Patents
Sitemap › H04 - Electric communication technique › H04W - Wireless communication networks › H04W 84 - Network topologies
Patents for H04W 84 - Network topologies (50,427)
12/1989
12/26/1989US4890315 Cellular remote station with multiple coupled units
12/12/1989US4887265 Packet-switched cellular telephone system
11/1989
11/30/1989WO1989011769A1 Communication system having a packet structure field
11/23/1989EP0342707A2 Flexless telephone system
11/21/1989US4882579 Code division multiplexed acknowledge back paging system
11/16/1989WO1989011193A1 High speed data interface for land mobile communication system
11/16/1989WO1989011126A1 A method and arrangement for channel monitor and control
11/15/1989EP0341609A2 Voice paging system providing deferred paging capability
11/14/1989US4881271 Portable wireless communication systems
11/14/1989US4881073 Paging system with dynamically programmable reception frequencies
11/07/1989US4879740 Wide area cordless telephone system having means for avoiding double registrations
10/1989
10/31/1989US4878051 Paging system with commands for changing functionality of a paging receiver
10/25/1989EP0338765A2 Radio communication system for data transmission and reception
10/24/1989US4876538 Paging system sublocal switch
10/19/1989WO1989010044A1 Paging system with interleaved acknowledge back capability
10/17/1989US4875039 Paging system with transmission protocol compatible with analog and digital transmitters
10/17/1989US4875038 Frequency division multiplexed acknowledge back paging system
10/04/1989EP0335742A2 Mobile communication system and its control method
09/1989
09/27/1989EP0334746A1 Arrangement for the set-up and switching of telephone communications between subscribers of a radio network and/or a wired telephone network
09/27/1989CN1035925A Universal frequency assignment protocol for trunked radio systems
09/26/1989US4870410 Paging system local switch
09/26/1989US4870408 Method for dynamically allocating data channels on a trunked communication system
09/26/1989CA1261395A1 Method for dynamically regrouping subscribers on a communications system
09/26/1989CA1260636A1 Watch pager system and communication protocol
09/20/1989EP0332818A2 Cellular telephone system with shared radio data channels
09/19/1989US4868860 Paging system for entering pages by local telephone call
09/19/1989US4868562 Paging system
09/19/1989US4868560 Voice paging system providing deferred paging capability
09/19/1989US4868558 Paging system lata switch
09/13/1989EP0332465A2 Concentrator system with polling-response means for detecting failures to stop tariff charges on locally established intraoffice calls
09/12/1989US4866710 Reuse groups for scan monitoring in digital cellular systems
09/12/1989US4866431 Paging system hub switch
08/1989
08/30/1989EP0329997A2 Reuse groups for scan monitoring in digital cellular systems
08/24/1989WO1989007873A1 Paging system for entering pages by local telephone call
08/24/1989WO1989007872A1 Paging system
08/24/1989WO1989007871A1 Paging system with transmission protocol compatible with analog and digital transmitters
08/24/1989WO1989007813A1 Paging system local switch
08/24/1989WO1989007812A1 Paging system hub switch
08/24/1989WO1989007811A1 Paging system lata switch
08/24/1989WO1989007810A1 Paging system sublocal switch
08/24/1989WO1989007809A1 Paging system with dynamically programmable reception frequencies
08/24/1989WO1989007808A1 Paging system with commands for changing functionality of a paging receiver
08/22/1989US4860003 Communication system having a packet structure field
08/15/1989CA1258545A1 Communication network capable of automatically informing a subscriber of occurrence of an idle channel
08/10/1989WO1989007380A1 Trunked communication system with nationwide roaming capability
08/02/1989EP0326104A2 Channel changing system
08/02/1989EP0325839A2 Method and apparatus for transmitting data packets from a plurality of stations in a time division multiplexed communication system
07/1989
07/18/1989CA1257653A1 Radio communication system with power saving disablement prior to call handling processes
07/13/1989WO1989006476A1 Frequency division multiplexed acknowledge back paging system
07/13/1989WO1989006472A1 Acknowledge back pager with adaptive variable transmitter output power
07/13/1989WO1989006410A1 Acknowledge back pager with apparatus for controlling transmit frequency
07/13/1989WO1989006409A1 Acknowledge back pager with frequency control apparatus
07/13/1989WO1989006407A1 Code division multiplexed acknowledge back paging system
07/11/1989CA1257416A1 Wireless pbx/lan system with optimum combining
06/1989
06/28/1989EP0321672A2 Transmission trunked radio system with voice buffering and off-line dialing
06/21/1989EP0321454A2 A method of operating a multiple access communications system
06/13/1989US4839892 Concentrator system capable of completing emergency calls under congested traffic
06/06/1989US4837858 Subscriber unit for a trunked voice/data communication system
05/1989
05/30/1989US4835731 Processor-to-processor communications protocol for a public service trunking system
05/24/1989CN1004319B Duplex interconnect / dispatch trunked radio system
05/23/1989US4833702 Telephone registration and cancellation control in a wide area cordless telephone system
05/23/1989US4833701 Trunked communication system with nationwide roaming capability
05/16/1989US4831373 Method for dynamically allocating data channels on a trunked communication system
05/11/1989DE3736446A1 Radio transmission system
05/09/1989US4829554 Cellular mobile telephone system and method
04/1989
04/25/1989US4825193 Acknowledge back pager with adaptive variable transmitter output power
04/19/1989EP0311966A2 Subscriber-concentrated communication system
04/18/1989US4823123 Decomposition of blowing agent, releasing gas
04/18/1989CA1252822A1 Spread spectrum wireless pbx
04/11/1989US4821310 Transmission trunked radio system with voice buffering and off-line dialing
04/11/1989US4821292 Adaptive limiter/detector which changes time constant upon detection of dotting pattern
03/1989
03/28/1989US4817190 Method for dynamically regrouping subscribers on a communications system
03/28/1989US4817089 Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels
03/07/1989US4811420 Initialization of communication channel between a subsciber station and a base station in a subscriber communication system
03/07/1989CA1250900A1 Private cellular system
03/01/1989EP0304955A2 Radio concentrator system capable of completing calls under congested traffic
02/1989
02/28/1989CA1250673A1 Subscriber rf telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of rf channels
02/22/1989CN1031305A Base station for wireless digital telephone system
02/07/1989US4803679 Communication network capable of automatically informing a subscriber of occurrence of an idle channel
01/1989
01/25/1989EP0300721A2 Colocated cellular radiotelephone systems
01/17/1989US4799253 Colocated cellular radiotelephone systems
12/1988
12/29/1988WO1988010547A1 Improved signalling method for establishing trunked communication
12/27/1988US4794649 Radio communication system with power saving disablement prior to call handling processes
12/20/1988US4792948 For a communication network
12/15/1988WO1988009969A1 Process-to-processor communications protocol for a public service trunking system
11/1988
11/30/1988EP0293014A2 Control station and radio communication network system comprising a connecting equipment unit operable in different modes
11/22/1988USRE32789 Transmission trunk multichannel dispatch system with priority queuing
11/17/1988EP0291068A2 Telephone registration and cancellation control in a wide area cordless telephone system
11/16/1988CN88102106A Trunked communication system for voice and data
11/15/1988US4785450 Apparatus and method for obtaining frequency agility in digital communication systems
11/03/1988WO1988008649A1 Portable communications receiver with separate information presentation means and improved battery saving function
11/03/1988WO1988008648A1 Method for dynamically allocating data channels on a trunked communication system
11/03/1988WO1988008647A1 Subscriber unit for a trunked voice/data communication system
11/03/1988WO1988008646A1 Trunked communication system for voice and data
10/1988
10/12/1988EP0165929B1 Control of telecommunication switching systems
10/11/1988US4777633 Base station for wireless digital telephone system
10/05/1988EP0285522A1 Method for call management in a radio network with a plurality of interconnected stations operating at the same frequency by means of a server
10/05/1988EP0285165A2 Wide area cordless telephone system having means for avoiding double registrations
10/04/1988US4775998 Method of assigning voice radio channels
10/04/1988US4775997 System for interfacing a standard telephone set with a radio transceiver
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