Patents
Sitemap › H04 - Electric communication technique › H04J - Multiplex communication › H04J 11 - Orthogonal multiplex systems
Patents for H04J 11 - Orthogonal multiplex systems (25,498)
11/1998
11/19/1998WO1998052294A1 Wide band transmission through wire
11/18/1998EP0878933A1 Receiving apparatus and methods
11/18/1998EP0878930A1 Code generating method and code selecting method
11/18/1998EP0878077A1 Forward link carrier recovery in an ocdma spread spectrum communication system without a pilot tone
11/18/1998CN1199313A Communication method, transmitter and receiver
11/17/1998US5838913 Control message transmission in telecommunications systems
11/17/1998US5838799 Digital sound broadcasting using a dedicated control channel
11/17/1998US5838734 Compensation for local oscillator errors in an OFDM receiver
11/17/1998US5838667 For use in a subscriber line based communication system
11/12/1998WO1998051067A1 Method and apparatus for reducing signal processing requirements for transmitting packet-based data with a modem
11/12/1998WO1998037703A3 Channel allocation in radio band
11/11/1998EP0877504A1 Method for data transmission as well as transmitter and receiver
11/10/1998US5835487 Receiver for receiving a time domain multiplex downlink signal
11/05/1998WO1998049850A1 Communications webs for pstn subscribers
11/05/1998WO1998049790A1 Method and apparatus for transmission and reception of a transmission rate in a cdma communication system
11/05/1998CA2255596A1 Communications webs for pstn subscribers
11/04/1998EP0876025A1 Receiving apparatus and receiving methods
11/04/1998EP0876003A1 CDMA modulator
11/04/1998CN1198052A Method and apparatus for synchronizing carrier frequency of orthogonal frequency division multiplexing transmission system
11/03/1998US5832387 Adaptive power allocating method and apparatus for multicarrier transmission system
11/03/1998CA2118227C Coordinated coding for digital transmission
10/1998
10/28/1998EP0874494A2 Multiple access method using multicarrier modulation
10/28/1998EP0874485A2 Receiver for digital audio broadcast
10/28/1998CN1197358A Apparatus and method for configuring data channel for symmetric/asymmetric data transmission
10/28/1998CN1197342A Adaptive channel equalizer for use in digital communication system utilizing OFDM method
10/22/1998WO1998047248A1 System for transmitting high-speed added-value services in terrestrial digital broadcasting
10/21/1998EP0872985A2 Symbol synchronisation in multicarrier receivers
10/21/1998EP0872062A2 Apparatus and method of controlling transmitting power and transmit rate of a wireless telecommunications system
10/21/1998EP0872060A2 Transmitting and receiving method and radio system
10/21/1998EP0872026A1 Apparatus and method of establishing and maintaining communication paths in a wireless telecommunications system
10/21/1998EP0533887B1 Method and apparatus for accommodating a variable number of communication channels in a spread spectrum communication system
10/21/1998CN1196839A Transmission process in which conversion oscillator signal is synthesised by means of fractional N-phase-shift control loop
10/21/1998CN1196621A Estimator of error rate
10/20/1998US5825807 System and method for multiplexing a spread spectrum communication system
10/15/1998WO1998045968A1 Method and device for cdma duplex data communication
10/15/1998DE19715022A1 System zur Übertragung hochratiger Mehrwertdienste im terrestrischen Rundfunk A system for transmitting high-rate value-added services in terrestrial broadcasting
10/13/1998US5822368 Method for use in a receiver
10/07/1998EP0869648A2 Carrier synchronisation in a multicarrier receiver
10/07/1998EP0869647A2 System of multicarreir modulation with dynamically scalable operating parameters
10/07/1998EP0869646A2 Complementary encoding and modulation for multicarrier transmission
10/07/1998CN1195453A Broadband digital subscriber loop systems
10/07/1998CN1195442A Pulse shaping for multicarrier modulation
10/06/1998US5819000 Magnetic recording and playback apparatus
10/06/1998US5818813 Orthogonal frequency division multiplexing transmission system and transmitter and receiver adapted to the same
10/01/1998WO1998043382A1 Method for reducing redundant transmissions of data groups
09/1998
09/30/1998EP0868041A2 Apparatus for receiving digital audio broadcast signals
09/30/1998EP0700612A4 Method and apparatus for time division multiplexing the use of spreading codes in a communication system
09/30/1998CN1194749A Filter for multicarrier communication system and method for peak power control therein
09/30/1998CN1194520A Optic frequency division multiplexing reference carrier replay device
09/30/1998CN1194519A Demodulation method and its device, receiving method and its device, and communication device
09/30/1998CN1194517A Precision FFT window position recovery apparatus of orthogonal frequency-division multiplexer system receiver
09/29/1998US5815798 Apparatus and method of controlling transmitting power in a subscriber terminal of a wireless telecommunications system
09/24/1998DE19712144A1 Verfahren zur Reduzierung von redundanten Übertragungen von Datengruppen Method for reducing redundant transmissions of data groups
09/24/1998DE19708626A1 Radio communications system using spread spectrum process
09/23/1998EP0866580A2 Error rate estimator for PSK signals
09/23/1998EP0866577A2 Band insertion and precancellation technique for simultaneous communications of analog frequency-modulated and digitally modulated signals
09/23/1998EP0611505B1 Coding method for fdm broadcast transmissions, transmitter and receiver for carrying out the method
09/23/1998CN1194071A Code division multiple access with clipping function
09/23/1998CN1193875A Apparatus for correcting frequency offset in OFDM receiving system
09/22/1998US5812600 Method and apparatus for mitigating distortion effects in the determination of signal usability
09/22/1998CA2146439C Method and apparatus for encryption having a feedback register with selectable taps
09/17/1998WO1998032263A3 High-data-rate supplemental channel for CDMA telecommunications system
09/17/1998DE19811066A1 Information signal distribution apparatus for CDMA system
09/16/1998EP0865181A2 Method of reducing cochannel interference
09/16/1998EP0864209A1 Multi-function interactive communications system with circularly/elliptically polarized signal transmission and reception
09/16/1998CN1193441A Method for the common transmission of digital and analogue modulated radio broad casting and/or television broadcasting signals
09/16/1998CN1193228A Cent multi-address telcommunication method
09/15/1998US5809093 Apparatus and method of frame aligning information in a wireless telecommunications system
09/15/1998US5809060 Apparatus for communicating data between at least two data devices
09/15/1998US5808925 Arithmetic unit and method for fourier transform
09/11/1998WO1998039882A1 Improvements in ultrafast time hopping cdma-rf
09/09/1998EP0863644A2 An FFT-based multitone DPSK modem
09/09/1998CN1192831A Apparatus and method of establishing and maintaining communication paths in a wireless telecommunications system
09/08/1998US5805583 Process for communicating multiple channels of digital data in distributed systems using synchronous code division multiple access
09/08/1998US5805567 Orthogonal modulation scheme
09/08/1998US5805485 Arithmetic unit and method for fourier transform
09/04/1998CA2213559A1 An fft-based multitone dpsk modem
09/03/1998WO1998038758A2 Orthogonal code synchronization system and method for spread spectrum cdma communications
09/02/1998EP0861549A1 Method of synchronizing a digital signal receiver
09/02/1998EP0771497B1 Multiple carrier transmission in common wave broadcasting networks
09/02/1998CN1192304A Automatic power control system for a code division multiple access (CDMA) communication system
09/02/1998CN1192089A Demodulator for demodulation spread spectrum signal and its method
09/01/1998US5802117 Method and apparatus for joint frequency offset and timing estimation of a multicarrier modulation system
08/1998
08/27/1998WO1998037703A2 Channel allocation in radio band
08/27/1998WO1998019410A3 Single chip vlsi implementation of a digital receiver employing orthogonal frequency division multiplexing
08/26/1998WO1999043114A1 Method and apparatus for signal reception, and medium
08/26/1998EP0860071A1 System and method for multiplexing a spread spectrum communication system
08/25/1998US5799033 Method of error protected transmission, method of error protected reception of data and transmission system for transmission of data
08/25/1998US5799011 CDMA power control channel estimation using dynamic coefficient scaling
08/25/1998US5799010 Code division multiple access (CDMA) communication system
08/19/1998EP0858695A1 Apparatus and method for digital data transmission
08/19/1998CN1191045A Control message transmission in telecommunications system
08/18/1998US5796814 Digital transmission system comprising a receiver with cascaded equalizers
08/18/1998US5796776 Code sequence generator in a CDMA modem
08/18/1998US5796772 Multi-band, multi-mode spread-spectrum communication system
08/18/1998CA2137460C Method and apparatus for power estimation in an orthogonal coded communication system
08/18/1998CA2077343C Method and apparatus for providing high data rate traffic channels in a spread spectrum communication system
08/13/1998WO1998035463A2 Method for frequency division duplex communications
08/12/1998CN1190511A Time division duplexed high speed data transmission system and method
08/12/1998CN1190510A Using orthogonal waveforms to enable multiple transmitters to share single CDM channel
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