Patents for H04W 84 - Network topologies (50,427)
06/2002
06/19/2002EP1215849A1 Method and system for exchanging information between a principle base station and a cluster of mobile stations
06/19/2002EP1215848A1 Radio transmitter & receiver
06/19/2002EP1215845A1 System and method for accessing an application server
06/19/2002EP0872034B1 Method and apparatus for providing acknowledgments within a communication system
06/19/2002EP0738452B1 Selective call system
06/19/2002CN1354926A Method of and equipment for performing radio communication environments
06/19/2002CN1354566A Position register device, position register method and mobile communication net
06/18/2002US6408183 Method of demanding registration of a wireless local loop terminal
06/18/2002US6408180 Ubiquitous mobile subscriber station
06/18/2002US6408003 Method and apparatus for resolving ambiguity in reception of multiple retransmitted frames
06/18/2002US6407991 Communication network providing wireless and hard-wired dynamic routing
06/13/2002WO2002047407A2 Method and apparatus for handoff of a wireless packet data services connection
06/13/2002WO2002047317A1 Transmission control method in a radio access network implementing an automatic repetition request (aqr) protocol at the base station (aqr)
06/13/2002US20020073240 Server
06/13/2002US20020072375 Apparatus, system and method for allocating upstream and downstream channels in a cellular communication system having a wireless backhaul
06/13/2002US20020072361 Airborne constellation of communications platforms and method
06/13/2002US20020072332 Communication system using multiple link terminals for aircraft
06/13/2002US20020072328 Method of managing a mobile radio network, and a mobile radio network infrastructure
06/13/2002US20020071416 Ad hoc wide area network access method and system
06/13/2002US20020071409 System and method for controlling signal strength over a reverse link of a CDMA wireless communication system
06/13/2002US20020071401 Command processing method and radio communication apparatus
06/12/2002EP1213935A2 Cordless phone system capable of supporting a broadcast mode
06/12/2002EP1213934A2 Hierarchical call control with selective broadcast audio messaging system
06/12/2002EP1213921A2 Recording apparatus remote programming procedure and arrangement
06/12/2002EP1212915A1 Control system comprising means for setting up a short distance second data transmitting connection to a wireless communication device in order to send an identification message
06/12/2002EP1212912A1 Apparatus, and associated method, for facilitating communication handovers in a radio communication system
06/12/2002EP1212845A2 Power estimation method
06/12/2002EP1068751B1 Method and mobile element for setting up telecommunication links in telecommunication systems involving wireless telecommunication, especially in dect-gap systems and telecommunication system involving wireless telecommunication, especially a dect/gap system
06/12/2002EP0873610B1 Method and apparatus for providing roaming instructions to data communication receivers
06/12/2002EP0606396B1 A radio frequency local area network
06/12/2002CN1353911A Point-to-multipoint two-way broadband wireless communication system
06/11/2002US6405044 Cellular communications system
06/11/2002US6405038 Cellular carrier selection system incorporating a preferred list of system identification codes (SIDs) corresponding to preferred cellular carriers
06/11/2002US6405027 Group call for a wireless mobile communication device using bluetooth
06/11/2002US6404772 Voice and data wireless communications network and method
06/11/2002US6404761 Communications webs with personal communications links for PSTN subscribers
06/11/2002US6404753 Method and apparatus for controlling access to a communication channel
06/11/2002US6404751 Common control channel dynamic frequency assignment method and protocol
06/06/2002WO2002045347A1 A method in short range rf communication
06/06/2002WO2002025872A3 Message handover for networked beacons
06/06/2002WO2002021788A3 Method and system for testing a contents server
06/06/2002WO2002019561A3 Establishing a group call session
06/06/2002WO2001041317A3 Call diversion system
06/06/2002US20020069416 Methods and apparatus for multipoint-to-multipoint hierarchical redistribution of multimedia content
06/06/2002US20020068595 Controller for providing dormant mode for a group communication network
06/06/2002US20020068570 Method and apparatus for handoff of a wireless packet data services connection
06/06/2002US20020068561 Cordless phone system capable of supporting a broadcast over broadcast mode
06/06/2002US20020068552 Hierarchical call control with selective broadcast audio messaging system
06/06/2002US20020067711 Wireless LAN system and a transmitter-receiver in a wireless LAN system
06/06/2002DE10010337C2 Telekommunikationssystem Telecommunications system
06/05/2002EP1210830A1 Voice and data wireless communications network and method
06/05/2002EP1210809A1 Data routing means and method
06/05/2002EP1210794A1 Method and apparatus for dynamic control of talk groups in a wireless network
06/05/2002EP0815692B1 A two-way paging system and apparatus
06/05/2002EP0811277B1 Joint demodulation using spatial maximum likelihood
06/05/2002EP0792564B1 Dynamic channel allocation for sectorized radio access units of a mobile communication system
06/04/2002US6401031 Travel time obtaining system, local map data server, travel time obtaining server, control methods thereof, and recording medium
06/04/2002US6400964 Module for providing wireless call communication services through wire-connected telephone equipment
06/04/2002US6400937 Method and communications system with automatic reallocation of subscriber units
06/04/2002US6400702 Radio frequency local area network
06/04/2002US6400701 Asymmetric internet access over fixed wireless access
06/04/2002US6400695 Methods and apparatus for retransmission based access priority in a communications system
05/2002
05/30/2002WO2002043408A2 Hand-free earpiece for moble phone and local telephone switching center using the same
05/30/2002WO2002043406A2 Physical private mobile telecommunications network
05/30/2002WO2002043333A2 Administrative domains for personal area networks
05/30/2002WO2002043325A2 System and method for anonymous bluetooth devices
05/30/2002WO2002043281A1 Regional tunnel management method in a mobile communication system using mobile ip
05/30/2002WO2002043026A1 Traffic monitoring
05/30/2002WO2001037526A9 System and method for providing push-to-talk feature for wireless communication systems
05/30/2002WO2001015338A8 System and apparatus for avoiding interference between fixed and moveable base transceiver station
05/30/2002US20020066013 Maintaining end-to-end synchronization on a telecommunications connection
05/30/2002US20020066012 Maintaining end-to-end synchronization on telecommunications connection
05/30/2002US20020063633 Network control method and apparatus for home appliance
05/29/2002EP1209940A1 Method and system for UMTS packet transmission scheduling on uplink channels
05/29/2002EP1209936A1 Method and system for UMTS packet transmission scheduling on shared downlink channels
05/29/2002EP1209928A2 A server and a method of providing content using a server
05/29/2002EP1209886A2 System, controller and method for alerting mobile subsribers about emergency situations
05/29/2002EP1209877A1 Communication unit and its controlling method
05/29/2002EP1209875A2 Regional tunnel management method in a mobile communication system using mobile IP
05/29/2002EP1209863A2 Country detection in a wireless communication device
05/29/2002EP1209845A2 maintaining end-to end synchronization on a telecommuncations connection
05/29/2002EP1209844A2 maintaining end-to-end synchronization on telecommunications connection
05/29/2002EP1208707A1 Add-on base station for cellular network expansion
05/29/2002DE10056085A1 Kanalstruktur eines Funkkommunikationssystems Channel structure of a radio communication system
05/29/2002CN1351802A Method and apparatus for providing fair access to users with differing signaling delays in a group communication system
05/29/2002CN1085915C Logging recorder system for trunking radio
05/28/2002US6397069 Procedure for controlling the set-up of calls with transmission channel requirement of different network terminations
05/28/2002CA2150113C Wireless direct sequence spread spectrum digital cellular telephone system
05/23/2002WO2002041659A1 Method of registering position of mobile communication terminal, general calling method for mobile communication terminal and mobile communication system
05/23/2002WO2002041651A2 Methods and apparatus for identifying asset location in mobile co mmunication networks
05/23/2002WO2002041587A2 Method and system for enabling centralized control of wireless local area networks
05/23/2002WO2002041545A2 Wireless clock synchronization
05/23/2002WO2002041543A2 Radio network system
05/23/2002WO2002041504A2 Methods and apparatus for identifying asset location in communication networks
05/23/2002WO2002013457A3 Method, network and control station for the two-way alternate control of radio systems of different standards in the same frequency band
05/23/2002US20020062365 Control of electronic appliances over network
05/23/2002US20020061762 Controller for determining participants in a net within a group communication network
05/23/2002US20020061761 Communication device for determining participants in a net within a group communication network
05/23/2002US20020061760 Communication device for maintaining user information in a group communication network
05/23/2002US20020061759 Communication device for reducing latency in a group communication network