| Patents for H04J 1 - Frequency-division multiplex systems (15,293) |
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| 01/20/2000 | WO2000003509A1 An improved wireless transceiver and frequency plan |
| 01/19/2000 | EP0973117A2 System for short range wireless data communication to inexpensive endpoints |
| 01/13/2000 | WO1999055027A9 Optimized integrated high capacity digital satellite trunking network |
| 01/11/2000 | US6014386 System and method for high speed communication of video, voice and error-free data over in-wall wiring |
| 01/11/2000 | US6014366 Variable-bandwidth frequency division multiplex communication system |
| 01/05/2000 | EP0968609A1 Signal generation and broadcasting |
| 01/04/2000 | US6011800 Hierarchical resource management method, system, base station, head-end unit and subscriber unit for variable resource size communication systems |
| 12/29/1999 | EP0967763A1 Multicarrier receiver with per-carrier RLS frequency domain equalisation |
| 12/29/1999 | CN1240075A Direct satellite direct broadcast system |
| 12/29/1999 | CA2276537A1 Multicarrier receiver |
| 12/28/1999 | US6009490 System having plurality of nodes with respective memories and an arbiter for performing arbitration of connection line use for transfer of data between nodes |
| 12/28/1999 | US6009073 Method for transmitting an orthogonal frequency division multiplex signal, apparatus for transmitting the signal and apparatus for receiving the signal |
| 12/28/1999 | US6008919 Optical receiving apparatus |
| 12/28/1999 | CA2161118C A method and apparatus for determining signal usability |
| 12/22/1999 | EP0965243A2 Method and system for autonomously allocating frequencies to a radio system sharing frequencies with an overlapping macro radio system |
| 12/21/1999 | US6005873 Apparatus and method for concurrent voice and data transmission |
| 12/16/1999 | WO1999065172A1 A method and apparatus for digital channelisation and de-channelisation |
| 12/16/1999 | WO1999049687A3 Communication network with improved access protocol |
| 12/15/1999 | EP0963643A2 Method and apparatus for analyzing a composite carrier signal |
| 12/14/1999 | US6002676 Method and apparatus for selecting a resource in a communication system with resources having unbalanced load capacity |
| 12/09/1999 | WO1999063692A1 Device and method for generating and distributing coded symbols in cdma communication system |
| 12/08/1999 | EP0962783A2 Apparatus for measuring electrical characteristics of circuit |
| 12/08/1999 | EP0771496B1 Frame synchronization in multicarrier transmission systems |
| 12/07/1999 | US5999575 Channel separating filter apparatus, PSK demodulator apparatus and PSK receiver apparatus each equipped with channel separating filter apparatus |
| 12/07/1999 | US5999569 Communication system |
| 12/02/1999 | DE19823235A1 Verfahren zur Mehrkanalübertragung über ein Medium gegebener Bandbreite A method for multichannel transmission over a given bandwidth medium |
| 12/01/1999 | EP0961515A1 Data modulation method, and related modulator and demodulator devices |
| 12/01/1999 | EP0961434A2 Method for multi-channel transmission through a medium of given bandwidth |
| 11/30/1999 | US5995689 Optical divider |
| 11/30/1999 | US5995168 Digital video receiver |
| 11/30/1999 | US5995147 Communication method, transmission apparatus, transmission method, receiving apparatus and receiving method |
| 11/29/1999 | CA2272801A1 Data modulation method, and related modulator and demodulator devices |
| 11/23/1999 | US5991334 Technique for simultaneous communications of analog frequency-modulated and digitally modulated signals using postcanceling scheme |
| 11/23/1999 | US5991271 Signal-to-channel mapping for multi-channel, multi-signal transmission systems |
| 11/17/1999 | EP0957532A2 Multiple frequency band antenna |
| 11/17/1999 | EP0956671A1 Satellite direct radio broadcast system |
| 11/17/1999 | EP0956667A1 Method and apparatus for variably allocating upstream and downstream communication spectra |
| 11/17/1999 | CN1235741A Method of combining several signals, and base station |
| 11/17/1999 | CN1235438A System, apparatus and method for multi-carrier transmission |
| 11/16/1999 | US5987069 Method and apparatus for variably allocating upstream and downstream communication spectra |
| 11/16/1999 | US5987037 Multiple beam wireless telecommunication system |
| 11/16/1999 | US5987006 Transmission method in network system using multiplex line, network system using the transmission method, and terminal equipment used in the network system |
| 11/10/1999 | EP0955744A2 Capacity allocation for ADSL |
| 11/10/1999 | EP0955736A2 Method and apparatus for providing power control in a multi-carrier wide band CDMA system |
| 11/10/1999 | CN1234707A Mobile communication system, communication control method and base station and mobile station used thereof |
| 11/09/1999 | US5983078 Channel spacing for distortion reduction |
| 11/06/1999 | CA2271226A1 Methods and apparatus for providing power control in a multi-carrier wide band cdma system |
| 11/04/1999 | WO1999056425A1 Transmitter |
| 11/04/1999 | WO1999056424A1 Orthogonal frequency division multiplexing receiver system |
| 11/03/1999 | CN1234149A Frequency Division multiplexed transmission of sub-band signals |
| 11/02/1999 | US5978421 Envelope control unit and digital modulator using the envelope control unit and digital modulation method |
| 10/28/1999 | WO1999055027A1 Optimized integrated high capacity digital satellite trunking network |
| 10/28/1999 | CA2329344A1 Optimized integrated high capacity digital satellite trunking network |
| 10/27/1999 | EP0951763A2 Method for frequency division duplex communications |
| 10/21/1999 | WO1999053679A1 Transmission method for subscriber line |
| 10/21/1999 | WO1999053667A1 Method and apparatus for fine frequency synchronization in multi-carrier demodulation systems |
| 10/21/1999 | WO1999053666A1 Coarse frequency synchronisation in multicarrier systems |
| 10/21/1999 | WO1999053665A1 Frame structure and frame synchronization for multicarrier systems |
| 10/21/1999 | WO1999053664A1 Differential coding and carrier recovery for multicarrier systems |
| 10/20/1999 | CN1232327A Multi-carrier transmission system and method thereof |
| 10/19/1999 | US5970061 Transmission space diversity controlling method and transmission space diversity apparatus |
| 10/19/1999 | US5970047 Communications method, communication apparatus, reception method, and reception apparatus |
| 10/13/1999 | EP0949830A2 Power control method and system using idle time in mobile communication system |
| 10/13/1999 | EP0949772A2 Radio Data System (RDS) demodulator for receiving broadcast programmes carrying both Radio Data signals and ARI signals, comprising a digital filter means for obtaining a high attenuation of ARI signals |
| 10/12/1999 | CA2219283C An improved periodic wireless data broadcast |
| 10/07/1999 | WO1999050987A1 Transmitting/receiving device and transmitting/receiving method |
| 10/07/1999 | WO1999050984A1 System, device, and method for selecting a channel in a multichannel communication network |
| 10/07/1999 | WO1999050967A1 ACTIVATION OF MULTIPLE xDSL MODEMS WITH IMPLICIT CHANNEL PROBE |
| 10/07/1999 | CA2290357A1 Transmission/reception apparatus and transmission/reception method |
| 10/06/1999 | CN2342521Y Structure improved display screen with display variation |
| 10/05/1999 | US5963685 Cross-connection of wavelength-division-multiplexed high speed optical channels |
| 10/05/1999 | US5963561 Method and apparatus for bandwidth reuse in a communication network |
| 10/05/1999 | US5963557 High capacity reservation multiple access network with multiple shared unidirectional paths |
| 10/05/1999 | US5963549 Fixed wireless loop system having baseband combiner predistortion summing table |
| 10/05/1999 | US5963090 Automatic predistortion adjusting circuit having stable non-linear characteristics regardless of input signal frequency |
| 10/05/1999 | CA2178815C Device and method for multiplexing signal |
| 09/30/1999 | WO1999049687A2 Communication network with improved access protocol |
| 09/29/1999 | EP0946071A2 Cellular system and frequency carrier allocation method therefor |
| 09/29/1999 | EP0944967A1 Digital satellite direct broadcast system |
| 09/29/1999 | EP0944953A1 Intermodulation compensation in multi-channel amplifiers |
| 09/28/1999 | CA2181807C Wideband frequency signal digitizer and method |
| 09/28/1999 | CA2181362C Interconnected passive optical networks |
| 09/28/1999 | CA2108233C Method and apparatus for reducing the peak-to-average power in multi-carrier rf communication systems |
| 09/21/1999 | US5956440 Optical transmission line for wavelength division multiplexed optical signals |
| 09/21/1999 | US5956330 Bandwidth management in a heterogenous wireless personal communications system |
| 09/21/1999 | CA2168811C Multichannel optical fiber communications |
| 09/15/1999 | EP0942566A2 Reduction of peak to average power ratio in multicarrier systems |
| 09/15/1999 | EP0941588A1 Method and device for mixed analog and digital broadcast of a radio programme broadcast by the same transmitter |
| 09/14/1999 | US5953470 Circuit for optical WDM system |
| 09/14/1999 | US5953348 Multiple channel terminal server communications network |
| 09/14/1999 | US5953319 For use on a terrestrial vehicle |
| 09/14/1999 | US5953045 Channel selection type radio transmission apparatus |
| 09/14/1999 | CA2129102C Feedback level estimator between loudspeaker and microphone |
| 09/10/1999 | WO1999045683A1 System and method for spectrally efficient transmission of digital data over optical fiber |
| 09/10/1999 | CA2320762A1 System and method for spectrally efficient transmission of digital data over optical fiber |
| 09/07/1999 | US5949767 Reception unit for receiving a frequency division multi-accessed signal based on plural spread signals and method for receiving the same |
| 09/01/1999 | EP0909490A4 Adaptive packet training |
| 08/31/1999 | US5946321 Multi-topology network communication link interface |
| 08/25/1999 | EP0937366A2 Method of combining several signals, and base station |
| 08/25/1999 | CN1227027A Improved channel spacing for distortion reduction |