| Patents for H04J 1 - Frequency-division multiplex systems (15,293) |
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| 04/09/1998 | WO1998015153A1 Method and apparatus for mitigating intermodulation effects in multiple-signal transmission systems |
| 04/09/1998 | WO1998015083A2 Signal transformation method and apparatus |
| 04/08/1998 | CN1178436A Base-band interleaver for code devision multiple access mobile telecommunication system |
| 04/01/1998 | EP0832528A1 Reverse path allocation and contention resolution scheme for a broadband communications system |
| 04/01/1998 | EP0832463A1 An improved periodic wireless data broadcast |
| 03/26/1998 | WO1998005138A3 Testing facility for a broadband communications system |
| 03/25/1998 | EP0831611A2 Digital signal processing apparatus for frequency demultiplexing or multiplexing |
| 03/25/1998 | EP0831597A2 An information receiving system and a control method therefor |
| 03/18/1998 | EP0829989A2 Method for transmission and reception of digital multiplexed multi-carrier signals, transmission apparatus and receiving apparatus therefor |
| 03/18/1998 | EP0679300A4 A wireless packet data communications modem and method of use therein. |
| 03/17/1998 | US5729607 Non-linear digital communications system |
| 03/12/1998 | WO1998010542A2 Transmitting and receiving method and radio system |
| 03/11/1998 | EP0827655A1 Method and apparatus for joint frequency offset and timing estimation of a multicarrier modulation system |
| 03/11/1998 | EP0827652A1 Digital communications on overlapping channels |
| 03/05/1998 | WO1998009383A1 Frequency division multiplexed transmission of sub-band signals |
| 03/05/1998 | WO1998009348A1 Method of tuning summing network of base station |
| 03/04/1998 | CN1175332A Method for avoiding interference in a cable telephony system |
| 03/01/1998 | CA2184541A1 Method and apparatus for wavelet modulation of signals for transmission and/or storage |
| 02/25/1998 | EP0825742A2 Method and apparatus for receiving and synchronising a multicarrier signal |
| 02/25/1998 | EP0825736A2 Simultaneous communication of analog frequency-modulated and digitally modulated signals using precanceling |
| 02/25/1998 | EP0824796A1 Method and equipment for multirate coding and detection in a multiple access mobile communication system |
| 02/24/1998 | US5722053 Multiple frequency communication device |
| 02/17/1998 | US5719883 Adaptive ARQ/FEC technique for multitone transmission |
| 02/17/1998 | US5719873 Frame-synchronous reproducing circuit |
| 02/17/1998 | US5719872 Reverse path allocation and contention resolution scheme for a broadband communications system |
| 02/11/1998 | CN1173253A Method and apparatus for generating plural quadrature modulated carriers |
| 02/11/1998 | CN1173252A Frequency agile broadband communications system |
| 02/05/1998 | WO1998005138A2 Testing facility for a broadband communications system |
| 02/05/1998 | WO1998005117A1 Method and apparatus for mitigating distortion effects in the determination of signal usability |
| 02/04/1998 | CN1172566A Multiple access digital transmitter and receiver |
| 01/28/1998 | CN1171677A Communication method, communication apparatus, reception method, and reception apparatus |
| 01/28/1998 | CN1171654A AM data compound modulation apparatus |
| 01/27/1998 | US5712876 Radio station apparatus and signal transmission method thereof |
| 01/20/1998 | US5710797 Method and apparatus for digital communication in the presence of closely spaced adjacent channels |
| 01/20/1998 | US5710763 Filtered fast Fourier transmultiplexer and method |
| 01/15/1998 | WO1998001969A1 Digital signal processing system for transmission of digital fdm signals |
| 01/15/1998 | DE19628321C1 Multiplex method for two sub=carriers |
| 01/15/1998 | DE19627786A1 Digitale Signalverarbeitungseinrichtung Digital signal processing means |
| 01/14/1998 | EP0818894A2 Optical signal tranmsitting apparatus and optical transmission system having such an optical signal transmitting apparatus |
| 01/14/1998 | CN1170286A Signal light outputting apparatus and optical transmission system having signal light outputting apparatus |
| 01/13/1998 | US5708682 Demodulator control system and a receiver capable of quickly acquiring a desired carrier wave |
| 01/08/1998 | WO1998000953A1 Method for simplifying the demodulation in multiple carrier transmission system |
| 01/08/1998 | DE19723891A1 Cable communication system e.g. for telephone services |
| 01/07/1998 | EP0817416A2 Method for sub-carrier multiplexed optical signal transmission and apparatus for same |
| 01/06/1998 | US5706280 Transmission quality monitoring system for a digital communication network |
| 01/06/1998 | US5706275 Data transmission method, transmitter, and receiver |
| 01/06/1998 | US5706111 Optical communications network |
| 12/24/1997 | WO1997049209A1 Adaptive packet training |
| 12/21/1997 | CA2355194A1 Wideband speech decoder |
| 12/18/1997 | WO1997048206A1 Method and apparatus for implementing a wireline transmission connection |
| 12/18/1997 | CA2257799A1 Method and apparatus for implementing a wireline transmission connection |
| 12/16/1997 | US5699363 Digital signal processing apparatus |
| 12/10/1997 | EP0811277A1 Joint demodulation using spatial maximum likelihood |
| 12/04/1997 | WO1997045966A1 Channel hopping in a radio communications system |
| 12/04/1997 | DE19627274C1 Digital signal processing device |
| 12/04/1997 | CA2253274A1 Channel hopping in a radio communications system |
| 12/03/1997 | EP0810753A2 Multiple access transmitting and receiving system employing multiplexing of multicarrier signals |
| 12/02/1997 | US5694396 Method and apparatus for processing multicarrier signals |
| 12/02/1997 | US5694395 Method and apparatus for processing multicarrier signals |
| 11/26/1997 | CN1166257A Method of terrestrially transmitting digital signals |
| 11/25/1997 | US5691987 Frequency-channel multiplexer and demultiplexer |
| 11/25/1997 | US5691983 Communication system with repeatedly allocated channel ID numbers |
| 11/19/1997 | EP0807344A1 Method and apparatus for generating plural quadrature modulated carriers |
| 11/12/1997 | CN1164946A Method and apparatus for transmultiplexer multi-channel information |
| 11/12/1997 | CN1164780A Multiple beam wireless telecommunication system |
| 11/06/1997 | WO1997041647A1 System for radio transmission of digital signals between a plurality of subscriber stations and a base station |
| 11/05/1997 | EP0804833A1 Frequency synchronized bidirectional radio system |
| 10/30/1997 | WO1997040586A1 Transmit sequencing |
| 10/22/1997 | EP0802644A2 Variable-bandwith frequency division multiplex communication system |
| 10/22/1997 | CN1036237C Method of detecting a paging channel in a multi-frequency radio pager network |
| 10/21/1997 | US5680388 Method and arrangement for dynamic allocation of multiple carrier-wave channels for multiple access by frequency division of multiplexing |
| 10/15/1997 | EP0800737A1 Multiple access digital transmitter and receiver |
| 10/15/1997 | CN1162377A Multiple band radio |
| 10/09/1997 | WO1997037455A1 Method for assigning communication resources in a communication system |
| 10/09/1997 | WO1997037454A1 Apparatus and method for spectrum management in a multipoint communication system |
| 10/08/1997 | EP0799535A1 A practical means for digital generation and combination of a multiplicity of cdma/fdma signals |
| 10/02/1997 | WO1997036433A1 Point-multipoint radio transmission system |
| 10/02/1997 | WO1997036384A1 Point-multipoint radio transmission system |
| 10/02/1997 | DE19612108A1 Punkt-zu-Mehrpunkt Funkübertragungssystem Point-to-multipoint radio transmission system |
| 10/01/1997 | EP0797892A1 Method of terrestrially transmitting digital signals |
| 10/01/1997 | EP0701752A4 A method and apparatus for determining signal usability |
| 09/18/1997 | DE19608183A1 Verfahren und Anordnung zum Verbessern des Ausnutzungsgrades von Telekommunikationskanälen in örtlich konzentrierten, asynchronen, drahtlosen Telekommunikatonssystemen Method and system for improving the degree of utilization of telecommunication channels in locally concentrated, asynchronous, wireless Telekommunikatonssystemen |
| 09/17/1997 | EP0795232A1 Universal radio architecture for low-tier personal communication system |
| 09/12/1997 | WO1997033385A1 Process and design for improving the utilization rate of telecommunications channels in locally concentrated, asynchronous wireless telecommunications systems |
| 09/12/1997 | CA2247960A1 Method and arrangement for improving the degree of utilization of telecommunication channels in locally concentrated, asynchronous, wireless telecommunication systems |
| 09/10/1997 | EP0794628A2 Optical receiving apparatus |
| 09/10/1997 | EP0643887A4 A multi-channel digital transmitter and receiver. |
| 09/04/1997 | WO1997032413A1 Multiple access communications system and method using code and time division |
| 09/04/1997 | WO1997032412A1 Subtractive multicarrier cdma access methods and systems |
| 09/03/1997 | EP0793290A2 Modular contiguous output multiplexer |
| 08/27/1997 | EP0792047A2 Node interconnection using multiple channels |
| 08/27/1997 | EP0791980A2 Multiple beam wireless telecommunication system |
| 08/27/1997 | CN1158040A Method for transmitting orthogonal frequency division multiplex signal, apparatus for transmitting signal and apparatus for receiving the signal |
| 08/19/1997 | US5659546 Wideband frequency signal digitizer and method |
| 08/14/1997 | WO1997029568A1 Method and apparatus for joint frequency offset and timing estimation of a multicarrier modulation system |
| 08/13/1997 | CN1157070A Frame synchronization in multicarrier transmission systems |
| 08/12/1997 | US5657323 Method and apparatus for signal transmission in a communication system |
| 08/07/1997 | WO1997028611A1 Synchronization and downconversion in tdm/tdma systems |
| 08/07/1997 | WO1997028610A1 Fft-based channelizer and combiner employing residue-adder-implemented phase advance |
| 08/06/1997 | EP0787412A1 Transmitting digital data using multiple subcarriers |