Patents
Sitemap › H04 - Electric communication technique › H04J - Multiplex communication › H04J 11 - Orthogonal multiplex systems
Patents for H04J 11 - Orthogonal multiplex systems (25,498)
01/1998
01/20/1998US5710768 Method of searching for a bursty signal
01/14/1998EP0818901A2 Multi-code code division multiple access receiver
01/14/1998CN1170486A Method at OFDM-reception for correction of frequency, time window, sampling clock, and slow phase variation
01/13/1998US5708967 Communications system having diagonally-arranged pairs of signal propagators
01/08/1998WO1998000953A1 Method for simplifying the demodulation in multiple carrier transmission system
01/07/1998EP0815677A1 Multicarrier communication system and method for peak power control
01/07/1998EP0815665A1 Method and system for communication over multiple channels in a spread spectrum communication system
01/06/1998US5706275 Data transmission method, transmitter, and receiver
12/1997
12/31/1997CN1169070A Communication resource allocation method and apparatus
12/29/1997EP0814581A2 CDMA communication method and group spreading modulator
12/29/1997EP0814577A1 Interface unit for a mobile radio communication network
12/24/1997WO1997037456A3 Using orthogonal waveforms to enable multiple transmitters to share a single cdm channel
12/23/1997US5701591 Multi-function interactive communications system with circularly/elliptically polarized signal transmission and reception
12/18/1997WO1997048206A1 Method and apparatus for implementing a wireline transmission connection
12/18/1997CA2257799A1 Method and apparatus for implementing a wireline transmission connection
12/17/1997EP0812500A1 Method and apparatus for providing variable rate data in a communications system using non-orthogonal overflow channels
12/17/1997CN1168205A DAB receiver, apparatus and method for format conversion of DAB data sequence
12/11/1997WO1997047157A1 Broadband digital subscriber loop systems
12/10/1997EP0812087A2 Method for allocating data in a data communication system
12/10/1997CN1167383A Transmission system for digital audio-frequency broadcasting
12/09/1997US5696766 Apparatus and method of synchronizing a transmitter in a subscriber terminal of a wireless telecommunications system
12/04/1997WO1997045987A1 Filter for multicarrier communication system and method for peak power control therein
12/03/1997EP0810742A2 Direct sequence code division multiple access transmission method using pilot symbols
12/03/1997EP0809898A2 Multi-point to point communication system
12/03/1997EP0809895A1 Method and apparatus for using walsh shift keying in a spread spectrum communication system
12/03/1997CN1166762A Radio communication system and method and mobile communication terminal device
12/02/1997US5694414 Multi-band, multi-mode spread-spectrum communication system
12/02/1997US5694389 OFDM transmission/reception system and transmitting/receiving apparatus
11/1997
11/26/1997EP0809403A2 Shared hybrid fiber-coax network having reduced ingress noise
11/26/1997EP0809364A2 Spread spectrum communication system
11/26/1997CN1166257A Method of terrestrially transmitting digital signals
11/26/1997CN1166094A Spread spectrum communication system
11/25/1997US5692016 Process and arrangement for adjusting the local oscillators of a receiver in a multi-channel transmission system
11/19/1997EP0807345A1 Data transmission method, transmitter, and receiver
11/19/1997EP0807342A1 Dab receiver, apparatus and method for a format conversion of a dab data sequence
11/19/1997EP0548205B1 Reception of orthogonal frequency division multiplexed signals
11/12/1997EP0806852A2 A multimode digital modem
11/12/1997EP0806096A1 Network entry channel for cdma systems
11/12/1997CN1164785A Spectrum spread communication system
11/11/1997US5687166 Modulation system for spread spectrum CDMA communication
11/11/1997US5687165 Transmission system and receiver for orthogonal frequency-division multiplexing signals, having a frequency-synchronization circuit
11/06/1997WO1997041691A1 Method and apparatus for combatting ingress and multipath in a catv return channel
11/06/1997WO1997041667A1 Information network access apparatus and methods for communicating information packets via telephone lines
11/06/1997WO1997041647A1 System for radio transmission of digital signals between a plurality of subscriber stations and a base station
11/05/1997EP0804836A1 Method and apparatus for the formatting of data for transmission
11/04/1997US5684484 Method and apparatus for multi-channel digital reception and apparatus of ultrasonic diagnosis
10/1997
10/30/1997WO1997040609A1 Mitigation of radio frequency interference in multi-carrier transmission systems
10/30/1997WO1997040608A1 Digital radio frequency interference canceller
10/30/1997WO1997040588A1 Method and apparatus for interference rejection with different beams, polarizations, and phase references
10/30/1997WO1997040587A1 Radio frequency noise canceller
10/30/1997CA2251946A1 Digital radio frequency interference canceller
10/30/1997CA2251843A1 Method and apparatus for interference rejection with different beams, polarizations, and phase references
10/21/1997US5680394 In a subscriber line based communication system
10/15/1997EP0801486A2 Carrier recovery in a multicarrier receiver
10/15/1997EP0705499B1 Device for amplifying television signals with a predetermined variable operating class for preventing transmission errors
10/15/1997CN1162379A Data transmission method in TDMA mobile communication system
10/15/1997CN1162225A Method for quadrature frequency-division multi-channel sharing, synchronous method, modulator and demodulator
10/14/1997US5677929 Automobile on-board and/or portable telephone system
10/09/1997WO1997037456A2 Using orthogonal waveforms to enable multiple transmitters to share a single cdm channel
10/08/1997EP0800288A2 A transmission system for digital audio broadcasting
10/08/1997EP0799535A1 A practical means for digital generation and combination of a multiplicity of cdma/fdma signals
10/02/1997WO1997036396A1 Forward link carrier recovery in an ocdma spread spectrum communication system without a pilot tone
10/02/1997WO1997036390A1 Block spectrum receiver for a broadband communications system
10/02/1997WO1997036384A1 Point-multipoint radio transmission system
10/01/1997EP0798903A2 Synchronisation of the local oscillator and of the sampling clock in a multicarrier receiver
10/01/1997EP0797892A1 Method of terrestrially transmitting digital signals
10/01/1997EP0797876A2 Circuit array and process for creating a data feedback channel from receiver to transmitter in a common frequency network
10/01/1997CN1161121A Transmission system with improved symbol processing
09/1997
09/30/1997US5673290 ADSL compatible discrete multi-tone apparatus
09/25/1997WO1997035399A2 Time division duplexed multicarrier transmission
09/24/1997EP0797306A2 Reception apparatus for A/D conversion of a received signal
09/24/1997EP0796529A2 Orthogonal code division multiple access communication system having multicarrier modulation
09/18/1997WO1997034421A1 Data transmission using atm over hybrid fiber coax
09/18/1997WO1997034390A1 High speed data communication over unshielded twisted pair
09/18/1997WO1997034382A1 Process and system for the ofdm multi-carrier transmission of digital radio signals
09/18/1997DE19609909A1 Verfahren und System zur OFDM-Mehrträger-Übertragung von digitalen Rundfunksignalen Method and system for OFDM multicarrier transmission of digital broadcast signals
09/17/1997EP0795984A2 Flexible asymmetrical digital subscriber line (ADSL) receiver, central office using same, and method therefor
09/17/1997EP0795977A2 Method of transmitting an ADSL signal simultaneously with an ISDN signal
09/17/1997EP0795971A2 Spread spectrum communication system for mobile system with synchronisation code
09/17/1997CN1159872A Multiple access coding using bent sequences for mobile radio communication
09/16/1997US5668802 Communications system
09/16/1997US5668795 Modulation system for spread spectrum CDMA communiction
09/10/1997CN1159110A Access method, mobile station and base station for CDMA mobile communication system
09/09/1997US5666383 Variable rate discrete multiple tone bidirectional transmission
09/03/1997EP0695484A4 Time alignment in a cdma system
08/1997
08/27/1997CN1158040A Method for transmitting orthogonal frequency division multiplex signal, apparatus for transmitting signal and apparatus for receiving the signal
08/19/1997US5659569 Data burst randomizer
08/14/1997WO1997029568A1 Method and apparatus for joint frequency offset and timing estimation of a multicarrier modulation system
08/13/1997EP0621998B1 Method and apparatus for the formatting of data for transmission
08/13/1997CN1157070A Frame synchronization in multicarrier transmission systems
08/12/1997US5656646 Mixtures of polymers of monoethylenically unsaturated dicarboxylic acids and polymers of ethylenically unsaturated monocarboxylic acids and/or polyaminocarboxylic acids and their use
08/07/1997WO1997028610A1 Fft-based channelizer and combiner employing residue-adder-implemented phase advance
08/06/1997EP0788265A2 Synchronisation in multicarrier systems
08/06/1997EP0788264A2 OFDM transmitter and OFDM receiver
08/06/1997CN1035590C Coding method for broadcasting transmissions
08/05/1997US5654955 Network entry channel for CDMA systems
07/1997
07/31/1997CA2757542A1 Communication system with multicarrier telephony transport
07/31/1997CA2757383A1 Communication system with multicarrier telephony transport
07/31/1997CA2757201A1 Communication system with multicarrier telephony transport
07/31/1997CA2690127A1 Communication system with multicarrier telephony transport
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