Patents
Patents for H04J 11 - Orthogonal multiplex systems (25,498)
09/2005
09/07/2005CN1666441A Method and apparatus for processing a physical channel with partial transport format information
09/07/2005CN1665231A Method for forming a training sequence
09/07/2005CN1665166A Adaptive modulation scheme and data rate control method
09/07/2005CN1218605C Cellular system and communication method according to multi-code CDMA
09/07/2005CN1218528C Method and apparatus for transmission of frequency-division multiplexing time-division multiple access system signals with pilot-frequency signs
09/07/2005CN1218525C Method and system for elimination interference in multi-cell CDMA system
09/06/2005US6941485 Clock supply circuit for supplying a processing clock signal used for processing an input signal having a predetermined frequency
09/06/2005US6941151 Transmitting apparatus, receiving apparatus, and communication system for formatting data
09/06/2005US6940932 Diversity receiver
09/06/2005US6940917 Beam-steering and beam-forming for wideband MIMO/MISO systems
09/06/2005US6940859 Line termination equipment
09/06/2005US6940842 System and method for maintaining wireless channels over a reverse link of a CDMA wireless communication system
09/06/2005US6940827 Communication system using OFDM for one direction and DSSS for another direction
09/06/2005US6940807 Method and apparatus for a X-DSL communication processor
09/01/2005WO2005081485A1 Data loading method, transmitter, and base station
09/01/2005WO2005081439A1 Methods and apparatus for multi-carrier communication systems with adaptive transmission and feedback
09/01/2005US20050193305 Method and apparatus for antenna selection using channel response information in a multi-carrier system
09/01/2005US20050191961 Wraparound canceller, relay system, and wraparound cancelling method
09/01/2005US20050190852 Method of data burst transmission
09/01/2005US20050190849 Communications system, method and device
09/01/2005US20050190826 Digital subscriber line modem with bitloading using channel condition model
09/01/2005US20050190822 Wireless relay system, wireless relay apparatus, and wireless relay method
09/01/2005US20050190821 Radio relay system, radio relay apparatus, and radio relay method
09/01/2005US20050190818 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
09/01/2005US20050190766 Interleaver, deinterleaver, communication device, and method for interleaving deinterleaving
09/01/2005US20050190715 Communications system, method and devices
09/01/2005US20050190689 Suppressing cross-polarization interference in an orthogonal communication link
09/01/2005US20050190688 Code generation, in particular for umts digital communications
09/01/2005CA2747374A1 Transmit diversity and spatial spreading for an ofdm-based multi-antenna communication system
09/01/2005CA2747273A1 Transmit diversity and spatial spreading for an ofdm-based multi-antenna communication system
08/2005
08/31/2005EP1569403A2 Method and apparatus for transmitting channel quality information in a multicarrier communication system
08/31/2005EP1569402A1 Digital subscriber line modem with bitloading using channel condition model
08/31/2005EP1569362A1 Radio reception device and radio reception method
08/31/2005CN1663213A Dual-mode shared OFDM methods/transmitters, receivers and systems
08/31/2005CN1663211A Device and method of estimating multiple channels
08/31/2005CN1663208A Modulation apparatus using mixed-radix fast fourier transform
08/31/2005CN1663131A Method and device for wavelet denoising
08/31/2005CN1661995A Digital subscriber line modem with bitloading using channel condition model
08/31/2005CN1661928A Distortion compensation circuit, power amplifier using distortion compensation circuit, and distortion compensation signal generating method
08/31/2005CN1217503C Orthogonal frequency division multiplexing all-digit synchronous tracking method and system without pilot frequency asistance
08/30/2005US6937665 Method and apparatus for multi-user transmission
08/30/2005US6937617 Apparatus and method for trellis encoding data for transmission in digital data transmission systems
08/30/2005US6937559 Apparatus and method for allocating Walsh codes in CDMA communication system having variable rate channel structure
08/30/2005US6937557 OFDM communication apparatus
08/30/2005US6937108 Methods and apparatus for offset chirp modulation
08/30/2005CA2377227C Apparatus and method for providing separate forward dedicated and shared control channels in a communications system
08/25/2005WO2005078965A1 Method for reusing ovsf codes of allocated physical channels for transmitting data via enhanced up-link in cdma
08/25/2005WO2005078964A1 Apparatus and method for allocating ovsf codes and i/q channels for reducing peak-to-average power ratio in transmitting data via enhanced up-link dedicated channels in wcdma systems
08/25/2005US20050186956 Fixed OFDM wireless man utilizing CPE having internal antenna
08/25/2005US20050185725 OFDM communication system and method
08/25/2005US20050185706 Multimode multicarrier modem system and method of communication over the same
08/25/2005US20050185700 Method and apparatus for receiving a signal
08/25/2005US20050185575 Asymmetrical mimo wireless communications
08/25/2005US20050185574 Data loading method, transmitter, and base station
08/25/2005US20050185573 Ofdm equalizer filter with shared multiplier
08/25/2005US20050184803 Distortion compensation circuit, power amplifier using distortion compensation circuit, and distortion compensation signal generating method
08/25/2005CA2704253A1 Subband-based demodulation for an ofdm-based communication system
08/24/2005EP1566934A2 OFDM diversity receiver
08/24/2005EP1566908A1 A method of using long cellized codes in a joint detection system
08/24/2005EP1566900A2 Wireless relay system, apparatus and method
08/24/2005EP1566024A1 Method for transmitting data in a connection having a variable transmission rate during said connection and corresponding station
08/24/2005EP1565996A1 Method and apparatus for providing a distributed architecture digital wireless communication system
08/24/2005EP1232591B1 Method and apparatus for transmission and reception of fm in-band on-channel digital audio broadcasting
08/24/2005EP1118197B1 Time-frequency differential encoding for multicarrier system
08/24/2005CN1659841A Reduced complexity intercarrier interference cancellation
08/24/2005CN1659816A Radio communication system
08/24/2005CN1659806A Reliable conveyance of orthogonal space information
08/24/2005CN1659805A Sending transmission format information on dedicated channels
08/24/2005CN1658699A Seamless handover method in an fh-ofdm based mobile communication system
08/24/2005CN1658606A OFDM diversity receiver
08/24/2005CN1658605A Digital broadcast signal receiving apparatus and method
08/24/2005CN1658540A Frame synchronizing technology for erthogonal frequency division multiplex system frame
08/24/2005CN1658533A Radio relay system, radio relay apparatus, and radio relay method
08/24/2005CN1658532A Wireless relay system, wireless relay apparatus, and wireless relay method
08/24/2005CN1658528A Adaptive channel estimation method of MIMO-OFDM system
08/24/2005CN1216467C Interface method between control layer and physical layer of orthogonal frequency-division multiplexing communication system
08/23/2005US6934553 Receiving unit, receiving method and semiconductor device
08/23/2005US6934275 Apparatus and method for providing separate forward dedicated and shared control channels in a communications system
08/23/2005US6934271 Support of multiuser detection in the downlink
08/23/2005US6934246 System and method for reducing adjacent channel interference (ACI) in a multicarrier modulation system
08/18/2005WO2004109475B1 System and method for determining synchronization point in ofdm modems for accurate time of flight measurement
08/18/2005US20050180535 Receiving method and receiver
08/18/2005US20050180533 Method and device for synchronization upon reception of a signal and echoes
08/18/2005US20050180517 Digital broadcast signal receiving apparatus and method
08/18/2005US20050180516 Symbol timing synchronization method for OFDM based communication system
08/18/2005US20050180496 Serial cancellation receiver design for a coded signal processing engine
08/18/2005US20050180461 Method of equalization in an OFDM system
08/18/2005US20050180375 System and method for channelization and data multiplexing in a wireless communication network
08/18/2005US20050180374 Methods and devices for selecting sets of available sub-channels
08/18/2005US20050180350 Channel scheduling
08/18/2005US20050180349 Method for frequency division duplex communications
08/18/2005US20050180315 Orthogonal frequency division multiplexing (OFDM) method and apparatus for protecting and authenticating wirelessly transmitted digital information
08/18/2005US20050180314 Method and system for high data rate multi-channel WLAN architecture
08/18/2005US20050180313 Apparatus and method for controlling adaptive modulation and coding in an orthogonal frequency division multiplexing communication system
08/18/2005US20050180311 OFDM transceiver structure with time-domain scrambling
08/18/2005US20050179570 Energy dispersal circuit and receiver
08/17/2005EP1564952A2 Symbol timing synchronization method for OFDM based communication system
08/17/2005EP1564946A2 Channel estimation in multicarrier transmission
08/17/2005EP1564920A1 Transmitter apparatus and transmitting method
08/17/2005EP1564911A1 Radio relay system, radio relay apparatus and radio relay method