Matches 201 - 250 out of 254 < 1 2 3 4 5 6 >
Match Document Document Title
5729542 Method and apparatus for communication system access  
A method and apparatus for accessing a communication system relies on the use of varying access probabilities for subscribers or messages of varying priority. A serving infrastructure entity (e.g.,...
5678190 Mobile terminal with automatic calling feature  
When frequencies are being scanned to seize a control channel immediately after the end of a call, if there arises a call request, the call request is stored, and a calling operation is...
5678195 Method of informing a subscriber in a radio telephone system of facilities activated for the subscriber station  
A method for use in a radio system that includes a subscriber database containing data informing of facilities activated for the subscriber, exchanges, base stations and subscriber stations. In...
5666654 Method of channel allocation in a mobile telephone system  
The invention provides channel allocation method which achieves a high frequency utilization efficiency while suppressing the average transmission power by transmission power control. Selection...
5666651 Method and apparatus for scheduling message traffic in a multicell radio communication system  
In a system controller (102) for scheduling message traffic for transmission to a plurality of selective-call radios (106) in a radio communication system (100), a set of interference coefficients...
5666364 Method for prioritizing services provided by different network entities  
An apparatus and associated method employ the concept of a central busy list for coordinating the receipt of incoming calls to a subscriber subscribing to the calling services of separate first and...
5666655 Mobile communication system with autonomous distributed type dynamic channel allocation scheme  
A mobile communication system using an autonomous distributed type dynamic channel allocation scheme, in which each base station manages allocation priority levels for the available radio channels...
5638055 Communication resource allocation by interrupt status  
Communication units organized into user groups are divided into user groups that distinguish whether a member of the user group may or may not interrupt active calls. Communications will not be...
5634197 Method, mobile exchange, and subscriber station in a mobile radio system for establishing a high-priority call  
A method, mobile exchange, and subscriber station for establishing a high-priority individual call or group call to at least one subscriber (MS1-MS4) in a mobile radio system participating in a...
5615249 Service prioritization in a cellular telephone system  
A system for servicing call establishment requests in a cellular telephone system on a priority basis is described. In this system, a base station receives a call establishment request either via...
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....
5613211 Method of establishing inter base-station synchronization and mobile radio communicaton system using the method  
A method for establishing inter-base-station synchronization among a plurality of radio base stations of a mobile radio communication system. Each radio base station transmits a radio frequency...
5592154 Method and apparatus for prioritizing communications in a two-way communication system  
A method and apparatus prioritize communications in a two-way communication system (102, 104) serving portable subscriber units (122) in a coverage area (500). A fixed portion (102) of the two-way...
5570411 Call priority in a mobile radiotelephone system  
Call priority is realized in a mobile radio telephone system by ascertaining that a call should be given priority, assigning channels preferentially to a priority call, assigning higher quality...
5561851 System and method for ensuring the availability of a radio data communications link  
A system and method for ensuring the availability of a radio data communications link for radio data messages between a fleet of mobile stations and a fixed base station is disclosed. The radio...
5551062 Method for enhancing communication access in a radio communication system  
A multi-site communication system (100) includes a plurality of communication units ( 112-117), a central controller (101) for coupling a plurality of communication sites (106-108), and a site...
5537684 Method for a communication unit to influence communication resource allocation  
A communication unit (105) may influence communication resource allocation within a communication system in the following manner. A list of pending communication requests intended for the...
5517677 Adaptive weighting of a scanning sequence  
A scanning technique that is preferential as to communication channels actually utilized in the past. A programmable queue is written with a communication channel identity code based on a...
5507034 Channel selection in a cellular communication system  
A method in a cellular communication system provides selection of a channel for use in a pending communications operation, the selection reducing the likelihood of co-channel interference. In each...
5507008 Channel assignment method in mobile communication system in which channel which meets predetermined criteria is channel selected  
In a channel assignment method for a mobile communication system, each of base stations respectively arranged in a plurality of cells constituting a service area selects one of all speech...
5497504 System and method for connection control in mobile communications  
In a mobile communications network, cell-clusters are defined to include a multiplicity of cells. Wireless connections within the network are classified based on the actions taken for the...
5491741 Prioritizing a multiple access channel in a wireless telephone system  
Base stations responding on a shared channel to a registration request message received on another shared channel from a wireless mobile unit with the base station to which the mobile unit is...
5483673 Method and apparatus for providing access to a communication system  
Communication units are provided access to a communication system (100) in the following manner. A base station (202) receives, from a requesting communication unit, a request, via a shared inbound...
5448750 Segregation method of dynamic channel allocation in a mobile radio system  
A method for adaptively allocating channels for connections between base station and mobiles is disclosed. The channels accessible to the base stations for establishing connections with mobiles are...
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...
5423061 Method for providing dispatch services to communication groups and multiple communication groups  
In a communication system, an operator station provides dispatch services to communication groups and multi-communication groups. When a request is received by the operator station to provide a...
5408680 Single channel autonomous digitally trunked RF communications system  
A single channel autonomous trunking ("SCAT") RF repeater transmits and receives on a single duplex RF channel. The repeater operates alternately in a control channel mode and in an assigned...
5396644 Method and system of communication between moving participants  
A method and system of communicating between moving participants such that each participant is provided with a first time slice and a respective priority listing containing the name of each...
5371780 Communications resource assignment in a wireless telecommunications system  
Fast resource assignments, especially needed in microcellular network architectures having many fast moving subscribers and high traffic volume, is provided through the use of a priority based...
5363427 Telephone resource allocation method in a communication system  
In a communication system that provides access to telephone resources of different types, a resource allocator of the communication system may more efficiently allocate the telephone resources in...
5363428 Dynamic channel assignment cordless telecommunication network  
In a microcellular cordless telephone network, radio speech channels are divided into several channel groups such that no intermodulation products occur among the channels of each group. In each...
5355517 Method and apparatus for automatic alternate communications system access  
A method and means of automatically accessing several types of radio systems is described. The present invention allows a subscriber unit, which is normally operative in a operator selected radio...
5301356 Prioritization between handoff and new call requests in a cellular communications system  
A method and system for ensuring that handoff requests take priority over new cell requests to engage voice channels assigned to a particular target cell are provided. A certain number of channels...
5287552 Method for more efficient service request processing  
A communication resource allocator of a trunking communication system may more efficiently handle service requests during extremely busy times in the following manner. While receiving service...
5263176 Method of assigning optimal channel in multi-station radio communications system  
In a multi-station radio communications system wherein plural channels are accessible for communication between plural fixed stations and plural mobile units (viz., dynamic channel assignment) and...
5261117 Method to allow a radio transceiver to automatically select from amongst multiple radio systems  
A method and means of automatically accessing several types of radio systems is described. The present invention allows a subscriber unit, which is normally operative in a operator selected radio...
5249304 Access and control system for a digital queued repeater  
A system for allocating communication resources in a communication system where only a single frequency pair may be available for use by many users. A system wherein a resource controller transmits...
5239666 Mobile detector using RSSI for vehicular repeater prioritization  
A communication system (10) comprises a portable radio (20) and a plurality of mobile repeaters (12), a mobile repeater system 200 comprising a portable signal receiver (224) for receiving portable...
5239678 Method of assigning a control channel as a temporary voice/data channel in a radio communications system  
A method (215) of converting a current control channel for use as a communication (voice/data) channel, in order to maintain a predetermined level of service in a radio communications system,...
5226071 Call path resource allocation in a wireless telecommunications system  
A wireless telecommunications system where call path resources are allocated in an orderly manner by queuing call requests during, for example, radio channel unavailability, and assigning radio...
5179374 Communication network prioritization system for mobile unit  
A trunked communication system utilizes information on mobile unit location provided by a mobile unit to provide prioritized communication system availability. By further utilizing location...
5175867 Neighbor-assisted handoff in a cellular communications system  
A handoff system where handoff requests are initiated not only by a home or serving base station, but also by neighboring base stations. As in conventional handoff, a serving base station may...
5134714 Remote control of priority communications automatic  
A communication resource method is set forth that allows communication with a subscriber unit that is in a priority access mode. Either a communication resource allocator or a subscriber unit is...
5125103 Automatic control channel acquisition method and apparatus in a trunked communication system  
A trunked communication system automatic system resource acquisition method and apparatus provide for utilizing dual system resource listings to monitor for priority communications within a primary...
5054111 HF data communications system with network management  
A method of network management for a radio communications network comprising a plurality of stations each of which includes a transceiver and control means therefor, the transceiver and control...
5054109 Trunked radio system having fleet queue alert  
A trunked radio communications system is disclosed which includes a repeater base station and plural fleets of mobile and/or portable radio transceivers. When all communication channels are busy,...
4921464 Radio channel search system  
A communication system is disclosed in which a speech path is selectively set up between a master station and mobile units through a plurality of radio channels. The number data of a limited number...
4882766 Terminal station of a radio communication network capable of effectively using radio channels assigned to the network  
For use in a common service area of a plurality of radio base stations, each being preassigned with a radio channel and for transmitting a channel status signal indicative of whether the radio...
RE32789 Transmission trunk multichannel dispatch system with priority queuing  
A communication system of the type wherein a central station assigns a limited number of information channels to a requesting one of a plurality of remote stations is disclosed. The requesting...
4716407 Trunked communication system true priority channel scan  
While receiving a lower priority message, a remote transceiver unit in a trunked radio communication system is diverted immediately to a priority channel when a priority message is generated. In a...
Matches 201 - 250 out of 254 < 1 2 3 4 5 6 >