Matches 1 - 50 out of 67 1 2 >
Match Document Document Title
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...
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...
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...
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...
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...
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...
RE37276 Method and arrangement for handling a mobile telephone subscriber administered in different mobile telephone networks with a common call number  
A roaming arrangement enables roaming between different types of networks in a telecommunication system that includes a first standardized type of mobile network, a so-called home network, and a...
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...
6148202 Vehicle locating and communicating method and apparatus  
A method and apparatus for locating and communicating with vehicles is provided, including at least one mobile cellular unit connected to at least one microprocessor and installed within a vehicle....
6035196 Automatic cell transfer based on reverse channel characteristics  
In a distributed communication system, a mobile initiates a cell transfer or channel top based upon an assessment of measured parameters on the reverse channel. Advantageously, a mobile initiates a...
6009330 Method and apparatus for call delivery to a mobile unit  
A call delivery system (10) for delivering a call to a mobile unit (12) on a vehicle (14) includes both a data communications network (16) and a mobile voice communications network (20). The mobile...
5970481 Method and apparatus for determining tax of a vehicle  
An apparatus for determining a tax for a vehicle (20) includes a positioning device (80) operable to determine a plurality of vehicle positions along a route traveled by the vehicle (20). A memory...
5901341 Land mobile radio system having a cell in which mobile radios transmit and receive both data and audio  
A land mobile radio communication system has a plurality of cell cites, each of which includes a plurality of repeaters. The mobil radios in the cell transmit and receive both data and audio. The...
EP0450010B1 INFORMATION NETWORK  
Abstract not available for EP0450010 Abstract of corresponding document: US5179373 This invention relates to an information network such as a telepoint network, having discrete communications...
5884221 Vehicle locating and communicating method and apparatus  
A method and apparatus for locating and communicating with vehicles is provided, including at least one mobile cellular unit connected to at least one microprocessor and installed within a vehicle....
5832394 Vehicle locating and communicating method and apparatus  
A method and apparatus for locating and communicating with vehicles is provided, including at least one mobile cellular unit connected to at least one microprocessor and installed within a vehicle....
5815799 Priority system for a wide area transmission trunked communication system  
A method and apparatus for providing priority access for users in a transmission trunked communication system, including a plurality of distributive radio network terminal (RNT) switches and a...
5787345 Automatic voice prompts in a land mobile radio system  
A land mobile radio communication system has a plurality of cell sites, each of which typically has a plurality of repeaters. The over-the-air radio communications between the cell site repeaters...
5771455 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...
5734981 Method and apparatus for call delivery to a mobile unit  
A call delivery system (10) for delivering a call to a mobile unit (12) on a vehicle (14) includes both a data communications network (16) and a mobile voice communications network (20). The mobile...
5699275 System and method for remote patching of operating code located in a mobile unit  
A system (10) for remote patching or updating of operating code located in a mobile unit (22, 24, 26, 28, or 30) is provided. The system (10) includes a manager host (16) and a mobile unit (22, 24,...
5694322 Method and apparatus for determining tax of a vehicle  
An apparatus for determining a tax for a vehicle (20) includes a positioning device (80) operable to determine a plurality of vehicle positions along a route traveled by the vehicle (20). A memory...
5678176 Direct inward dial telephone number recognition in a land mobile radio system  
A land mobile radio communication system has a plurality of cell sites, each of which typically has a plurality of repeaters. The over-the-air radio communications between the cell site repeaters...
5652707 Vehicle locating and communicating method and apparatus  
A method and apparatus for locating and communicating with vehicles is provided, including at least one mobile cellular unit connected to at least one microprocessor and installed within a vehicle....
5649286 Method for managing the registration of a wireless unit  
A method for managing the registration of a wireless communication unit in a wireless communication system serving a geographic area divided into cells. Each cell transmits a unique identification...
5627876 Call priority override in a land mobile radio system  
A land mobile radio communication system has a plurality of cell sites, each of which typically has a plurality of repeaters. The over-the-air radio communications between the cell site repeaters...
5625870 Fraud control for radio fleets in a land mobile radio system  
A land mobile radio communication system has a plurality of cell sites, each of which typically has a plurality of repeaters. The over-the-air radio communications between the cell site repeaters...
5623535 Operations of cellular communications systems based on mobility and teletraffic statistics collected by mobile units  
Each mobile unit in a cellular communications system accumulates at least one mobility or communications traffic (teletraffic) statistic representative of "typical" operation of the mobile unit...
5613196 Method and apparatus for a distributive wide area network for a land mobile transmission trunked communication system  
A land mobile transmission trunked communication system is provided with a unique switching protocol arrangement among repeaters that are networked to one or more external communication networks....
5610974 Method and arrangement for handling a mobile telephone subscriber administered in different mobile telephone networks with a common call number  
A roaming arrangement enables roaming between different types of networks in a telecommunication system that includes a first standardized type of mobile network, a so-called home network, and a...
5588042 Interactive roamer contact system for cellular mobile radiotelephone network for automatically initiating a communication with an autonomously registering cellular mobile radiotelephone  
An automated interactive customer class identification and contacting system for use in or for a cellular mobile radiotelephone (CMR) system. A mobile radiotelephone provides identification...
5579376 Phantom mobile-identification number method and apparatus  
A method and apparatus for changing the mobile identification number of a cellular telephone unit to reflect a local network planning area number, including a cellular telephone unit having a...
5574973 Method of registering/-reassigning a call in a dual mode communication network  
Registration operates by sensing (106) the availability of a first communication system. A quality factor of a channel of the system is measured (111). A channel of the first system is selected if...
5557606 Routing of voice communication at a cell site in a land mobile radio system  
A land mobile radio communication system has a plurality of cell sites, each of which typically has a plurality of repeaters. The over-the-air radio communications between the cell site repeaters...
5548814 Personal information management system with paging link  
A distributed data system utilizing a paging location system includes a plurality of local area networks (LAN) (38) that have a wireless data link associated therewith for accessing one of a...
5544225 Data messaging in a cellular communications network  
A messaging unit (16) equipped with a cellular transceiver (38) is attached to a truck trailer (12) located within a communications network (10). The messaging unit (16) generates a data message in...
5519621 Vehicle locating and communicating method and apparatus  
A method and apparatus for locating and communicating with vehicles is provided, including at least one mobile cellular unit connected to at least one microprocessor and installed within a vehicle....
5517674 Low capacity mobile assisted handoff in a cellular communications network  
A method of controlling handoff in a telecommunications network is provided, the network including a land system and a plurality of mobile stations, the land system including a plurality of cells,...
EP0551310B1 METHOD OF LOCATION IN A MOBILE RADIO SYSTEM  
Abstract not available for EP0551310 Abstract of corresponding document: WO9205672 The invention relates to a method of location in mobile radio systems, especially the existing mobile radio...
5465386 Signaling protocol for a distributive wide area transmission trunked communication system  
A land mobile transmission trunked communication system is provided with an enhanced control signal protocol. The land mobile transmission trunked communication system includes a plurality of...
5440759 Modular networking switch system for a distributive wide area transmission trunked communication system  
A modular networking switch system for a land mobile transmission trunked communication system provides transmission trunked communications with a plurality of transceivers and networks the...
5423056 Adaptive cellular paging system  
An adaptive paging system includes a paging terminal that is operable to receive paging signals and transmit them up to a satellite (28) and down through a downlink (312) to stick locations (314),...
5408683 Method of anticipating a communication unit's location in a networked radio communications system  
A method of tracking subscribers (201, 203) in a networked radio communications system (100, 200). The subscribers (201,203) are able to roam among a plurality of coverage areas (104-106) which are...
5361399 Adaptive communication system for transmitting between base stations and portable transceivers via different data rate communication links  
A data communication system is provided for generating information at a source (12) and transmitting it to a non-fixed subscriber transceiver unit (STU) (14). The information is first transmitted...
5307510 Method for determining the degree of coverage in a mobile radio system  
The present invention provides a method for checking the degree of coverage in a mobile radio system. According to the method, field strengths are utilized which have been measured from all base...
5301354 Satellite based global paging system  
A satellite based paging communication system comprises a plurality of terrestrial stations capable of communicating the paging information with at least one satellite. The satellite(s), in turn,...
5293638 Intersystem communication system and method  
Communication systems (101, 102) having dedicated communication resources are provided with receivers (111, 116) that monitor the communication resources (104, 108) of other communication systems....
5276905 Mobile radio transmission system using preferred home service area  
A private mobile radio transmission system comprising a plurality of geographically spaced base stations (BS) defining a plurality of overlapping service areas (SA). The base stations are coupled...
5263177 Modified simulcast communication system  
In simulcast systems, overlapping coverage areas (111, 113, 115, and 117) of base sites (101, 103, 105, and 107) result in distortion of the received signal to any communication unit (121 and 125)...
5257399 Multiple access handling in a cellular communications system  
A method and apparatus for use in a cellular mobile radio telephone system for determining which of one of several mobile generated transmissions received in a mobile switching center, sent from...
Matches 1 - 50 out of 67 1 2 >