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7369855 Methods and apparatus for the utilization of core based nodes for state transfer  
Methods and apparatus for storing, manipulating, retrieving, and forwarding state, e.g., context and other information, used to support communications sessions with one or more end nodes, e.g., mob...
7363039 Method of creating and utilizing diversity in multiple carrier communication system  
In many cellular systems, reusing spectrum bandwidth, creates problems in boundary regions between the cells and sectors where the signal strength received from adjacent base stations or adjacent s...
7356020 Support of disparate addressing plans and dynamic HA address allocation in mobile IP  
Methods and apparatus for enhancing Mobile IP signaling and to support use of disparate addressing plans and dynamic Home Agent allocation in Mobile IP Regional Tunneling are described. The enhance...
7339903 Enabling foreign network multicasting for a roaming mobile node, in a foreign network, using a persistent address  
Permitting a mobile host to roam in a foreign network, with multiple access node handoffs, while permitting foreign network multicasting by (i) having the mobile node (MN) use a persistent address,...
7323970 Method and system for remote interaction with a vehicle via wireless communication  
A telemetry system coupled to a vehicle can communicate with a remote site using the overhead control channels of a wireless network, such as a cellular mobile radiotelephone network. The telemetry...
7293107 Method and apparatus for providing mobile and other intermittent connectivity in a computing environment  
A seamless solution transparently addresses the characteristics of nomadic systems, and enables existing network applications to run reliably in mobile environments. A Mobility Management Server co...
7272494 Communications device for conveying geographic location information over capacity constrained wireless systems  
The present invention enables efficient communication of location identification of remote movable objects or vehicles over capacity-constrained wireless communications systems by transmitting only...
7272127 Partner node migration control unit and method  
A partner node and a method of communication control with a mobile node that is a communication partner with the partner mode is provided. The mobile node can provide a migration destination addres...
7245928 Method and system for improved short message services  
A service provider uses a telemetry gateway to communicate with radio communication devices using various incompatible short message service (SMS) protocols. A communication, from the service provi...
7233802 Interconnect system and method for multiple protocol short message services  
A customer central location (CCL) communicates with multiple remote wireless devices employing mutually incompatible data formats or short message service (SMS) protocols. A communication, from the...
7212821 Methods and apparatus for performing handoffs in a multi-carrier wireless communications system  
A mobile communications device initiates a handoff from its current base station (BS) sector network attachment point to a new BS sector. The mobile sends a handoff request over its current wireles...
7151943 System for communicating messages via a forward overhead control channel for a programmable logic control device  
Communicating commands and/or data to a remote controller, such as a programmable logic controller, coupled to a cellular communications device. Each cellular communications device can monitor the ...
7145906 Packet switching node  
To provide fast access times with very large key fields, an associative memory utilizes a location addressable memory and lookup table to generate from a key the address in memory storing an associ...
7136645 Method and apparatus for providing mobile and other intermittent connectivity in a computing environment  
A seamless solution transparently addresses the characteristics of nomadic systems, and enables existing network applications to run reliably in mobile environments. A Mobility Management Server co...
7130290 Partner node migration control unit and method  
A mobile node is provided having an address-obtaining unit that can obtain a temporary address that is assigned to the mobile node for each network to which the mobile node migrates. The temporary ...
7117075 Driver activity and vehicle operation logging and reporting  
A method for logging and reporting driver activity and vehicle operation includes identifying a driver of a vehicle, recording operating data with an on-board recorder that is hard-wired to an engi...
7110401 Mobile communication control device for servicing a mobile node  
A home migration host position control device includes an address post processing unit that is capable of receiving an address post message from the mobile node when it migrates to a different netw...
7047009 Base station based methods and apparatus for supporting break before make handoffs in a multi-carrier system  
A mobile communications device initiates a handoff from its current base station (BS) sector network attachment point to a new BS sector. The mobile sends a handoff request over its current wireles...
EP1643729A2 Migration communication control device  
A migration communication control device constructed to control a continuous communication between a mobile node and a partner node unaffected the mobile node's migration. The migration communicati...
EP1643728A2 Migration communication control device  
A migration communication control device constructed to control a continuous communication between a mobile node and a partner node unaffected the mobile node's migration. The migration communicati...
EP1643727A2 Migration communication control device  
A migration communication control device constructed to control a continuous communication between a mobile node and a partner node unaffected the mobile node's migration. The migration communicati...
7020465 Controlling hand-off in a mobile node with two mobile IP clients  
Extending Mobile IP to support both local and remote access by using two MIP client stacks in the end node, a roaming Node in the local access network, a standard Home Agent in the remote network. ...
6993333 Methods and apparatus of improving inter-sector and/or inter-cell handoffs in a multi-carrier wireless communications system  
A wireless communications system, e.g., an OFDM system, uses a plurality of carrier frequencies each with an associated frequency band. A base station sector transmitter in the system transmits ord...
6990337 Methods and apparatus for the utilization of core based nodes for state transfer  
Methods and apparatus for storing, manipulating, retrieving, and forwarding state, e.g., context and other information, used to support communications sessions with one or more end nodes, e.g., mob...
6961595 Methods and apparatus for operating mobile nodes in multiple states  
The use of multiple states of mobile communication device operation to allow a single base station to support a relatively large number of mobile nodes is described. Various states require differen...
6922547 Methods and apparatus for supporting group communications  
Group communications methods and apparatus are described. In particular, methods for granting a mobile device access to a communications resource, e.g., the right to transmit data, associated with ...
6907242 Local subscriber number and services for non-local wireless subscribers  
A system and method for providing local service to non-local subscribers in a telecommunications network. The systems and methods employ mapping of a subscriber IMSI with a unique local identifier ...
EP1528820A1 NETWORK AND METHOD OF REALIZING LOCAL ROAMING FOR SUBSCRIBERS  
Abstract not available
6868272 Method and apparatus for roaming in hierarchical mobile communications network  
Communications system comprising a set of interface devices adapted to be coupled to a public switch telephone network (PSTN) and radio transceivers. The interface devices are configured to serve i...
6826405 Apparatus and method for intelligent routing of data between a remote device and a host system  
An apparatus and method is provided for transparent communication between a remote or mobile device and a fixed communication host network. The apparatus and method may include a remote network con...
6819670 Data packet routing for mobile networks  
To provide fast access times with very large key fields, an associative memory utilizes a location addressable memory and lookup table to generate from a key the address in memory storing an associ...
6804529 Trunked radio repeater communication system including home channel aliasing and call grouping  
A system for channel assignment in a trunked transmission communication system including a plurality of subscribers. A plurality of subscribers is provided home channel assignment to reduce collisi...
6788963 Methods and apparatus for operating mobile nodes in multiple a states  
The use of multiple states of mobile communication device operation to allow a single base station to support a relatively large number of mobile nodes is described. The various states require diff...
6771962 Apparatus, and an associated method, by which to provide temporary identifiers to a mobile node involved in a communication handover  
Apparatus, and an associated method, for a mobile communication system in which handovers of communications are effectuated between access points of the communication system as a mobile node travel...
6748226 System and method for locating a mobile unit within the service area of a mobile communications network  
A differential positioning system ( 10 ) includes components of a satellite-based or land-based positioning system ( 12 ) and components of a mobile communications network ( 14 ). The differential ...
6529486 Trunked radio repeater communication system  
A trunked radio repeater communication system capable of use in a networked system includes a plurality of distributive switches and a unique signaling protocol and a switching protocol for interco...
6418324 Apparatus and method for transparent wireless communication between a remote device and host system  
An apparatus and method is provided for transparent communication between a remote or mobile device and a fixed communication host network. The apparatus and method may include a remote network con...
6405042 Provision of cellular/wire-line service  
Apparatus and a method for providing roaming service to a telecommunications station which can act as a cellular station or if plugged into a jack connected to a land-line switch, can act like a la...
6405038 Cellular carrier selection system incorporating a preferred list of system identification codes (SIDs) corresponding to preferred cellular carriers  
A method and an apparatus for selecting a cellular carrier frequency for accessing cellular airtime services based upon a list of preferred system identification codes (SIDs). A cellular telephone ...
6374115 Method and apparatus for trunked radio repeater communications with backwards compatibility  
A trunked radio repeater communication system capable of use in a networked system includes a plurality of distributive switches and a unique signaling protocol and a switching protocol for interco...
6374078 Wireless communication system with multiple external communication links  
A decentralized asynchronous wireless communication system is disclosed for providing voice and data communication that allows flexibility of communication paths for local communication or for comm...
6363246 Call routing method for a radiotelephone in multiple radiotelephone systems  
A portable unit ( 101 ) may both place and receive calls in both the cordless ( 115 ) and cellular ( 103 ) telephone system. A portable unit ( 101 ), in combination with a cordless base station ( 1...
6360091 Method and apparatus for establishing a communication link  
A method generally establishes a communication link in a communication system when a cordless base station has been authenticated to communicate with authorization equipment, and the authorization ...
6295449 Data messaging in a communications network using a feature request  
A messaging unit equipped with a cellular transceiver is attached to a truck trailer or a monitoring station located within a communications network. The messaging unit generates a data message in ...
6292670 Maintaining a group call in a mobile communications system  
In a method for maintaining a group call in a mobile communication system, a mobile station is registered to a first base station and starts a group call. A traffic channel is reserved by the first...
EP1128684A2 Migration communication control device  
A migration communication control device constructed to control a continuous communication between a mobile node and a partner node unaffected the mobile node's migration. The migration communicati...
6266523 Method and system for dynamically assigning features and users to wireline interfaces  
A method and system for supporting wireless and/or wireline features of telecommunications subscribers utilizing existing wireline interfaces includes a processor for provisioning the wireline inte...
6240295 Data messaging in a communications network using a feature request  
A messaging unit (16) equipped with a cellular transceiver (38) is attached to a mobile item (12) located within a communications network (10). The messaging unit (16) issues a feature request havi...
6198920 Apparatus and method for intelligent routing of data between a remote device and a host system  
An apparatus and method is provided for transparent communication between a remote or mobile device and a fixed communication host network. The apparatus and method may include a remote network con...
6192241 Worldwide wireless subscriber access service  
Wireless telephone communications are processed by first contacting a worldwide wireless access facility which interfaces between the caller and the phone systems to determine a present location of...

Matches 1 - 50 out of 201 1 2 3 4 5 >