| Patents for H04J 4 - Combined time-division and frequency-division multiplex systems (1,442) |
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| 10/02/2003 | US20030185229 Reservation-based media access controller and reservation-based optical network |
| 10/02/2003 | US20030185228 TDMA receiver |
| 10/02/2003 | US20030185167 Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels |
| 10/01/2003 | EP1349307A1 OCDM-System in which nodes are allocated different bit rates |
| 09/25/2003 | US20030180050 OCDM system |
| 09/03/2003 | CN1120580C Method and device for reserving resources |
| 07/31/2003 | US20030142646 Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels |
| 07/23/2003 | EP0700616B1 A frequency agile radio |
| 07/23/2003 | CN1115823C Radio transmission method for digital multimedia data signals between subscriber station in local network |
| 07/03/2003 | WO2003055113A1 System and method of disharmonic frequency multiplexing |
| 07/01/2003 | US6587238 Transmitting an optical signal with corresponding WDM and TDM channels |
| 06/19/2003 | WO2003050682A1 Disk driver cluster management of time shift buffer with file allocation table structure |
| 06/12/2003 | WO2003003617A3 Communications systems |
| 06/11/2003 | EP1159791B1 Data transmission method and radio link system |
| 06/10/2003 | US6577612 Transmission system for transmitting digital signals on a radio subscriber line network |
| 06/05/2003 | US20030105918 Disk driver cluster management of time shift buffer with file allocation table structure |
| 04/29/2003 | CA2238641C Satellite direct radio broadcast system |
| 04/22/2003 | US6552832 Telecommunications system including transmultiplexer installed between digital switch and optical signal transmission fiber |
| 04/16/2003 | CN1410299A Communication methoe of motor vehicle spread spectrum CDMA and time division polling |
| 04/15/2003 | CA2296091C Method and apparatus for adaptive control of forward error correction codes |
| 04/10/2003 | US20030067895 Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels |
| 04/09/2003 | EP0914727B1 Short-range radio communications system and method of use |
| 04/08/2003 | CA2296078C Multicarrier demux/demod (mcdd) wireless network architecture |
| 04/01/2003 | CA2296076C Method and apparatus for minimizing delay variance via time divided transmissions |
| 03/27/2003 | WO2003026226A1 Allocation of bit streams for communication over multi-carrier frequency-division multiplexing (fdm) |
| 03/27/2003 | WO2003026179A1 Mapping of bit streams into mpeg frames |
| 03/27/2003 | WO2003026178A1 Multi-carrier frequency-division multiplexing (fdm) architecture for high speed digital service |
| 03/27/2003 | WO2003026150A1 Ethernet over multi-carrier frequency-division multiplexing (fdm) |
| 03/27/2003 | WO2003026144A2 Multi-carrier frequency-division multiplexing (fdm) architecture for high speed digital service in local networks |
| 03/27/2003 | US20030058885 Multi-carrier frequency-division multiplexing (FDM) architecture for high speed digital service in local networks |
| 03/27/2003 | CA2460581A1 Allocation of bit streams for communication over multi-carrier frequency-division multiplexing (fdm) |
| 03/26/2003 | EP0993709A4 Multicarrier demux/demod (mcdd) wireless network architecture |
| 03/20/2003 | US20030053493 Allocation of bit streams for communication over-multi-carrier frequency-division multiplexing (FDM) |
| 03/20/2003 | US20030053484 Multi-carrier frequency-division multiplexing (FDM) architecture for high speed digital service |
| 03/20/2003 | US20030053476 Mapping of bit streams into MPEG frames |
| 03/18/2003 | US6535503 Channel allocation method and radio system using a combination of TDMA and CDMA |
| 03/04/2003 | US6529488 Multiple frequency allocation radio frequency device and method |
| 02/26/2003 | CN1102327C Wireless communication system apparatus, and method to communicate using plurality of communication slots in time division multiple access technique |
| 02/25/2003 | US6526064 Method for transmitting on a plurality of transmission media, with dynamic data dispatching, and corresponding transmitter and terminal |
| 02/19/2003 | EP0995277A4 Method and apparatus for minimizing delay variance via time divided transmissions |
| 02/18/2003 | US6522657 Method of assigning time slots, as well as system, center, and subscriber facility for carrying out this method |
| 02/12/2003 | CN1101639C Channel allocation method and radio system using combination of TDMA and CDMA |
| 02/05/2003 | CN1101093C Shared frequency signal removing device |
| 01/29/2003 | CN1100407C Apparatus for multi-rate simulcast communications |
| 01/14/2003 | CA2158588C Multiple channel terminal server communications network |
| 01/09/2003 | WO2003003617A2 Communications systems |
| 12/19/2002 | US20020191534 Techniques for communicating information using prime-frequency waveform mapping |
| 12/10/2002 | CA2249868C Method for establishment of the power level for uplink data transmission in a multiple access system for communications networks |
| 11/12/2002 | US6480475 Method and system for accomodating a wide range of user data rates in a multicarrier data transmission system |
| 11/07/2002 | US20020163879 Multi-carrier communication with time division multiplexing and carrier-selective loading |
| 10/15/2002 | US6466557 Transmission channel allocation method and allocation apparatus |
| 10/08/2002 | US6463096 MAC protocol employing multiple data rates |
| 09/24/2002 | US6456633 Unified distributed voice and data local area networking |
| 08/21/2002 | CN1365555A Method and apparatus for a talk group call in wlreless communication system |
| 08/13/2002 | US6433715 High-speed serial-to-parallel and analog-to-digital conversion |
| 08/08/2002 | US20020106009 Methods and apparatus for transmultiplexing a multi-channel signal |
| 07/25/2002 | WO2002058300A1 Multi-carrier communication with time division multiplexing and carrier-selective loading |
| 07/02/2002 | US6415005 Digital communication apparatus |
| 07/02/2002 | US6414983 Digital communication apparatus |
| 06/26/2002 | EP1217780A2 Method and Apparatus for collision detection during the login procedure of subscribers in a TDMA communication system |
| 06/26/2002 | EP1216557A1 Method for transmitting an offset modulated biorthogonal multicarrier signal (bfdm/om) |
| 06/25/2002 | US6411611 Communication systems, communication methods and a method of communicating data within a DECT communication system |
| 06/12/2002 | EP0754378B1 High speed bidirectional digital cable transmission system |
| 06/11/2002 | US6404779 System and method of disharmonic frequency multiplexing |
| 05/21/2002 | US6393077 Correction detecting device and its method |
| 05/21/2002 | US6393002 Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels |
| 05/15/2002 | EP0832463A4 An improved periodic wireless data broadcast |
| 05/08/2002 | CN1348263A Time division multiple access (TDMA)/frequency division multiple access (FDMA)/code division multiple access (CDMA) mixing wireless switch-in method |
| 04/25/2002 | US20020048287 System and method of disharmonic frequency multiplexing |
| 04/17/2002 | CN1083187C TDMA/FDMA/CDMA hybrid radio access method |
| 04/09/2002 | US6370153 Method and apparatus for reserving resources of one or more multiple access communication channels |
| 04/03/2002 | CN1343404A 数据传输方法和无线电链路系统 Data transmission method and a radio link system |
| 03/20/2002 | EP1188271A2 Method and apparatus for a talkgroup call in a wireless communication system |
| 03/13/2002 | CN1080956C TDMA communication method and device |
| 03/12/2002 | US6356371 Method and a circuit for concatenating binary information, and use in optical packet transmission |
| 02/21/2002 | US20020021679 Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels |
| 02/07/2002 | US20020015453 Receiver and method of receiving for an FDMA/TDMA radio system |
| 01/02/2002 | EP0925693A4 Method and apparatus for allocating spectral resources in a wireless communication system |
| 12/25/2001 | US6333916 Wireless communication system, apparatus, and method to communicate using a plurality of communication slots in time division multiple access technique |
| 12/25/2001 | CA2166832C Portable radio telephones and methods of operation |
| 12/20/2001 | WO2001073985A3 Method and apparatus for a talkgroup call in a wireless communication system |
| 12/19/2001 | CN1076553C Method and apparatus for transmultiplexer multi channel information |
| 12/05/2001 | EP1159791A1 Data transmission method and radio link system |
| 11/22/2001 | US20010043613 Method and system for resource allocation in broadband wireless networks |
| 11/21/2001 | EP0711475B1 A method for improving the audibility of a broadcast control channel |
| 11/15/2001 | WO2000054434A8 Data transmission method and radio link system |
| 10/30/2001 | US6310867 Portable radio telephone and methods of operation |
| 10/23/2001 | US6307658 Method and apparatus for decompressing pulses making up a binary optical signal |
| 10/17/2001 | EP0676105B1 Method and arrangement for dynamic allocation of multiple carrier-wave channels for multiple access by frequency division multiplexing |
| 10/10/2001 | EP0995283A4 A method and apparatus for segmentation, reassembly and inverse multiplexing of packets and atm cells over satellite/wireless networks |
| 10/09/2001 | US6301316 Frequency sharing mobile communication system equipped with diversity receiver incorporated with shared wave canceller |
| 10/04/2001 | WO2001073985A2 Method and apparatus for a talkgroup call in a wireless communication system |
| 10/02/2001 | US6297022 Method of identifying agonists and antagonists for tumor necrosis related receptor TR1 |
| 09/26/2001 | EP1135885A1 A receiver and method of receiving for an fdma/tdma radio system |
| 09/13/2001 | US20010020908 High-speed serial-to-parallel and analog-to-digital conversion |
| 09/12/2001 | EP1131908A1 Apparatus and methods for unidirectional data communication |
| 09/11/2001 | US6289006 Method and apparatus for changing carrier frequencies in each time slot in a telecommunications process |
| 09/04/2001 | US6285665 Method for establishment of the power level for uplink data transmission in a multiple access system for communications networks |
| 08/28/2001 | US6282180 Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels |
| 08/14/2001 | US6275506 Radio transmission method for digital multimedia data signals between subscriber stations in a local network |