Patents for H04W 84 - Network topologies (50,427)
03/2002
03/28/2002WO2002025966A1 Incoherent beacons to provide a spectrally efficient frequency reference in point to multipoint radio systems
03/28/2002WO2002025901A2 Telephone network node device
03/28/2002WO2002025873A2 Portable device interaction with beacons
03/28/2002WO2002025872A2 Message handover for networked beacons
03/28/2002WO2002025871A2 Low level mobility management procedures.
03/28/2002WO2002025386A1 System for delivering wireless information services to messaging devices
03/28/2002WO2001093433A3 Method and apparatus for generating a short-range wireless data communication link
03/28/2002WO2001092992A3 Method and apparatus for varying the rate at which broadcast beacons are transmitted
03/28/2002WO2001091422A3 Distributed information methods and systems used to collect and correlate user information and preferences with products and services
03/28/2002US20020037735 Communication device for reregistering in a net within a group communication network
03/28/2002US20020037700 Portable device interaction with beacons
03/28/2002US20020037699 Radio communication system and electronic device search method
03/27/2002EP1191798A1 System for communicating among vehicles and a communication control center
03/27/2002EP1191750A1 UMTS protocol frame format to support quality of service
03/27/2002EP1190592A1 Base-station-assisted terminal-to-terminal connection setup
03/27/2002EP1190589A1 Resource management and traffic control in time-division-duplex communication systems
03/27/2002EP1190496A1 Apparatus and method for assigning a common packet channel in a cdma communication system
03/27/2002CN1342359A Radio communication method and radio station
03/27/2002CN1081881C Communication device and communication system with position registration control
03/27/2002CN1081880C Radio communication apparatus with plurality of identification codes
03/26/2002US6363251 Network directed system selection for cellular and PCS enhanced roaming
03/26/2002CA2127940C Infrastructure equipment in a wireless communication system serves different service providers
03/21/2002WO2002023932A1 Intercom system
03/21/2002WO2002023923A1 Apparatus and method for large area radio dispatch communications
03/21/2002WO2002023819A2 Dynamic channel selection scheme for idee 802.11 wlans
03/21/2002US20020035699 Method and system for enabling seamless roaming in a wireless network
03/21/2002US20020035633 Systems and methods for wireless communications
03/21/2002US20020034949 Overload protection in packet communication networks
03/21/2002US20020034946 Message handover for networked beacons
03/21/2002US20020034945 Communicating apparatus,communication system, communicating method, and storage medium
03/21/2002US20020034937 Radio resources management method for WLL system
03/21/2002US20020034297 Wireless methods and devices employing steganography
03/21/2002US20020034184 Asynchronous transfer mode local area network having a ring structure with wireless terminals
03/21/2002DE10044994A1 Neukonfigurierung eines Adhoc-Netzwerks Reconfiguration of an ad hoc network
03/21/2002DE10042319A1 Verfahren und Vorrichtung zum Übertragen von Informationen zwischen einzelnen Abschnitten eines Zuges Method and apparatus for transferring information between individual sections of a train
03/20/2002EP1189391A2 Command processing method and radio communication apparatus
03/20/2002EP1189378A1 Frequency shift transceiver
03/20/2002EP1188342A2 Group call for a wireless mobile communication device using bluetooth
03/20/2002EP1188317A2 Facility-wide communication system and method
03/20/2002EP1188253A2 Method and apparatus for assigning a mobile station to a communication resource
03/20/2002CN1341334A Method for controlling division of transfer rates in a cellular radio telecommunications system
03/20/2002CN1341321A Informational messages display system for mass transit systems and method for same
03/20/2002CN1340932A Mail receiver/transmitter device for integrated wireless local loop and wireless domain net
03/19/2002US6360079 Global channel power control to minimize spillover in a wireless communication environment
03/19/2002US6360076 Method of broadcasting a quality over-the-air multicast
03/19/2002US6359880 Public wireless/cordless internet gateway
03/19/2002US6359878 Non-data-aided maximum likelihood based feedforward timing synchronization method
03/19/2002US6359873 Wireless LAN system and a transmitter-receiver in a wireless LAN system
03/19/2002US6359872 Wireless personal local area network
03/14/2002WO2002021867A2 Management of portable radiotelephones
03/14/2002WO2002021788A2 Method and system for testing a contents server
03/14/2002WO2002021768A2 Location-independent packet routing and secure access in a short-range wireless networking environment
03/14/2002WO2002021757A1 Control information signaling method and network element
03/14/2002WO2002021720A1 Method and apparatus for interactive audience participation at a live spectator event
03/14/2002WO2001067788A3 Intersystem base station handover
03/14/2002US20020032855 Providing secure network access for short-range wireless computing devices
03/14/2002US20020032812 Method of improving stability and communication efficiency of IrDA communication between host device and peripheral device
03/14/2002US20020032039 Portable telephone, GPS and bluetooth integrated compound terminal and controlling method therefor
03/14/2002US20020032025 Communication apparatus and communication method
03/14/2002US20020031119 Method for assigning resources in a shared channel, a corresponding mobile terminal and a corresponding base station
03/14/2002US20020031100 Asynchronous interference avoiding method and asynchronous interference avoiding system
03/14/2002CA2419257A1 Management of portable radiotelephones
03/13/2002EP1187505A1 Method for the selection of transmission entities
03/13/2002EP1187435A2 Portable telephone, GPS and bluetooth integrated compound terminal and controlling method therefor
03/13/2002EP1187397A2 Reconfiguring an Ad Hoc network
03/13/2002EP1187380A2 Method and system for on-demand transmission of broadcast data to mobile receivers using unused transmission channels in a wireless cellular communication system
03/13/2002EP1187023A1 Ad hoc telecommunications network management and routing
03/13/2002EP1186130A1 Method for providing dispatch service to dispatch
03/13/2002EP0877993A4 Wireless message delivery system
03/13/2002CN1339926A Method for providing roam service between special exchange centres
03/13/2002CN1339925A Service equipment for public and speical mobile communication network
03/12/2002US6356771 Radio communications system with adaptive polarization
03/12/2002US6356764 Wireless communication systems, interrogators and methods of communicating within a wireless communication system
03/12/2002US6356755 Methods and arrangements for controlling re-registration of a mobile communications station based on satellite call optimization
03/12/2002US6356579 Radio paging system
03/07/2002WO2002019750A1 A system and a method for providing telecommunication services over either a fixed network or a mobile network depending on the location of the mobile terminal
03/07/2002WO2002019747A1 Location sensitive wireless information distribution
03/07/2002WO2002019746A1 Method and apparatus for supporting radio acknowledgement information for a uni-directional user data channel
03/07/2002WO2002019739A2 Overload protection in packet communication networks
03/07/2002WO2002019648A2 System and method for the wireless access of computer-based services in an attributable manner
03/07/2002WO2002019566A1 Method and device for transmitting information between individual sections of a train
03/07/2002WO2002019561A2 Establishing a group call session
03/07/2002WO2002019053A2 Method and system for providing wireless multimedia services using bluetooth
03/07/2002WO2001061957A3 Method for the bi-directional transmission of data via a packet-oriented network device
03/07/2002WO2001058098A3 Position determination using bluetooth devices
03/07/2002US20020029381 Method and apparatus for interactive audience participation at a live spectator event
03/07/2002US20020029258 System and method for redirecting data to a wireless device over a plurality of communication paths
03/07/2002US20020028668 Radio signal measurement and reporting
03/07/2002US20020028666 Adaptive array antenna system and mobile telecommunications system using the same
03/07/2002US20020028657 Communication system
03/06/2002EP1183879A1 Communication systems for controlling registration of selective call devices
03/06/2002EP1183831A1 An element for a communications system
03/06/2002CN1080529C 蜂窝移动通信系统 Cellular mobile communication systems
03/06/2002CN1080524C Radiotelecommunications system with supplementary services
03/05/2002USRE37571 Subscriber RF telephone system having distributed channel switching capability
03/05/2002US6353779 Method for managing communication modes for an aircraft
03/05/2002US6353745 Method for providing performance features for mobile subscribers via a communications network
03/05/2002US6353739 Wide area paging system having automatic service area log-in
03/05/2002US6353732 Method for automatically assisting unaided voice communication
03/05/2002US6353730 Automatic call to page conversion in a radio communication system