Patents
Patents for H04J 11 - Orthogonal multiplex systems (25,498)
03/1999
03/10/1999EP0901259A2 Correction of phase and/or frequency offsets in multicarrier signals
03/09/1999US5881363 Method and apparatus for combatting ingress and multipath in a CATV return channel
03/09/1999US5881099 Signal processing circuit for spread spectrum communications
03/09/1999US5881056 Method and apparatus of a multi-code code division multiple access receiver having shared accumulator circuits
03/03/1999EP0899920A2 Radio communication system, transmitting apparatus, radio communication control apparatus, receiving apparatus, and radio communication method
02/1999
02/25/1999WO1999009656A2 Method and circuit layout for the transmission of messages by means of approximating hermitian functions
02/24/1999EP0898403A1 Apparatus for receiving digital information signals
02/24/1999EP0898393A2 Pseudo-orthogonal code generating method and device
02/24/1999EP0898381A2 Equalizing method and equalizer for ofdm receiver
02/24/1999EP0858695A4 Apparatus and method for digital data transmission
02/24/1999CN1209236A Point-multi point radio transmission system
02/24/1999CN1209007A Equalizing method for OFDM receiver and equalizer
02/24/1999CN1209001A Equalizing method and equalizer for OFDM receiver
02/23/1999CA2154795C An apparatus and method for digitally processing signals in a radio frequency communication system
02/18/1999WO1999008427A1 Method and device for combined measurement of the beginning of a data block and carrier frequency shift in a multicarrier transmission system in f classes
02/18/1999DE19735097A1 Message transmission method
02/17/1999EP0896767A1 Information network access apparatus and methods for communicating information packets via telephone lines
02/11/1999WO1999007090A1 Method and apparatus for transmitting signals in a communication system
02/11/1999WO1998052312A3 Method and apparatus for superframe bit allocation in a discrete multitone (dmt) system
02/11/1999DE19835418A1 Digital message transmission reception unit
02/11/1999DE19733825A1 Verfahren und Anordnung zur kombinierten Messung des Anfangs eines Datenblocks und des Trägerfrequenzversatzes in einem Mehrträgerübertragungssystem für unregelmäßige Übertragung von Datenblöcken Method and arrangement for the combined measurement of the beginning of a data block and the carrier frequency offset in a multi-carrier transmission system for irregular transfer of data blocks
02/10/1999EP0896425A2 Receiving apparatus for digital broadcasting
02/10/1999EP0895683A1 System for radio transmission of digital signals between a plurality of subscriber stations and a base station
02/09/1999US5870378 Method and apparatus of a multi-code code division multiple access receiver having a shared accumulator circuits
02/09/1999CA2127616C Mobile communication unit
02/04/1999WO1999005798A1 Radio communication system
02/04/1999WO1999005797A2 Communication system and method with orthogonal block encoding
02/03/1999EP0895387A1 Detection of the transmission mode of a DVB signal
02/03/1999EP0894390A1 Digital radio frequency interference canceller
02/03/1999EP0894389A1 Mitigation of radio frequency interference in multi-carrier transmission
02/03/1999EP0894367A1 Method and apparatus for interference rejection with different beams, polarizations, and phase references
02/03/1999EP0894364A1 Radio frequency noise canceller
02/03/1999CN1206966A Method for receiving multiple carrier digital signal
02/02/1999US5867532 Data reception apparatus, data transmission apparatus and method thereof
02/02/1999US5867527 Method of searching for a bursty signal
02/02/1999CA2175242C Wideband fft channelizer
01/1999
01/28/1999WO1999004525A1 Cdma direct spread overlay system and method of operation
01/28/1999CA2294507A1 Cdma direct spread overlay system and method of operation
01/27/1999EP0749649B1 Digital broadcast systems for local transmissions
01/27/1999CN1206317A Communication method, base station and terminal apparatus
01/21/1999WO1999003227A2 Method for eliminating interference in an ofdm radio receiver
01/21/1999WO1999003225A1 Rate detection for variable rate cdma communication system
01/21/1999WO1999003224A1 Channelization code allocation for radio communication systems
01/21/1999CA2295813A1 Channelization code allocation for radio communication systems
01/20/1999EP0892509A2 Communication method, transmitter, receiver, and cellular radio communication system
01/20/1999CN1205580A Diversity receiver unit of quadrature frequency allocation multiplex signals
01/19/1999US5862189 Receiver for receiving a transmission signal
01/19/1999US5862182 OFDM digital communications system using complementary codes
01/14/1999WO1999001994A2 A subscriber unit and method for use in a wireless communication system
01/13/1999EP0891067A2 A telecommunications system for providing both narrowband and broadband services to subscribers
01/13/1999EP0890231A1 Block spectrum receiver for a broadband communications system
01/13/1999EP0890227A1 Point-multipoint radio transmission system
01/13/1999CN1205142A Transmitting and receiving method and radio system
01/12/1999US5859843 Framing technique for a multi-rate CDMA communication system
01/07/1999EP0889615A2 Multicarrier transmission with variable data rate
01/06/1999CN1204431A Satellite direct radio broadcast system
01/05/1999US5856971 Code division multiple access system providing variable data rate access to a user
12/1998
12/30/1998WO1998059523A2 Dynamic bandwidth allocation to transmit a wireless protocol across a code division multiple access (cdma) radio link
12/30/1998WO1998059474A1 Method for transferring data with a plurality of non-equidistant frequency bands
12/30/1998WO1998059451A1 Method and device for variable-speed transmission
12/30/1998WO1998059447A2 PROTOCOL CONVERSION AND BANDWIDTH REDUCTION TECHNIQUE PROVIDING MULTIPLE nB+D ISDN BASIC RATE INTERFACE LINKS OVER A WIRELESS CODE DIVISION MULTIPLE ACCESS COMMUNICATION SYSTEM
12/30/1998WO1998059428A1 Wireless communications system for transmitting and receiving data with increased data rates and robustness
12/30/1998EP0887977A2 Generation of addresses for a coefficient memory in an equaliser for multicarrier signals
12/30/1998EP0886926A1 Time division duplexed multicarrier transmission
12/30/1998EP0886923A1 Process and system for the ofdm multi-carrier transmission of digital radio signals
12/29/1998CA2170094C Ofdm transmission/reception system and transmitting/receiving apparatus
12/23/1998WO1998058496A2 Transmission of digital signals by orthogonal frequency division multiplexing
12/23/1998WO1998058489A1 Vdsl modem divided into a digital and an analog part
12/23/1998WO1998058472A2 High rate data transmission using a plurality of low data rate channels
12/23/1998WO1998058457A2 Reduced peak-to-average amplitude multichannel link
12/23/1998EP0886408A2 Multicarrier modulation using guard intervals to reduce the effects of discontinuities
12/23/1998EP0658295B1 Digital signal transmission system using frequency division multiplex
12/22/1998US5852633 Method for allocating data in a data communication system
12/17/1998WO1998057472A1 Adaptive bit allocation for variable bandwidth multicarrier communication
12/16/1998EP0884921A1 Transmission of pilot information channel of each operator in a radio communications system with mobile stations
12/16/1998EP0705500A4 Method and apparatus for utilizing multiple spreading codes in a communication system
12/15/1998US5850394 CDMA communications system using multiplexed signaling data lines
12/09/1998EP0882377A1 Adaptive channel allocation in a frequency division multiplexed system
12/09/1998CN1201310A Multi-carrier-wave transmission interleaving apparatus and method thereof
12/08/1998US5848107 Transmission system with improved symbol processing
12/08/1998US5848097 Transceiver apparatus employing wideband FFT channelizer and inverse FFT combiner for a multichannel communication network
12/03/1998WO1998054875A1 Carrier recovery in dab receivers
12/02/1998EP0881804A1 Method and system for the determination of the symbol transmission format in a transmission system
12/02/1998EP0881792A2 Method of receiving programs, and use of this method in a DAB receiver
12/02/1998CN1200850A Method of receiving and searching a signal transmitting in bursts
12/01/1998US5844950 Cross polarization interference canceler and cross polarization interference eliminating apparatus using the same
11/1998
11/26/1998WO1998053572A1 Improved method for partially modulating and demodulating data in a multi-carrier transmission system
11/26/1998WO1998038758A3 Orthogonal code synchronization system and method for spread spectrum cdma communications
11/26/1998CA2289537A1 Single side-band modulation system for use in digitally implemented multicarrier transmission systems
11/26/1998CA2289529A1 Improved method for partially modulating and demodulating data in a multi-carrier transmission system
11/25/1998EP0880250A1 Receiving apparatus and receiving methods
11/25/1998EP0880101A2 Apparatus and method for Fast Fourier Transform
11/25/1998EP0879523A1 Multi-carrier symbol synchronisation
11/25/1998EP0776557A4 Multi-band, multi-mode spread-spectrum communication system
11/25/1998CN1200214A Method of synchronizing a digital signal receiver
11/24/1998US5841813 Digital communications system using complementary codes and amplitude modulation
11/24/1998US5841806 Method and apparatus for the transmission of energy-scaled variable rate data
11/19/1998WO1998052313A1 Receiver and receiving circuit
11/19/1998WO1998052312A2 Method and apparatus for superframe bit allocation in a discrete multitone (dmt) system
11/19/1998WO1998052307A1 Variable rate transmission and reception methods, and variable rate transmission and reception devices