Patents
Patents for H04J 11 - Orthogonal multiplex systems (25,498)
01/2003
01/09/2003US20030007553 Receiver having an adaptive filter and method of optimising the filter
01/09/2003US20030007509 Multicarrier communication with variable overhead rate
01/09/2003US20030007463 Method of providing downlink transmit diversity
01/09/2003US20030007450 OFDM receiving apparatus having simplified circuit configuration
01/09/2003US20030007190 Data transmission method and data transmission apparatus
01/09/2003CA2809894A1 Improved media delivery platform
01/08/2003EP1274211A2 Orthogonal frequency division multiplex signal demodulator circuit having simple circuit configuration
01/08/2003EP1274210A1 OFDM receiver
01/08/2003EP1274193A1 Method and device for providing timing information in a wireless communication system
01/08/2003EP1274176A1 Multi-user detection in an MC-CDMA telecommunication system
01/08/2003EP0990365B1 Dynamic bandwidth allocation to transmit a wireless protocol across a code division multiple access (cdma) radio link
01/07/2003CA2291024C Carrier recovery in dab receivers
01/03/2003WO2003001761A1 Method and apparatus for transmitting data in a time division duplex system
01/03/2003WO2003001760A1 Method and system for compensation of a carrier frequency offset in an ofdm receiver
01/03/2003WO2003001714A1 Automatic gain control circuit and method thereof, and demodulation apparatus using the same
01/03/2003WO2003001713A1 Orthogonal frequency division multiple signal reception apparatus, reception apparatus, orthogonal frequency division multiple signal reception method, and reception method
01/03/2003WO2003001702A1 Method and apparatus for processing data for transmission in a multi-channel communication system using selective channel transmission
01/03/2003WO2002049306A3 Multi-carrier communications with group-based subcarrier allocation
01/03/2003WO2002049305A3 Ofdma with adaptive subcarrier-cluster configuration and selective loading
01/02/2003US20030005370 Modem apparatus with error detection functions and error detection method
01/02/2003US20030002595 Signal receiver of OFDM system and method for receiving signals thereof
01/02/2003US20030002590 Noise canceling method and apparatus
01/02/2003US20030002570 Fully integrated ethernet transmitter architecture with interpolating filtering
01/02/2003US20030002519 Information network access apparatus and methods for communicating information packets via telephone lines
01/02/2003US20030002450 Method and apparatus for transmitting data in a time division duplexed (TDD) communication system
01/02/2003EP1271873A2 Interleaving in multicarrier transmission
01/02/2003EP1271823A1 Wireless communication transmitter and receiver
01/02/2003EP1269791A1 Method for transmitting signalling
01/02/2003EP1269665A2 Method and apparatus for measuring channel state information
01/02/2003EP1269654A2 Method and apparatus for controlling transmissions of a communications system
01/02/2003EP1129533A4 Apparatus and method for generating multiple scrambling codes in asynchronous mobile communication system
01/02/2003EP0886926B1 Time division duplexed multicarrier transmission
01/01/2003CN1389038A 通信装置和通信方法 Communication apparatus and communication method
01/01/2003CN1389037A 通信装置及通信方法 Communication apparatus and communication method
01/01/2003CN1389035A Multicarrier transmitter and multicarrier transmission method
01/01/2003CN1097989C Method for allocating walsh codes by group in CDMA cellular system
01/01/2003CN1097928C Receiver and transmission system with improved symbol processing
01/01/2003CN1097884C Method for frequency correction of multicarrier signals and related apparatus
12/2002
12/31/2002US6501788 Apparatus and methods for intereference cancellation in spread spectrum communications systems
12/31/2002US6501787 High-data-rate supplemental channel for CDMA telecommunications system
12/31/2002US6501730 Carrier recovery in DAB receivers
12/27/2002WO2002103974A1 Frequency correction with symmetrical phase adjustment in each ofdm symbol
12/27/2002WO2002103947A1 Demodulation timing generation circuit and demodulation apparatus
12/27/2002WO2002103926A1 Method and apparatus for processing data for transmission in a multi-channel communication system using selective channel inversion
12/26/2002US20020196936 System for generating pseudorandom sequences
12/26/2002US20020196874 Gain control apparatus and modem apparatus provided with gain control apparatus
12/26/2002US20020196863 Peak suppression method and data transmission apparatus
12/26/2002US20020196861 Systems and methods for implementing receiver transparent Q-mode
12/26/2002US20020196860 Orthogonal frequency division multiplex signal demodulator circuit having simple circuit configuration
12/26/2002US20020196734 OFDM transmission system transceiver and method
12/26/2002US20020196732 Frequency assignment in orthogonal multicarrier modulation
12/25/2002CN1387712A Method and apparats for communicating call
12/25/2002CN1097363C Multifunction interactive communication system for transmission and reception of circularly/elliptically polarized signal
12/24/2002US6498808 Seamless rate adaptive multicarrier modulation system and protocols
12/24/2002US6498806 Shared asymmetric digital subscriber line modem
12/19/2002WO2002102098A1 Multi-detection of heartbeat to reduce error probability
12/19/2002WO2002102095A1 Transmittal of heartbeat signal at a lower level than heartbeat request
12/19/2002WO2002102043A1 Variable state length initialization for dsl systems
12/19/2002WO2002101962A2 Method and system for increased bandwidth efficiency in multiple input - multiple output channels
12/19/2002WO2002101951A2 Method and apparatus for walsh space assignment in a communication system
12/19/2002US20020193070 Radio transmitting apparatus and radio transmitting method
12/19/2002US20020191676 Parallel spread spectrum communication system and method
12/19/2002US20020191581 MC/CDMA data transmission method
12/19/2002US20020191535 OFDM signal communication system, OFDM signal transmitting device and OFDM signal receiving device
12/19/2002US20020191533 System and method for modulation of non-data bearing carriers in a multi-carrier modulation system
12/19/2002CA2449618A1 Method and apparatus for walsh space assignment in a communication system
12/18/2002EP1267537A2 An OFDM digital broadcasting system, and a transmission system and a receiving system used for digital broadcasting
12/18/2002EP1267535A1 Method and apparatus for symbol synchronisation in a multicarrier receiver
12/18/2002EP1267502A2 Method and apparatus for a satellite system with dynamic frequency bandwidth allocation
12/18/2002EP1266459A1 Encoding apparatus and method in cdma communication system
12/18/2002CN1386344A Multi-carrier CDMA communication device, multi-carrier CDMA transmitting device, and multi-carrier CDMA receiving device
12/18/2002CN1386343A Multicarrier CDMA communication device
12/18/2002CN1385975A Method for inhibiting peak-to-average ratio in orthogonal frequency division complex communication system
12/18/2002CN1096767C Process for digital frequency correction in multi-carrier transmission process
12/17/2002US6496954 Viterbi decoder and viterbi decoding method
12/17/2002US6496682 Satellite communication system employing unique spot beam antenna design
12/17/2002US6496144 Adaptive receiver having adaptive array unit and equalizer unit
12/17/2002CA2287954C Method and apparatus for transmission and reception of a transmission rate in a cdma communication system
12/17/2002CA2222734C Cdma transmission employing clipping function
12/12/2002WO2002100008A1 Dynamic digital communication system control
12/12/2002US20020188908 Forward error correction with channel adaptation
12/12/2002US20020187747 Method and appartus for dynamic frequency bandwidth allocation
12/12/2002US20020186792 Signal encoding for transmission of multiple digital signals over single physical medium
12/12/2002US20020186715 Master-slave data transmission in orthogonal frequency-division multiplexing
12/12/2002US20020186714 Method of data transmission by orthogonal frequency-division multiplexing
12/12/2002US20020186704 Variable state length initialization
12/12/2002US20020186651 M-ary orthogonal keying system
12/12/2002US20020186650 Equalisation method and device of the GMMSE type
12/11/2002EP1265395A1 Method and device for transmitting MC-CDMA data
12/11/2002EP1265394A1 Frequency allocation in orthogonal multicarrier modulation
12/11/2002EP1265393A1 Data transmission between master and slave, using orthogonal frequency division multiplexing
12/11/2002EP1265392A1 Method of transmitting data by multiplexing orthogonal frequencies
12/11/2002EP1264435A1 Frame structure for variable rate wireless channels transmitting high speed data
12/11/2002EP0878930B1 Cdma code generating method and code selecting method
12/11/2002CN1096162C Spectrum spread communication system
12/11/2002CN1096161C Method and apparatus for formatting of data for transmission
12/11/2002CN1096157C Multipath search processor for spread spectrum multiple access communication system
12/11/2002CN1096156C Method and apparatus for using walsh shift keying in spread spectrum communication system
12/11/2002CN1096154C System for radio transmission of digital signals between plurality of subscriber stations and base station
12/10/2002US6493395 Multi-carrier transmission systems