Patents
Patents for H04J 11 - Orthogonal multiplex systems (25,498)
09/2002
09/26/2002US20020136314 Communication systems, transmitter and receiver
09/26/2002US20020136284 System and method for controlling line driver power in digital subscriber line modems
09/26/2002US20020136269 Orthogonal code generating circuit
09/26/2002US20020136265 Generator of repetitive sets of spread spectrum sequences
09/26/2002US20020136190 Band-division demodulation method and OFDM receiver
09/26/2002US20020136177 Transmission method fo words representing transmission parameters respectively allocated to mobile stations communicating with base station in mobile communication system
09/26/2002US20020136170 Wireless access system using selectively adaptable beam forming in TDD frames and method of operation
09/25/2002EP1244244A1 Global MMSE equalisation
09/25/2002EP1244243A1 Global MMSE equalisation
09/25/2002EP1244242A1 Global MMSE equalisation
09/25/2002EP1244237A2 Encoding/decoding apparatus and method in a CDMA mobile communication system
09/25/2002EP1243094A1 Estimation of two propagation channels in OFDM
09/25/2002EP1188269A4 Apparatus and method for encoding/decoding transport format combination indicator in cdma mobile communication system
09/24/2002US6456673 Digital radio frequency interference canceller
09/24/2002US6456670 Method for processing a signal containing data symbols
09/24/2002US6456669 Data communication method, transmitter, and cellular radio communication system
09/24/2002US6456666 Signal encoding for transmission of multiple digital signals over single physical medium
09/24/2002US6456657 Frequency division multiplexed transmission of sub-band signals
09/24/2002US6456649 Multi-carrier transmission systems
09/24/2002CA2214809C Method and system for communication over multiple channels in a spread spectrum communication system
09/19/2002WO2002073870A2 Method of symbol timing synchronization in communication systems
09/19/2002WO2002073869A1 Multiplexing method in a multi carrier transmit diversity system
09/19/2002WO2002073853A1 Cdma communication method using multi-type diffusion sequence
09/19/2002WO2002073831A1 A communication system using ofdm for one direction and dsss for another direction
09/19/2002WO2002019606A3 Partial response signaling for orthogonal frequency division multiplexing
09/19/2002WO2002005473A9 A method of and a device for generating a signal having a predetermined quality criterion for use in or on a communication system
09/19/2002WO2001080438A1 A method of orthogonal conversion of spread spectrum multiple access code
09/19/2002US20020131455 Method and apparatus for coordinating multi-point to point communications in a multi-tone data transmission system
09/19/2002DE10209259A1 Reduktion des DMT-Peaks, ohne das Übertragungssignal zu beeinflussen Reduction of DMT peaks without affecting the transmission signal
09/19/2002DE10112025A1 Verfahren zur Verringerung der Außenbandstrahlung bei AM-Sendern für digitale Übertragung A method for reducing the outer band radiation of AM transmitters for digital transmission
09/19/2002CA2403621A1 A method of orthogonal conversion of spread spectrum multiple access code
09/18/2002EP1241824A1 Multiplexing method in a multicarrier transmit diversity system
09/18/2002EP1018221B1 Method and circuit for the transmission of messages using approximated hermite functions
09/18/2002EP0830759B1 Apparatus and method of frame aligning information in a wireless telecommunications system
09/18/2002CN1370365A Method and appts. for reducing peak to average power ration in digital broadcasting systems
09/18/2002CN1370359A OFDM communication appts. and method for propagation path estimation
09/17/2002US6452987 Fast start-up in discrete multi-tone (DMT) based communications system
09/17/2002US6452959 Method of and apparatus for generating data sequences for use in communications
09/17/2002US6452958 Digital modulation system using extended code set
09/17/2002US6452913 Fast acquisition of traffic channels for a highly variable data rate reverse link of a CDMA wireless communication system
09/12/2002WO2002071695A2 Wireless access using multiple modulation formats according to subscriber type
09/12/2002WO2002071663A2 Method for reducing the out-of-band emission in am transmitters for digital transmission
09/12/2002WO2002071652A2 System and method for wireless code division multiple access communication
09/12/2002WO2002071633A2 System and method for code division multiple access communication in a wireless communication environment
09/12/2002US20020127968 Relay apparatus
09/12/2002US20020126780 OFDM signal transmissions system, porable terminal, and E-commerce system
09/12/2002US20020126774 Receiving apparatus, receiving method, program and information recording medium
09/12/2002US20020126768 Control channels for telecommunications transmission systems
09/12/2002US20020126706 Method of symbol timing synchronization in communication systems
09/12/2002US20020126618 Timing and frequency offset estimation scheme for OFDM systems by using an analytic tone
09/11/2002EP1239610A2 Repeater apparatus comprising a means for canceling loop feedback between a reception and a transmission antenna
09/11/2002EP1238504A1 Bit allocation method in a multicarrier system
09/11/2002EP1238472A1 Method and system for compensating for signal echoes that occur in duplex data transmission during discrete multi-tone modulation
09/11/2002EP1072138B1 Method and apparatus for fine frequency synchronization in multi-carrier demodulation systems
09/11/2002CN1369152A Method and apparatus for orthogonal code hopping multiplexing communications
09/11/2002CN1369142A Channel assignment apparatus and method for vacuum packet channel in CDMA mobile communication system
09/10/2002US6449630 Multiple function processing core for communication signals
09/10/2002US6449324 Digital radio frequency interference canceller
09/10/2002US6449316 Communication device and interference rejection method therein
09/10/2002US6449307 Apparatus for measuring electrical characteristics of circuit
09/10/2002US6449306 Orthogonal complex spreading method for multichannel and apparatus thereof
09/10/2002US6449266 Data transmission method, transmitter, and receiver
09/10/2002US6449261 Time division duplexed multicarrier transmission
09/10/2002US6449245 Signal receiving apparatus and method and providing medium
09/10/2002US6449244 Implementation of orthogonal narrowband channels in a digital demodulator
09/06/2002WO2002069537A1 Method for achieving a large capacity of scdma spread communication system
09/06/2002WO2002069514A1 Apparatus and method for coding/decoding tfci bits in an asynchronous cdma communication system
09/05/2002US20020122499 Method and apparatus for error reduction in an orthogonal modulation system
09/05/2002US20020122469 Method and device for generating a channel-coded and subscriber-coded message signal
09/05/2002US20020122465 Highly bandwidth-efficient communications
09/05/2002US20020122403 System and method for time slotted code division multiple access communication in a wireless communication environment
09/05/2002US20020122402 System and method for code division multiple access communication in a wireless communication environment
09/05/2002US20020122398 Method and apparatus for transmitting and receiving high speed data in a CDMA communication system using multiple carriers
09/04/2002EP1237340A1 Receiver window design for multicarrier communication systems
09/04/2002EP1237313A1 Rotate shift code division multiplex communication system
09/04/2002EP1237293A2 Method for increasing the capacity in a CDMA system
09/04/2002EP1237292A2 Apparatus and method for coding/decoding TFCI bits in an asynchronous CDMA communication system
09/04/2002EP1236326A1 Method for co-channel interference cancelation in a multicarrier communication system
09/04/2002EP1236324A2 Frequency-domain equalizer for single carrier digital television
09/04/2002CN1367967A Apparatus and method for encoding/decoding transport format combination indicator in CDMA mobile communication system
09/03/2002US6445750 Technique for communicating digitally modulated signals over an amplitude-modulation frequency band
09/03/2002US6445731 Method and apparatus for reducing signal processing requirements for transmitting packet-based data with a modem
08/2002
08/29/2002WO2002067614A2 Method for establishing a priority call in a fixed wireless access communication system
08/29/2002WO2002067613A2 Apparatus for reallocating communication resources to establish a priority call in a fixed wireless access communication system
08/29/2002WO2002067527A2 Multicarrier equalisation using multiplication by a leakage matrix
08/29/2002WO2002067526A2 Channel estimation in multicarrier transmission systems
08/29/2002WO2002067525A2 Intercarrier interference cancellation in multicarrier receivers
08/29/2002WO2002067479A2 System and method for spread spectrum communication using orthogonal coding
08/29/2002WO2002067478A1 Mobile communication system, multicarrier cdma transmitter, and multicarrier cdma receiver
08/29/2002WO2002027959A3 Method and apparatus for efficient walsh covering and summing of signals in a communication system
08/29/2002WO2002005506A3 Multiplexing of real time services and non-real time services for ofdm systems
08/29/2002US20020119781 OFDMA with adaptive subcarrier-cluster configuration and selective loading
08/29/2002US20020118765 Method and system for multirate multiuser modulation
08/29/2002US20020118729 Automatic power control system for a code division multiple access (CDMA) communications system
08/29/2002US20020118727 Apparatus and method for transmission diversity using more than two antennas
08/29/2002US20020118722 Automatic power control system for a code division multiple access (CDMA) communications system
08/29/2002US20020118653 Automatic power control system for a code division multiple access (CDMA) communications system
08/28/2002EP1235378A1 Digital data radio receiving device and method
08/28/2002EP1235375A2 Orthogonal code generating circuit
08/28/2002EP1235359A2 Dynamic reselection of CDMA spreading codes