| Patents for H04J 1 - Frequency-division multiplex systems (15,293) |
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| 03/25/1999 | DE19741681A1 Base station e.g. for Cordless Telephone System |
| 03/24/1999 | EP0903897A1 Method and arrangement to determine a clock timing error in a multi-carrier transmission system and related synchronisation units |
| 03/24/1999 | EP0852087B1 Method for the common transmission of digital and analogue modulated radio broadcasting and/ or television broadcasting signals |
| 03/24/1999 | EP0783812A4 Method and apparatus for transmultiplexer a multi-channel information signal |
| 03/23/1999 | US5886803 Bilateral optical transmission system and optical transceiver for pulse information |
| 03/17/1999 | EP0627139B1 Feedback level estimator between loudspeaker and microphone |
| 03/16/1999 | US5883901 Communications system including synchronization information for timing upstream transmission of data and ability to vary slot duration |
| 03/10/1999 | EP0901276A2 Data transmission method for embedded data, data transmitting and reproducing apparatures and information recording medium therefor |
| 03/04/1999 | WO1999011016A1 Apparatus and method for concurrent voice and data transmission |
| 03/03/1999 | EP0899895A1 Coherent demodulation of spread spectum signals without pilot signal |
| 02/24/1999 | CN1209236A Point-multi point radio transmission system |
| 02/16/1999 | CA2119503C Wavelength division multiplexed optical communication transmitters |
| 02/10/1999 | EP0896426A1 Method for simulating a nonlinear amplifier with envelope memory |
| 02/10/1999 | EP0895683A1 System for radio transmission of digital signals between a plurality of subscriber stations and a base station |
| 02/10/1999 | EP0895674A1 Transmit sequencing |
| 02/10/1999 | EP0716789A4 Communication system for communicating with a plurality of selective call receivers and method therefor |
| 02/10/1999 | CN1207853A Point-multipoint radio transmission system |
| 02/10/1999 | CN1207632A Method to provide information concerning frequency band, head-end and terminal realizing such method |
| 02/09/1999 | CA2180363C Methods and apparatus for providing virtual service selection in a multi-service communications system |
| 02/07/1999 | CA2243447A1 Single-channel and multichannel coherent demodulation devices with no controller, and corresponding reception set with several paths of variety |
| 02/04/1999 | WO1999005833A1 Methods and apparatus for joint demodulation of adjacent channel signals in digital communications systems |
| 02/04/1999 | WO1999005832A1 Methods and apparatus for canceling adjacent channel signals in digital communications systems |
| 02/04/1999 | CA2297700A1 Methods and apparatus for canceling adjacent channel signals in digital communications systems |
| 02/04/1999 | CA2297662A1 Methods and apparatus for joint demodulation of adjacent channel signals in digital communications systems |
| 02/03/1999 | CN1206974A Method for determing swtiching on frequency band and first and last end of realized said method |
| 02/02/1999 | US5867776 Receiver for receiving text-based multiplex broadcasts |
| 02/02/1999 | US5867532 Data reception apparatus, data transmission apparatus and method thereof |
| 02/02/1999 | US5867479 Digital multi-channel demultiplexer/multiplex (MCD/M architecture) |
| 02/02/1999 | CA2175242C Wideband fft channelizer |
| 01/28/1999 | WO1999004512A1 Wireless telecommunications system with a cdma, fdma and tdma multiple access component, especially a 'jd-cdma' telecommunications system with hybrid multiple access techniques |
| 01/28/1999 | WO1998047251A3 Unified access platform distributing atm cells and telephony signals to subscriber premises over twisted wire pairs |
| 01/27/1999 | CN1206318A Channel allocation method and circuit for testing trunk line in radio communication system |
| 01/26/1999 | US5864672 Communication network |
| 01/26/1999 | CA2149263C Network apparatus and method for providing two-way broadband communications |
| 01/20/1999 | CN1205588A Method to provide information concerning frequency band, head-end, network terminator and terminal realizing such method and communication access network including such head-end, such network terminal |
| 01/14/1999 | WO1999001933A2 Multiple mode direct conversion receiver |
| 01/14/1999 | WO1998042092A3 Improved channel spacing for distortion reduction |
| 01/14/1999 | WO1998039939A3 Method and system for autonomously allocating frequencies to a radio system sharing frequencies with an overlapping macro radio system |
| 01/13/1999 | EP0891087A1 Method to determine an access frequency band, a head-end and a first terminal realizing such a method and a communication access network including such a head-end and such a terminal |
| 01/13/1999 | EP0891086A1 A method to provide information concerning a frequency band, a head-end, a network terminator and a terminal realizing such a method and a communication access network including such a head-end, such a network terminator and such a terminal |
| 01/13/1999 | EP0891085A1 A method to provide information concerning a frequency band, a head-end and a terminal realizing such a method and a communication access network including such a head-end and such a terminal |
| 01/13/1999 | EP0890271A1 Point-multipoint radio transmission system |
| 01/13/1999 | EP0890227A1 Point-multipoint radio transmission system |
| 01/13/1999 | EP0890224A1 Channel hopping in a radio communications system |
| 01/13/1999 | CN1205142A Transmitting and receiving method and radio system |
| 01/12/1999 | US5859854 System and method for frequency multiplexing antenna signals |
| 01/12/1999 | US5859853 Between the nodes |
| 01/10/1999 | CA2240753A1 A method to provide information concerning a frequency band, a head-end and a terminal realizing such a method and a communication access network including such a head-end and such a terminal |
| 01/10/1999 | CA2240748A1 Method to determine an access frequency band, a head-end and a first terminal realizing such a method and a communication access network including such a head-end and such a terminal |
| 01/10/1999 | CA2240650A1 A method to provide information concerning a frequency band, a head-end, a network terminator and a terminal realizing such a method and a communication access network including such a head-end, such a network terminator and such a terminal |
| 01/07/1999 | WO1999000915A1 Method and apparatus for selecting a resource in a communication system with resources having unbalanced load capacity |
| 01/07/1999 | EP0889615A2 Multicarrier transmission with variable data rate |
| 01/07/1999 | EP0889614A2 Automatic rate adaptation |
| 01/07/1999 | EP0888672A1 Apparatus and method for spectrum management in a multipoint communication system |
| 01/06/1999 | CN1204431A Satellite direct radio broadcast system |
| 12/30/1998 | WO1998059474A1 Method for transferring data with a plurality of non-equidistant frequency bands |
| 12/30/1998 | WO1998044744A3 Data transmission method, reception method and receiver using several multiple access methods |
| 12/30/1998 | WO1998044667A3 Bandwidth management in a heterogenous wireless personal communications system |
| 12/23/1998 | WO1998058477A1 Metropolitan wide area network |
| 12/23/1998 | EP0885494A1 Process and design for improving the utilization rate of telecommunications channels in locally concentrated, asynchronous wireless telecommunications systems |
| 12/23/1998 | EP0658295B1 Digital signal transmission system using frequency division multiplex |
| 12/17/1998 | WO1998057472A1 Adaptive bit allocation for variable bandwidth multicarrier communication |
| 12/16/1998 | EP0883941A1 Multiple access communications system and method using code and time division |
| 12/16/1998 | EP0883940A1 Subtractive multicarrier cdma access methods and systems |
| 12/10/1998 | WO1998044666A3 Integration of a path verification message within a signal |
| 12/09/1998 | EP0787384B1 De/multiplexer of frequency bands |
| 12/09/1998 | CN1201310A Multi-carrier-wave transmission interleaving apparatus and method thereof |
| 12/08/1998 | US5848097 Transceiver apparatus employing wideband FFT channelizer and inverse FFT combiner for a multichannel communication network |
| 12/08/1998 | US5848060 Cellular/satellite communications system with improved frequency re-use |
| 12/08/1998 | US5847660 Method for avoiding interference in a cable telephony system |
| 12/03/1998 | WO1998054850A2 Method and apparatus for wireless communication employing control for confidence metric bandwidth reduction |
| 12/03/1998 | WO1998038807A3 Method and apparatus for analyzing a composite carrier signal |
| 12/03/1998 | CA2304756A1 Method and apparatus for wireless communication employing control for confidence metric bandwidth reduction |
| 12/02/1998 | EP0763291A4 Frequency agile broadband communications system |
| 12/02/1998 | EP0719484A4 Broadband communications system |
| 12/02/1998 | CN1200864A Method and appartus for frequency planning in a multi-system cellular communications network |
| 11/26/1998 | WO1998037706A3 Method and apparatus for allocating spectral resources in a wireless communication system |
| 11/26/1998 | DE19747370C1 Multiple access wireless mobile telecommunication system |
| 11/24/1998 | US5842010 Periodic wireless data broadcast |
| 11/18/1998 | EP0761042A4 Method and apparatus for mitigating interference in a communication system |
| 11/17/1998 | US5838799 Digital sound broadcasting using a dedicated control channel |
| 11/17/1998 | US5838675 Channelized receiver-front-end protection circuit which demultiplexes broadband signals into a plurality of different microwave signals in respective contiguous frequency channels, phase adjusts and multiplexes channels |
| 11/10/1998 | US5835487 Receiver for receiving a time domain multiplex downlink signal |
| 11/05/1998 | WO1998049791A1 Secondary channel for radio frequency communications |
| 11/04/1998 | CN1198046A Weak signal resolver |
| 10/28/1998 | EP0874495A2 Modulation apparatus, for the modulation of digital signals |
| 10/28/1998 | EP0874470A2 Power saving circuit |
| 10/28/1998 | EP0874469A2 Weak signal resolver |
| 10/28/1998 | EP0769226A4 Method and system for management of frequency spectrum among multiple applications on a shared medium |
| 10/22/1998 | WO1998047252A2 Personal audio message processor and method |
| 10/22/1998 | WO1998047251A2 Unified access platform distributing atm cells and telephony signals to subscriber premises over twisted wire pairs |
| 10/22/1998 | WO1998047236A1 Method and apparatus for reserving resources of one or more multiple access communication channels |
| 10/22/1998 | CA2286043A1 Personal audio message processor and method |
| 10/21/1998 | EP0872060A2 Transmitting and receiving method and radio system |
| 10/20/1998 | US5825829 Modulator for a broadband communications system |
| 10/18/1998 | CA2232132A1 Modulator for modulating digital signals |
| 10/13/1998 | US5822679 CATV communication system and a CATV center equipment and CATV terminal units |
| 10/08/1998 | WO1998044744A2 Data transmission method, reception method and receiver using several multiple access methods |
| 10/08/1998 | WO1998044667A2 Bandwidth management in a heterogenous wireless personal communications system |
| 10/08/1998 | WO1998044666A2 Integration of a path verification message within a signal |