Patents for H04W 84 - Network topologies (50,427)
03/2002
03/05/2002US6353598 Asymmetric multiple access protocol for a communication system
03/05/2002US6353382 Message control method in a two-way communication system
03/05/2002CA2194840C Communication device having a position registration in a multiple services communication system
02/2002
02/28/2002WO2002017659A1 Short data messages in mobile communications systems
02/28/2002WO2002017599A2 Cellular phone ethernet interface with routing capability
02/28/2002WO2002017581A1 Server using wireless application protocol
02/28/2002WO2002017572A2 Seamless roaming options in an ieee 802.11 compliant network
02/28/2002WO2001003324A3 Wireless network for requesting a contention channel
02/28/2002US20020025818 Method for allocating bandwidth in a wireless local area network and apparatus thereof
02/28/2002US20020025781 Information distribution system using local radio network
02/28/2002US20020025778 Integrated wireless local loop (WLL) and wireless local area network (WLAN) transceiver apparatus
02/28/2002US20020025042 Scheme for transferring copyright protected contents data using radio link layer authentication/encryption
02/28/2002DE10039532A1 Wechselseitige Steuerung von Funksystemen unterschiedlicher Standards im gleichen Frequenzband Reciprocal control of radio systems of different types in the same frequency band
02/27/2002EP1182895A1 Method and apparatus for performing a voice dispatch call in a digital communication system
02/27/2002EP1182846A2 A method of supporting seamless hand-off in a mobile telecommunications network
02/27/2002EP1182833A1 Information exchange method and cash register apparatus
02/27/2002EP1182825A2 Transferring copyright protected contents using radio link layer authentication/encryption
02/27/2002CN1338169A Interception method and system
02/27/2002CN1080075C Method and apparatus for receiving selected paging signals
02/27/2002CN1080073C Radio communication system with displaced radio station
02/26/2002US6351643 Method and system for autonomously allocating a frequency hopping traffic channel in a private radio system
02/26/2002US6351640 Initiating a Telecommunications call to a party based on an identifying signal wirelessly transmitted by the party or its proxy
02/26/2002US6351633 Handling of signaling information within a telecommunications system
02/21/2002WO2002015618A1 Load sharing in cellular communication system
02/21/2002WO2002015614A1 Method, system, and computer program product for positioning and synchronizing wireless communications nodes
02/21/2002WO2001076280A3 Wireless messaging system
02/21/2002WO2001065719A3 Ad-hoc radio communication system
02/21/2002US20020022497 Service apparatus for a public and private mobile communication network
02/21/2002US20020022481 Method for providing roaming service among private mobile switching centers
02/21/2002US20020022475 Information delivery system and information delivery method four
02/21/2002US20020022453 Dynamic protocol selection and routing of content to mobile devices
02/21/2002US20020021679 Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels
02/21/2002US20020020743 Information exchange method and cash register apparatus
02/21/2002DE10039456A1 Mobile telephone-to-wired network telephone converter, switches call from mobile telephone to fixed network telephone, when call to mobile telephone is detected
02/21/2002CA2350357A1 A method of supporting seamless hand-off in a mobile telecommunications network
02/20/2002EP1180905A1 Method for providing roaming service among private mobile switching centers
02/20/2002EP1180312A1 Systems and methods for providing push to talk feature for wireless communication systems
02/20/2002EP0847654B1 Multiple pager status synchronization system and method
02/20/2002CN1337125A Method for implementing multipoint codes in an exchange
02/20/2002CN1079628C Method for transmitting data in packets in a mobile ratio system
02/19/2002US6349218 Adaptive array antenna system and mobile telecommunications system using the same
02/19/2002US6349199 Reliable continuously operating fixed cellular terminal
02/15/2002CA2351054A1 Method and apparatus for performing a voice dispatch call in a digital communication system
02/14/2002WO2002013554A1 Method for accessing a cellular communication network
02/14/2002WO2002013549A1 Handling of data packets and voice calls in a wireless telecommunications system
02/14/2002WO2002013457A2 Method, network and control station for the two-way alternate control of radio systems of different standards in the same frequency band
02/14/2002US20020019246 Method and apparatus for communicating via virtual office telephone extensions
02/14/2002US20020019236 Transfer of data packets in a wireless telecommunications system
02/14/2002US20020018462 Handling of data packets and voice calls in a wireless telecommunications system
02/14/2002US20020018057 Display terminal
02/14/2002DE10035132A1 Verfahren zur Erhöhung des Datendurchsatzes in einem Kommunikationssystem A method for increasing the data throughput in a communication system
02/13/2002EP1179276A1 Communications system having roaming facilities
02/13/2002EP1179275A1 A congestion avoidance approach for a switching communication system with transmission constraints
02/13/2002EP1179269A1 Method and arrangement for controlling facilities and/or processes additionally using mobile communication networks
02/13/2002EP0890271B1 Point-multipoint radio transmission system
02/13/2002CN1336057A Wireless local loop system and methods useful therefor
02/13/2002CN1335720A Display terminal
02/13/2002CN1335698A Method for managing network when main control equipment disappear
02/12/2002US6347235 System for scheduling reverse-channel messages in narrowband communications systems and method of operation
02/12/2002CA2268393C Apparatus and method for reusing satellite broadcast spectrum for terrestrially broadcast signals
02/07/2002WO2002011476A1 Voice and data wireless communications network and method
02/07/2002WO2002011471A1 On-demand information service using wireless cellular communications system
02/07/2002WO2002011467A2 Use of radius (remote authentication dial-in user service) in umts to perform hlr function and for roaming
02/07/2002WO2002011456A1 Contextually aware network announcements of people
02/07/2002WO2002011312A2 Method and apparatus for signaling among a plurality of agents
02/07/2002US20020016184 Automatic method of managing network services
02/07/2002US20020015398 Methods and apparatus for enhancing wireless data network telephony, including quality of service monitoring and control
02/07/2002CA2517832A1 Voice and data wireless communications network and method
02/07/2002CA2384890A1 Use of radius in umts to perform hlr function and for roaming
02/06/2002EP1178693A1 Method for accessing a cellular telecommunication network
02/06/2002EP1178652A1 Method and system for automatically managing network services
02/06/2002EP1178453A2 Wireless search device
02/06/2002CN1335035A System and method for providing location services in parallel to existing services in general packet radio services architecture
02/06/2002CN1335024A Arrangement, system and method relating to providing mobile stations with radio coverage when in mobile vehicle
02/06/2002CN1335023A Method and system for automatic configuration of fixed cellular terminals
02/06/2002CN1335022A Broadband base station architecture for advanced resource management
02/05/2002US6345186 Arrangement, system and method relating to mobile communications
02/05/2002US6345184 Method, device and telecommunication system for providing a consistent set of services to a roaming user
02/05/2002CA2230041C Method and system for providing wireless communications to a subscriber of a private wireline network
02/05/2002CA2172972C Radiotelephone system for assignment of modems to support communications between subscriber stations and a base station
01/2002
01/31/2002WO2002009458A2 Method and system for enabling seamless roaming in a wireless network
01/31/2002WO2002009380A2 Data transmission using pulse with modulation
01/31/2002WO2002009326A1 A cellular radio communication network and methods in the network
01/31/2002WO2002009319A1 A method for point-to-multipoint communication using digital radio frequency transport
01/31/2002WO2001074096A3 Wireless local loop
01/31/2002WO2000060885A9 Point-to-multipoint two-way broadband wireless communication system
01/31/2002US20020013901 Wireless search device
01/31/2002US20020013151 Wireless communication apparatus
01/31/2002US20020013150 Virtual private network for cellular communications
01/31/2002US20020013129 Data delivery through beacons
01/31/2002US20020012381 Dual-radio communication apparatus, and an operating method thereof
01/30/2002EP1176839A2 Hub with inclined beams for wireless networks
01/30/2002EP1176763A2 Display terminal
01/30/2002EP1176762A1 Method for managing a network when master disappears
01/30/2002EP1175801A1 An improved method and arrangement for managing cell reselection in a terminal for a cellular system
01/30/2002EP1175793A1 A communication system
01/30/2002EP0928551B1 Method of operating a dect base station and a dect mobile part for identifying the dect mobile part
01/30/2002CN1333983A Accelerated scanning of cellular channels by cellular radiotelephones
01/30/2002CN1333978A Method and communications system with automatic reallocation of subscriber units
01/30/2002CN1333977A Method and communications system with dynamically adaptable subscriber units