/07/2004US20040196916 Optimized synchronization preamble structure
10/07/2004US20040196781 OVSF code system and methods for CDMA stations
10/07/2004US20040196780 Multi-carrier code division multiple access communication system
10/06/2004EP1465363A2 System and orthogonal coding in a telecommunications environment using orthogonal and near-orthogonal codes
10/06/2004EP1464200A1 Method and apparatus for controlling communications of data from multiple base stations to a mobile station in a communication system
10/06/2004EP1464148A2 Method of managing communications in a network and the corresponding signal, transmitting device and destination terminal
10/06/2004EP1219061A4 Method and apparatus for transmit timing adjustment in a host-processor-based modem
10/06/2004EP1197024B1 Method and device for generating a channel and subscriber-coded message signal
10/06/2004EP1131909B1 Channel spreading device and method for cdma communication system
10/06/2004CN1535550A System and method for wireless code division multiple access communication
10/06/2004CN1535541A System and method for frequency re-use in sectorized cell pattern in wireless communication system
10/06/2004CN1535513A Dynamic digital communication system control
10/06/2004CN1535508A Method and apparatus for processing data for transmission in multi-channel communication system using selective channel transmission
10/06/2004CN1535507A Communication optimisation method for multi-user OFDM digital transmission system using electrical network
10/06/2004CN1534912A Method of increasing Iu interface transmission efficiency in WCDMA system
10/06/2004CN1534909A Frame detection of orthogonal frequency division multiplex system under moving environment and frame synchronization method
10/06/2004CN1534908A Frame timing synchronization method of orthogonal frequency division multiplex signal
10/06/2004CN1170454C Communication terminal and radio communication method
10/06/2004CN1170389C Method for using long subzone codes in combined detection system
10/06/2004CN1170374C Space-time coding and decoding code method suitable for frequency selective fading channels
10/05/2004US6801586 OFDM communication apparatus and propagation path estimation method
10/05/2004US6801570 Intelligent rate option determination method applied to ADSL transceiver
10/05/2004US6801495 High capacity robust modem for multiple classes of services
09/2004
09/30/2004WO2004084435A1 A multi-carrier code division multiple access communication system
09/30/2004US20040192238 Receiver and receiving method
09/30/2004US20040190657 Communications device with doppler frequency estimation functions
09/30/2004US20040190639 Channel estimation in a multi carrier transmit diversity system
09/30/2004US20040190551 Communication system and communication method
09/30/2004US20040190440 Multiple transmission/reception orthogonal frequency division multiplexing systems and methods
09/30/2004US20040190438 System and method for two channel frequency offset estimation of OFDM signals
09/29/2004EP1463355A1 Mobile body communication apparatus
09/29/2004EP1463221A1 Modulation/demodulation apparatus using matrix and anti-matrix
09/29/2004EP1461924A2 Method and apparatus for determining the log-likelihood ratio with precoding
09/29/2004EP1391095B1 Method for estimating the transfer function of a multicarrier signal transmission channel and corresponding receiver
09/29/2004EP1031201A4 Cdma direct spread overlay system and method of operation
09/29/2004EP1020039A4 Apparatus and method for transmitting signals in a communication system
09/29/2004CN1533644A Method and apparatus for WALSH space assignment in communication system
09/29/2004CN1169319C Amplitude compression and expansion control method for peak-to-average ratio of orthogonal frequency division multi-plexing communication system
09/28/2004USRE38603 Data transmitter and receiver of a spread spectrum communication system using a pilot channel
09/28/2004US6798849 AM digital audio broadcasting with analog signal pre-compensation
09/28/2004US6798847 Transmit antenna diversity apparatus and method for a base station in a CDMA mobile communication system
09/28/2004US6798738 FFT window position recovery apparatus and method for OFDM system receiver
09/23/2004WO2004082181A1 Ofdm signal transmission method, transmission device, and reception device
09/23/2004WO2004082165A2 Systems and methods for using code space in spread-spectrum communications network.
09/23/2004WO2003060546A3 Serial cancellation receiver design for a coded signal processing engine
09/23/2004US20040185910 Wireless communication system
09/23/2004US20040184561 Receiving device, receiving method, and program
09/23/2004US20040184556 Polarization modulation with amplitude differential
09/23/2004US20040184552 Systems and methods for implementing receiver transparent Q-mode
09/23/2004US20040184550 Receiver which demodulates OFDM symbol
09/23/2004US20040184400 Multicarrier transmitter, multicarrier receiver, and multicarrier communications apparatus
09/23/2004CA2813507A1 Systems and methods for using code space in spread-spectrum communications
09/23/2004CA2518252A1 Systems and methods for using code space in spread-spectrum communications network.
09/22/2004EP1460814A2 Coarse frequency synchronization for multicarrier receivers
09/22/2004EP1460772A2 Multi-band, multi-mode spread spectrum communication system
09/22/2004EP1459489A1 Joint equalization, soft-demapping and phase error correction in wireless system with receive diversity
09/22/2004EP1459469A1 Bit level diversity combining for cofd system
09/22/2004EP1135955B1 Method for data transmission in a radio communications system
09/22/2004EP1125384B1 Method and apparatus for reduction of fm interference for fm in-band on-channel digital audio broadcasting system
09/22/2004CN1531690A Digital demodulator for terrestrial receiver
09/22/2004CN1531295A Method and method for modulating bias linear modulation pulses
09/22/2004CN1531236A Decoder and decoding method for communication system
09/22/2004CN1531235A Decoder and decoding method for communication system
09/22/2004CN1531234A Coder and coding method for communication system
09/22/2004CN1531233A Wireless controller and diffusion code choosing method
09/22/2004CN1531231A Method and device for connecting guide in subchannel of orthogonal FDM communication system
09/22/2004CN1531230A Continuous pilot frequency data transmission method based on OFDM frequency hop in broadcasting system
09/22/2004CN1531218A Coder and coding method in communication system
09/22/2004CN1531214A Rough frequency synchronizing method and device in orthogonal FDM system
09/22/2004CN1168271C Transmission of digital signals by orthogonal frequency division multiplexing
09/21/2004US6795417 User equipment with multiuser detection
09/21/2004US6795392 Clustered OFDM with channel estimation
09/16/2004WO2004079968A2 Improved vertical roaming in wireless networks through improved wireless network cell boundary detection
09/16/2004WO2004079959A1 Data transmission method, data reception method, data transfer method, data transmission device, data reception device, data transfer system, and communication terminal
09/16/2004WO2004079958A1 Method for receiving multicarrier signal and multicarrier receiver comprising it
09/16/2004WO2004079957A1 Receiver for communication system
09/16/2004WO2004045124A3 System and method for enabling multicast in a cdma network
09/16/2004WO2004001545A3 Rate control for multi-channel communication systems
09/16/2004US20040181809 Television via telephone using spread-spectrum modulation
09/16/2004US20040180696 Dynamic frame size adjustment and selective reject on a multi-link channel to improve effective throughput and bit error rate
09/16/2004US20040180666 Method and device for providing timing information in a wireless communication system
09/16/2004US20040179633 Orthogonal frequency division multiple signal reception apparatus, reception apparatus, orthogonal frequency division multiple signal reception method, and reception method