Patents for H04J 1 - Frequency-division multiplex systems (15,293) |
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07/04/2000 | US6084922 Waiting circuit |
07/04/2000 | US6084890 Method and apparatus for combining carrier signals |
06/29/2000 | WO2000038349A1 Mobile communication system and method of operating the same having compressed mode operation |
06/29/2000 | CA2352096A1 Mobile communication system and method of operating the same having compressed mode operation |
06/28/2000 | EP1013043A1 Adaptive bit allocation for variable bandwidth multicarrier communication |
06/28/2000 | EP1013042A1 Prototype signal construction for multicarrier transmission |
06/28/2000 | EP1012962A1 Multi-carrier transmitting apparatus and method |
06/28/2000 | CN1258403A Method and transmitter device for transmitting data symbols from user signals via radio interface of mobile communication system |
06/22/2000 | WO2000036776A1 Transmitting method and transmitting device |
06/22/2000 | CA2320892A1 Communication method and communication system |
06/21/2000 | EP1011282A2 Base station apparatus and transmission branch selection method |
06/21/2000 | EP1011215A2 Optical communication system combining both baseband and passband signals |
06/21/2000 | EP1011192A2 A linear amplifier arrangement |
06/21/2000 | CN1257361A Base station installation and transmitting branch selection method |
06/20/2000 | US6078594 Protocol and procedure for automated channel change in an MPEG-2 compliant datastream |
06/20/2000 | US6078412 Optical transmitter and optical transmission system using the same |
06/20/2000 | CA2157310C Method and apparatus for processing multicarrier signals |
06/16/2000 | CA2291917A1 Optical communication system combining both baseband and passband signals |
06/13/2000 | US6075813 Band insertion and precancellation technique for simultaneous communication of analog frequency modulated and digitally modulated signals |
06/13/2000 | US6075769 Method and apparatus for network flow control |
06/13/2000 | US6075768 Fair bandwidth sharing for video traffic sources using distributed feedback control |
06/13/2000 | US6075633 Light transmission system |
06/06/2000 | US6072779 Adaptive allocation for variable bandwidth multicarrier communication |
06/06/2000 | US6072363 Facility for combining and amplifying two broadband signals |
06/02/2000 | WO2000008864A3 Transmitter of multiple frequency radio communication system |
05/31/2000 | EP1005185A2 Receiver for receiving frequency modulated (FM) transmissions, comprising supplementary information transmitted on a subcarrier |
05/31/2000 | CN1053074C Independent sideband-frequency-modulation double modulation multiplex communication system |
05/30/2000 | US6070064 Information receiving system and a control method thereof |
05/24/2000 | CN1254476A Signal generation and broadcasting |
05/23/2000 | US6067177 Method for sub-carrier multiplexed optical signal transmission and apparatus for same |
05/18/2000 | WO2000028712A2 Cable modem system |
05/18/2000 | WO2000010261A3 Changing a faulty radio channel |
05/17/2000 | EP1000490A1 Methods and apparatus for joint demodulation of adjacent channel signals in digital communications systems |
05/17/2000 | EP1000489A1 Methods and apparatus for canceling adjacent channel signals in digital communications systems |
05/16/2000 | US6064664 Base-band interleaver for code division multiple access mobile telecommunication system |
05/16/2000 | CA2182879C Method and apparatus for mitigating interference in a communication system |
05/09/2000 | US6061568 Method and apparatus for mitigating intermodulation effects in multiple-signal transmission systems |
05/09/2000 | US6061406 Multichannel time shared demodulator and method |
05/09/2000 | US6061392 Apparatus and method for communicating voice and data between a customer premises and a central office |
05/09/2000 | CA2177786C Communication system with repeatedly allocated channel id numbers |
05/03/2000 | EP0997012A1 Wireless telecommunications system with a cdma, fdma and tdma multiple access component, especially a "jd-cdma" telecommunications system with hybrid multiple access techniques |
05/03/2000 | CN1251957A Method and apparatus for bidirectional data exchange on low and middle voltage power lines |
04/27/2000 | WO2000024125A1 Odd-transform fast convolution |
04/26/2000 | EP0996225A1 Amplifier with feedforward loops for rejecting non-linear distortion |
04/26/2000 | EP0995267A2 Multiple mode direct conversion receiver |
04/25/2000 | US6055225 Ring architecture for quad port bypass circuits |
04/25/2000 | CA2143593C Optical frequency translator |
04/19/2000 | EP0993708A1 Method and apparatus for selecting a resource in a communication system with resources having unbalanced load capacity |
04/19/2000 | EP0868795A4 Method and apparatus for integrating video, voice and computer data traffic in a single, conferencing system using existing telephone and catv connections |
04/18/2000 | US6052362 Ethernet repeater data path loopback |
04/12/2000 | EP0993136A1 Transmitter |
04/12/2000 | EP0797892B1 Method of terrestrially transmitting digital signals |
04/12/2000 | CN1250256A Destination relative code using for discreting multitone modulation |
04/12/2000 | CN1051416C A method and apparatus for determining signal usability |
04/11/2000 | US6049551 Method and apparatus for dynamic allocation of transmission bandwidth resources and for transmission of multiple audio signals with a video signal |
04/11/2000 | US6049529 Integration of a path verification message within a signal |
04/05/2000 | EP0991215A1 Non-periodic modular system for retransmission with digital multi-channel |
04/05/2000 | EP0990334A1 Method for transferring data with a plurality of non-equidistant frequency bands |
04/05/2000 | EP0990329A1 Metropolitan wide area network |
04/05/2000 | EP0990311A1 ACTIVATION OF MULTIPLE xDSL MODEMS WITH IMPLICIT CHANNEL PROBE |
04/05/2000 | CN1249887A Method and system for autonomously allocating frequencies to radio system sharing frequencies with overlapping macro radio system |
03/30/2000 | WO2000018142A2 Apparatus and method of searching for pn sequence phase in multi-carrier cdma mobile communication system |
03/30/2000 | WO2000018051A1 Method and apparatus for multiple access communication |
03/30/2000 | WO2000018002A1 Multi-carrier transmitting apparatus and method |
03/28/2000 | US6044090 Method and apparatus for channel management in a communication system |
03/22/2000 | EP0987847A2 Communication network for the distribution of television broadcast signals in a first frequency range and for the transmission of telephone signals in a second frequency range |
03/22/2000 | EP0775409A4 Nonlinear digital communications system |
03/22/2000 | CN1248371A Method and apparatus for analyzing composite carrier signal |
03/22/2000 | CN1248131A TV program broadcasting system |
03/15/2000 | EP0986207A2 Transmission of a subchannel, using a pilot signal |
03/15/2000 | EP0985275A1 Method and apparatus for reserving resources of one or more multiple access communication channels |
03/15/2000 | EP0895683B1 System for radio transmission of digital signals between a plurality of subscriber stations and a base station |
03/08/2000 | EP0984579A1 Transmitting/receiving device and transmitting/receiving method |
03/08/2000 | EP0983707A2 Communication network with improved access protocol |
03/08/2000 | EP0983652A2 Bandwidth management in a heterogenous wireless personal communications system |
03/08/2000 | EP0890227B1 Point-multipoint radio transmission system |
03/07/2000 | US6034965 Multi-stream associative memory architecture for computer telephony |
03/07/2000 | CA2166229C Demodulator control system and a receiver capable of quickly acquiring a desired carrier wave |
03/02/2000 | WO2000011898A1 Multiple frequency allocation radio frequency device and method |
03/02/2000 | WO2000011823A1 Stacked-carrier discrete multiple tone communication technology |
03/02/2000 | CA2340716A1 Stacked-carrier discrete multiple tone communication technology |
03/01/2000 | CN1246220A Intermodulation compensation in multi-channel amplifiers |
02/29/2000 | US6031823 Vehicle communications transceiver with loop-back diagnostic mode |
02/24/2000 | WO2000010261A2 Changing a faulty radio channel |
02/24/2000 | DE19836576A1 Radio channel change method especially for mobile radio system |
02/23/2000 | EP0981222A2 Destination dependent coding for discrete multi-tone modulation |
02/22/2000 | US6029052 Multiple-mode direct conversion receiver |
02/22/2000 | US6028888 Single-channel and multi-channel coherent demodulation devices with no pilot signal, and corresponding receiving system using a plurality of diversity paths |
02/22/2000 | US6028850 Wireless transceiver and frequency plan |
02/22/2000 | US6028838 Navigation apparatus |
02/17/2000 | WO2000008864A2 Transmitter of multiple frequency radio communication system |
02/16/2000 | EP0979563A1 Secondary channel for radio frequency communications |
02/10/2000 | WO2000007399A1 Apparatus, method of and system for improving capacity in a communications network |
02/09/2000 | EP0978999A2 Television program broadcasting system |
02/08/2000 | US6023248 Multiplexed channel beam forming unit |
02/02/2000 | EP0976210A2 Unified access platform |
02/02/2000 | CN1243365A 码分多址接收装置和码分多址通信方法 CDMA receiver and code division multiple access communication method |
01/26/2000 | EP0975097A2 Method and device for bi-directional data exchange over low and medium voltage electric power lines |
01/26/2000 | EP0974232A2 Data transmission method, reception method, and receiver |
01/23/2000 | CA2277741A1 Method and device for bi-directional data exchange over low and medium voltage electric power lines |