Patents for H04W 84 - Network topologies (50,427)
06/1997
06/04/1997EP0776588A1 Cellular mobile communication system
06/04/1997EP0776587A1 Communication system and call establishment methods
06/04/1997EP0776585A1 Method for controlling subscriber-stations in a radiotelecommunications system
06/04/1997EP0776584A1 Cellular telephone credit card billing system
06/04/1997EP0776583A1 Method of accessing a packet in a cellular digital radio system
06/04/1997EP0776549A1 Paging method and apparatus
06/04/1997EP0667078B1 Process for combining transmitter-receiver pairs of a cordless communications system to form a communicating unit
06/04/1997CN1151238A Method of accessing a packet in a cellular digital radio system
05/1997
05/29/1997WO1997019175A1 Improved microbial production of indigo
05/29/1997CA2646500A1 Improved microbial production of indigo
05/29/1997CA2646494A1 Improved microbial production of indigo
05/29/1997CA2646490A1 Improved microbial production of indigo
05/28/1997EP0775397A1 Method and apparatus for improved message reception at a fixed system receiver
05/28/1997EP0775391A1 Spectrally efficient and high capacity acknowledgment radio paging system
05/27/1997US5634198 Nationwide communication system
05/27/1997US5633911 Method and apparatus for reserving a telephone line in a telepoint communication system
05/27/1997US5633888 Method of using an access point adjacency matrix to establish handoff in a wireless LAN
05/27/1997US5633876 Store and forward repeater
05/27/1997US5633873 Combined fixed and mobile radio communication system and method
05/20/1997US5631898 For transmitting signals to a remote unit
05/20/1997US5631635 Message/response tracking system and method for a two-way selective call receiving device
05/15/1997WO1997017813A1 Improved message processing in two-way data devices
05/14/1997EP0773694A2 Transmission trunked radio system with voice buffering and off-line dialling
05/14/1997EP0772943A2 Establishment of a call in a mobile communication system
05/14/1997EP0772857A1 Education and entertainment device with dynamic configuration and operation
05/13/1997US5630207 Methods and apparatus for bandwidth reduction in a two-way paging system
05/13/1997US5629693 Clandestine location reporting by a missing vehicle
05/09/1997WO1997016936A1 Arrangement and method relating to telecommunications networks
05/09/1997WO1997016935A1 Network directory methods and systems for a cellular radiotelephone
05/09/1997CA2236102A1 Arrangement and method relating to telecommunications networks
05/09/1997CA2233688A1 Network directory methods and systems for a cellular radiotelephone
05/06/1997US5627883 Method for a cordless telephone with division of channels into groups of channels
05/06/1997US5627880 MAHO method for SFH-CDMA/TDMA using punctured frames
05/06/1997US5627876 Call priority override in a land mobile radio system
05/06/1997US5627528 Selective call receiver capable of suspending acknowledge-back signals and method therefor
05/06/1997CA2110029C Mobile radio communication system
05/02/1997EP0770287A1 Airborne radiotelephone communications system
05/01/1997WO1997016042A2 Multisite radio system with false mobile radio signalling detection
05/01/1997WO1997016041A1 Method and apparatus for transmitting data over a trunked radio communications network
05/01/1997WO1997016038A1 Method and apparatus for offering subscribers access to unused communications capacity in a cellular communications system
05/01/1997WO1997013333A3 Distributed circuit switched radiocommunications network
05/01/1997CA2235573A1 Method and apparatus for offering subscribers access to unused communications capacity in a cellular communications system
04/1997
04/30/1997CN1148781A Wide-zone beeping business treatment method for wireless beeping system
04/30/1997CN1148780A Anti-theft method and system thereof for credit card and hand telephone-set
04/30/1997CN1148778A Personal hand telephone system
04/29/1997US5625890 Logging recorder system for trunking radio
04/29/1997US5625889 RF sniffer module and method with a self-test circuit
04/29/1997US5625888 Process for combining transmitting/receiving devices of a cordless communication system to form a communicating unit
04/29/1997US5625886 Method for forming groups of communication terminals and use of same
04/29/1997US5625880 Spectrally efficient and high capacity acknowledgement radio paging system
04/29/1997US5625870 Fraud control for radio fleets in a land mobile radio system
04/29/1997US5625869 System for preventing unauthorized use of a micro cellular system operating in coexistence with a cellular system
04/29/1997US5625672 Apparatus and method for providing a microzone mobile communication system within a cellular telephone system
04/29/1997US5625623 RF site communication link
04/29/1997US5625351 Messaging system having roaming capability
04/24/1997WO1997015160A1 A method for performing handover and roaming in a radio communication environment
04/24/1997WO1997015158A1 Method and system for the exchange of signals in a communications network
04/23/1997EP0769883A2 Apparatus for radio local loop system
04/23/1997EP0769857A2 Integrated cellular communications system
04/23/1997CN1148312A Under-ground and obove-ground
04/23/1997CN1148295A Train radio system and mobile station therefor
04/22/1997CA2075022C Communications resource assignment in a wireless telecommunications system
04/17/1997WO1997014264A1 Communication system providing minimum message transmission delay
04/17/1997WO1997014231A1 Communication transceiver providing unscheduled acknowledge back responses
04/16/1997EP0768012A1 A method and arrangement in an analogue mobile telesystem
04/16/1997CN1147750A Paging system adapted to be called from cordless telephone
04/16/1997CN1147747A System and method for establishing communications with mobileparty
04/10/1997WO1997013384A1 Cordless telecommunication system with backup interoperability of cordless telecommunication applications, in particular of a gap-specific dect system
04/10/1997WO1997013381A1 Method and apparatus for providing an improved caller interface in a fixed cellular communications system
04/10/1997WO1997013380A1 Cellular extension of a fixed communications network
04/10/1997WO1997013333A2 Distributed circuit switched radiocommunications network
04/10/1997WO1997010648A3 System for maintaining receiver/transmitter synchronization with two-way pagers
04/10/1997CA2233668A1 Method and apparatus for providing an improved caller interface in a fixed cellular communications system
04/10/1997CA2233464A1 Cordless telecommunication system with assured interoperability of cordless telecommunications applications, in particular a gap-specific dect system
04/10/1997CA2232634A1 Distributed circuit switched radiocommunications network
04/08/1997US5619503 Cellular/satellite communications system with improved frequency re-use
04/03/1997WO1997012489A1 Time sharing method and apparatus for frequency reuse in cellular communication systems
04/02/1997EP0766490A2 Integrated radio communication system
04/02/1997EP0766427A2 Office communication system
04/02/1997EP0766426A2 Medium access control and air interface subsystem for an indoor wireless ATM network
04/02/1997CN1146845A Direct mode repeater in a mobile radio system
04/02/1997CN1146844A Method and apparatus for RF linking private branch exchange connecting local subscribers
04/02/1997CN1146834A High-speed radiocommunication system
04/02/1997CN1146833A Allocation of time slots in a mobile communication system
04/01/1997USH1641 Connection of mobile devices to heterogenous networks
03/1997
03/27/1997WO1997011564A2 Method for efficient roaming among communication systems
03/26/1997CN1146269A Radiotelecommunications system with supplementary services
03/25/1997US5615393 Computer system having a cordless keyboard and an induction coil in a plug-in electronic card module
03/20/1997WO1997010648A2 System for maintaining receiver/transmitter synchronization with two-way pagers
03/19/1997CN1145712A Communicating on a direct mode channel
03/19/1997CN1145711A Methods and appts. for communicating data via a cellular network control channel
03/19/1997CN1145706A Cellular radio system, repeater and base station
03/18/1997US5613212 Paging method and apparatus
03/18/1997US5613209 Method and apparatus for automatically selecting a radio talkgroup
03/18/1997US5613207 Method for transmitting messages in a communication system
03/18/1997US5613206 Ad Hoc packet data networks using cellular telephone networks
03/18/1997US5613204 Radio telephone subscriber units
03/18/1997US5613201 Automatic call destination/system selection in a radio communication system
03/18/1997US5613198 Multiaccess scheme for mobile integrated local area networks
03/18/1997US5613196 Method and apparatus for a distributive wide area network for a land mobile transmission trunked communication system