Patents for H04W 84 - Network topologies (50,427)
05/1993
05/13/1993WO1993009629A1 Method and apparatus for reserving a communication path in a telepoint communications system
05/12/1993WO1993010601A1 Method and apparatus for reducing interference in a radio communication link of a cellular communication system
05/11/1993US5210746 Communication system network having communication system fallback operation
05/04/1993US5208851 Method for controlling allocation of a communication link
05/01/1993WO1991008621A1 Satellite based global paging system
04/1993
04/28/1993EP0538635A2 Microcellular mobile communication system
04/28/1993EP0538406A1 Paging system
04/27/1993US5206863 Processor-to-processor communications protocol for a public service trunking system
04/27/1993CA1316986C Method and arrangement for channel monitor and control
04/15/1993WO1993007723A1 Method for realising a group call in a digital radio network
04/15/1993WO1993007704A1 Cordless telephone system with inbound calling
04/15/1993WO1993007691A1 A radio frequency local area network
04/15/1993WO1993007685A1 Call control method for a radio system
04/15/1993CA2120520A1 A radio frequency local area network
04/14/1993EP0536864A2 Method and system network for providing an area with limited bandwidth bi-directional burst personal telecommunications
04/14/1993EP0536544A2 Portable telephone system
04/14/1993EP0536539A2 Paging network for transmission of subscriber related paging signals and method for use
04/13/1993US5203017 Method and apparatus for establishing wireless communication with multiple customer stations
04/13/1993US5203011 Method and apparatus for establishing voice and tone signalling communication in a trunked system
04/13/1993US5202912 Method and apparatus for providing telepoint to telepoint calling between pager equipped handsets
04/13/1993CA2005638C Communication system with squelch control
04/09/1993CA2080041A1 Method and system network for providing an area with limited bandwidth bi-directional burst personal telecommunications
04/06/1993US5200954 Communication link between multisite RF trunked network and an intelligent dispatcher console
04/01/1993WO1993006669A1 Digital telephone, cable tv system and local exchange bypass network
04/01/1993CA2118911A1 Digital telephone, cable tv system and local exchange bypass network
03/1993
03/31/1993EP0534716A2 Cellular mobile telephone exchange system
03/24/1993EP0533510A2 Cordless key telephone system with multiple tenant facility
03/24/1993EP0533509A2 Cordless key telephone system for repeating attempts to alert stations located in interference-affected zones
03/24/1993EP0532726A1 Switching arrangement for public switched telephone and public radio mobile networks
03/23/1993CA1314939C Dynamic regrouping for trunked radio systems
03/18/1993WO1993005604A1 Method and apparatus for providing telepoint to telepoint calling between pager equipped handsets
03/18/1993WO1993005586A1 Radio-paging-link-system with only one radio channel
03/16/1993US5195183 Data communication system with communicating and recharging docking apparatus for hand-held data terminal
03/16/1993US5195127 Radio telephone system and its control method
03/10/1993EP0530199A1 A method for automatically executing system reconfigurations
03/09/1993US5193101 On-site system frequency sharing with trunking systems using spread spectrum
03/03/1993EP0529359A2 Private branch exchange with integrated mobile application
03/03/1993CN1069609A Selective call receiver procided with backup device received information
03/03/1993CN1069607A Digital communication network using radio links
03/02/1993US5191607 Ring tone muting with disable
02/1993
02/24/1993EP0528522A2 Digital communication network using radio links
02/24/1993EP0504148A4 Two-way communication system
02/24/1993EP0476127A4 Integrated cellular communications system
02/24/1993EP0474675A4 Method of establishing communication between independent communication systems
02/23/1993US5189670 Data packet transmission system accommodating different substation response times
02/23/1993US5189413 Scanning receiver with manual override of frequency scanning routine
02/23/1993US5189411 Radio signal data transmission synchronization
02/23/1993CA1313899C Method of and apparatus for acknowledging and answering a paging signal
02/18/1993WO1993003553A1 Single channel remote site trunking
02/16/1993US5187805 Telemetry, tracking and control for satellite cellular communication systems
02/16/1993US5187470 Paging system with local channel lists
02/09/1993US5185604 Message indicating icon mechanism
02/03/1993CN1068690A Manifold antenna structure for reducing reuse factors
01/1993
01/27/1993EP0524200A1 Circuit arrangement for telecommunication switching networks, preferably telephone switching networks, consisting of exchanges.
01/26/1993CA1313246C Concentrator system with polling-response means for detecting failures to stop tariff charges on locally established intraoffice calls
01/21/1993WO1993001689A1 Method for carrying out a location updating from a mobile cellular radiophone system to another cellular radiophone system
01/13/1993EP0522295A2 Management connecting device for mobile radio telephone
01/12/1993US5179721 Method for inter operation of a cellular communication system and a trunking communication system
01/12/1993US5179720 Method and apparatus for extended coverage of a trunked radio communications system
01/12/1993US5179374 Communication network prioritization system for mobile unit
01/12/1993US5179373 Information network
12/1992
12/29/1992US5175866 Fail-soft architecture for public trunking system
12/29/1992US5175727 Communication system network interconnecting a plurality of communication systems
12/23/1992EP0462982A4 Paging system with improved acknowledge-back capabilities
12/22/1992US5173933 Interface between mobile telecommunication stations and trunks that link to communication carriers
12/15/1992CA1311526C High speed data interface for land mobile communication system
12/10/1992WO1992022156A1 Spread spectrum wireless telephone system
12/09/1992EP0516651A1 Method and system for establishing link with wireless telephone
12/09/1992EP0231259B1 Nationwide radio paging system
12/09/1992CN1019441B Method of and apparatus for acknowledging and partially answering paging signal
12/08/1992US5170488 Method of switching speech path in radiotelephone system
12/02/1992EP0515512A1 Trunking method and apparatus for establishing communication in a two-way mobile radio system
12/02/1992EP0504151A4 Satellite signalling system having a signal beam with a variable beam area
12/02/1992EP0464142A4 Paging terminal apparatus with user selectable page forwarding capability and methodology therefor
12/01/1992US5168575 Demand driven wide-area radio system resource assignment method and apparatus
12/01/1992US5168271 Paging and time keeping system with transmission of time slot identification used for synchronization
11/1992
11/26/1992WO1992021195A1 Dual mode transmitter and receiver
11/26/1992WO1992017986A3 Switching arrangement for public switched telephone and public radio mobile networks
11/24/1992US5166973 In a telephone system
11/21/1992WO1992021215A1 Cell-type telephone system with extended cell
11/21/1992CA2087542A1 Cell-type telephone system with extended cell
11/14/1992CA2102914A1 Dual mode transmitter and receiver
11/11/1992EP0512787A2 Automatic communications device disablement
11/11/1992EP0512786A2 Integration of wireless paging in a communication system
11/11/1992CA2063359A1 Automatic communications device disablement
11/10/1992US5162790 Multiple transmitter paging system
11/10/1992CA1310097C Channel changing system
11/10/1992CA1310068C System for cooperatively reassigning duties in a multiple controller environment
10/1992
10/29/1992WO1992019059A1 Wireless coupling of devices to wired network
10/28/1992EP0510630A2 Mobile radio communication system
10/28/1992EP0446318A4 Automatic equivalent temporary talkgroup assignment in a roaming trunking environment
10/27/1992US5159713 Watch pager and wrist antenna
10/27/1992US5159701 Method and apparatus for a distributive wide area network for a land mobile transmission trunked communication system
10/27/1992US5159695 Communication system to communication system communication system
10/27/1992US5159625 Method of selecting the cellular system with which a cellular mobile radiotelephone communicates
10/27/1992CA1309480C Packet-switched cellular telephone system
10/27/1992CA1309465C Rf channel expansion in a trunked radio communications system
10/21/1992EP0509510A2 Radio communication adapter connected to mobile station and mobile communication system using the radio communication adapter
10/21/1992CN1018789B Communication system having packet structure field
10/20/1992US5157660 Communication system including portable terminals and fixed terminals