Patents
Patents for H04J 11 - Orthogonal multiplex systems (25,498)
08/2004
08/18/2004EP1447931A1 Ofdm transmitter and ofdm transmitting method
08/18/2004EP1188266B1 Apparatus and method for achieving symbol timing and frequency synchronization to orthogonal frequency division multiplexing signal
08/18/2004EP0929960B1 Method for eliminating interference in an ofdm radio receiver
08/18/2004EP0827655B1 Method and apparatus for joint frequency offset and timing estimation of a multicarrier modulation system
08/18/2004CN1522515A Method and device for providing timing information in a wireless communication system
08/18/2004CN1522511A Apparatus and method for transmitting and receiving additional information of partial transmission sequence at orthogonal frequency division multiplexing communication system
08/18/2004CN1521970A OFDM receiver, semiconductor integrated circuit and OFDM receiving method
08/18/2004CN1521969A Method for retrieving sequences of minimum papr in an OFDM communication system
08/18/2004CN1521968A Generation method and transmission method for new training signal in orthogonal frequency division multiplexing system
08/18/2004CN1163036C Apparatus and method for transmitting predeterminate time domain signal in multiple carrier transmission system
08/18/2004CN1163012C Direct sequential CDMA linking transmission method
08/18/2004CN1163011C Direct sequential CDMA linking transmission method
08/17/2004US6778595 ADSL modem
08/17/2004CA2308973C Soft selection combining based on successive erasures of frequency band components in a communication system
08/12/2004WO2004068758A1 Multi-carrier transmission device, multi-carrier reception device, and multi-carrier radio communication method
08/12/2004WO2004068757A1 Ofdm signal collision position detection device and ofdm reception device
08/12/2004WO2004068756A1 Multi-carrier communication system and reception device thereof
08/12/2004US20040157617 Dynamic bandwidth allocation to transmit a wireless protocol across a code division multiple access (CDMA) radio link
08/12/2004US20040157614 Communication system, transmitting apparatus and transmitting method, receiving apparatus and receiving method, unbalance code mixing method and multiple code decoding method
08/12/2004US20040156456 Avoidance mechanism for co-channel interference in a wireless network
08/12/2004US20040156441 Method and arrangement to determine a clock timing error in a multi-carrier transmission system, and related synchronisation units
08/12/2004US20040156428 Method and apparatus capable of restricting resending operation
08/12/2004US20040156427 System and method for generating signal waveforms in a CDMA cellular telephone system
08/12/2004US20040156349 Method and system compensation of a carrier frequency offset in an ofdm receiver
08/12/2004US20040156309 Novel receiver architecture for pilot based OFDM systems
08/12/2004US20040156308 OFDM-based timing synchronization detection apparatus and method
08/12/2004CA2814253A1 Methods and apparatus for downlink macro-diversity in cellular networks
08/11/2004EP1445907A2 Estimation of subcarrier attentuations
08/11/2004EP1445906A1 Method and device for analysing an OFDM signal
08/11/2004EP1445884A1 Transmission method, transmission apparatus, and reception apparatus
08/11/2004EP1445883A1 Reception apparatus
08/11/2004EP1445874A1 Communication method and radio communication apparatus
08/11/2004EP1444857A1 Encrypting a pseudo-noise (pn) sequence before spreading a communication signal
08/11/2004EP1444815A1 Data-aided frequency offset detection using phase unwrapping
08/11/2004EP1444804A1 Method and system for spectrally compatible remote terminal adsl deployment
08/11/2004EP1444803A1 Method, system and apparatus for transmitting interleaved data between stations
08/11/2004EP1360840B1 Wireless image transmission device and image transmission method
08/11/2004EP1224763A4 Method and apparatus for communicating a call
08/11/2004EP0992120A4 Wireless communications system for transmitting and receiving data with increased data rates and robustness
08/11/2004CN1520669A Method and system for compensation of carrier frequency offset in OFDM receiver
08/11/2004CN1520074A OFDM Receiver and data demodulation method
08/11/2004CN1520071A Digital audio broadcast receiver having simply implementable FFT processor
08/11/2004CN1520051A Subscriber unit and method for use in wireless communication system
08/11/2004CN1162017C Communication method, transmitter and receiver
08/11/2004CN1161902C Data transmssion method in TDMA mobile communication system
08/10/2004US6774829 Apparatus and method for receiving signals including data carriers and pilot carriers modulated by multi-carrier modulation method
08/05/2004US20040151255 Method and apparatus for identifying an orthogonal frequency division multiplexing (OFDM) terrestrial repeater using inactive sub-carriers
08/05/2004US20040151146 Multi-branch OFDM transceiver
08/05/2004US20040151145 Channel estimation for an OFDM transceiver
08/05/2004US20040151141 Method and apparatus for allowing soft handoff of a CDMA reverse link utilizing an orthogonal channel structure
08/05/2004US20040151110 Generation of a guard interval in a DMT modulation transmission
08/05/2004US20040151108 Process to optimise communication for a multi-user OFDM digital transmission system over the electricity network
08/04/2004EP1443710A2 Multi-branch OFDM transceiver
08/04/2004EP1443680A1 Radio apparatus and adaptive array processing method
08/04/2004EP1443667A2 Channel assignment apparatus and method for common packet channel in a WCDMA mobile communication system
08/04/2004EP1442546A1 Ovsf code generation
08/04/2004EP1442545A1 Stfbc coding/decoding apparatus and method in an ofdm mobile communication system
08/04/2004EP1442544A2 Apparatus and method for reducing papr in an ofdm mobile communication system
08/04/2004EP1442538A1 Multiple-access multiple-input multiple-output (mimo) communication system
08/04/2004EP0824812B1 Digital multicarrier signal and transmission and reception methods therefor
08/04/2004CN1518803A Method for multiple access and transmission in point-to-multipoint system on electrical network
08/04/2004CN1518261A Constant frame coding double quadrature modulation and demodulation device
08/04/2004CN1518253A Orthogonal frequency division multiplexing modem device and method
08/04/2004CN1160921C Frame structure and frame synchronization of multi-carrier system
08/04/2004CN1160887C Orthogonal frequency-division multiplex transmitting apparatus and method
08/04/2004CN1160886C Orthogonal frequency-division multiplex receiving apparatus and method
08/04/2004CN1160885C Apparatus and method for generating multiple scrambling codes in asynchronous mobile communication system
08/04/2004CN1160878C Method for generating quasi-orthogonal code and spreader using same in mobile communication system
08/03/2004US6771976 Radiocommunication apparatus, radiocommunication system, and radiocommunication method
08/03/2004US6771719 Automatic gain control method and its system
08/03/2004US6771591 Method and system for processing orthogonal frequency division multiplexed signals
07/2004
07/29/2004WO2004064265A1 Mobile station for retrieving an information related to an association tree
07/29/2004WO2004023692A3 Code channel allocations in a wireless communications system
07/29/2004US20040146116 Apparatus for constant amplitude coded bi-orthogonal demodulation
07/29/2004US20040146028 Apparatus, and associated method, for generating assignment information used pursuant to channel allocation in a radio communication system
07/29/2004US20040146017 Base station device and communication terminal device
07/29/2004US20040146003 Method for frame and frequency synchronization of an ofdm signal and method for transmitting an ofdm signal
07/28/2004EP1441484A2 Reception and equalisation of multicarrier signals
07/28/2004EP1440533A2 Adaptive rate control for an ofdm communication system
07/28/2004CN1516946A Frequency correction with symmetrical phase adjustment in each OFDM symbol
07/28/2004CN1516935A Radio communication method, radio transmitting device and receiving device
07/28/2004CN1516497A Stand-by multiple access control apparatus and method for mobile communication system
07/28/2004CN1516459A Transferring ssytem of signal communication in digital multimedia broadcast system and mode
07/28/2004CN1159873C Appts. and method for allocating forward common channels in CDMA communication system
07/28/2004CN1159872C 通信终端设备 Communication terminal device
07/28/2004CN1159858C CDMA receiver
07/27/2004US6768778 Optimal complementary punctured convolutional codes
07/27/2004US6768728 Device and method for exchanging frame messages of different lengths in CDMA communication system
07/27/2004US6768713 Orthogonal frequency division multiplexing receiver with iterative channel estimation and a corresponding method
07/27/2004US6768364 Quadrature signal generation with phase error correction
07/22/2004WO2004062153A1 Radio communication apparatus and radio transmission method
07/22/2004WO2004062151A1 Ofdm demodulation device
07/22/2004WO2004062150A1 Ofdm demodulation device
07/22/2004WO2004062149A1 Ofdm demodulation apparatus
07/22/2004WO2004062148A1 Radio communication device and radio communication method
07/22/2004US20040141566 Apparatus and method for adaptively modulating signal by using layered time-space detector used in mimo system
07/22/2004US20040141550 Reduced SNR handshake signaling in ADSL systems
07/22/2004US20040141481 Transmitter device and transmitting method using OFDM nd MC-CDMA
07/22/2004US20040141457 Method of determining training signal in OFDM, and apparatus and method for receiving OFDM signal using the training signal
07/22/2004US20040139897 Communications apparatus using adaptive antenna