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Match Document Document Title
7146176 System and method for reuse of communications spectrum for fixed and mobile applications with efficient method to mitigate interference  
A communications system network that enables secondary use of spectrum on a non-interference basis is disclosed. Each secondary transceiver measures the background spectrum. The system uses a...
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...
6226521 Channel allocation method and apparatus  
In a satellite communications network, local pools of available carriers are assigned to each ground earth station GES by a network channel management station NCMS, which stores a pool of...
6219549 Radiotelephone with scanning of channel signals containing access rights  
A method and apparatus for a handset are provided to select a channel for monitoring a system operating under a cellular radio telephone protocol supported by repetitive cellular radio systems. A...
6215992 Universal dictation input apparatus and method  
The universal dictation input apparatus and method disclosed employs multiple wireless dictation devices ("WDD") and base stations each of which include a 900 MHz radio for communicating with one...
6181940 Methods and apparatus for location area scheme negotiation in communications systems  
Methods and apparatus allow a communications network and a mobile terminal to dynamically negotiate for a preferred location area registration scheme, a preferred communications protocol and/or a...
6006107 Radio telecommunication apparatus and method having stored system identification numbers  
A radio telecommunication apparatus stores one or more system identification numbers. When the apparatus receives a system identification number transmitted over a radio channel, the received...
5940439 Method and apparatus for adaptive rate communication system  
A system is disclosed for an adaptive rate voice system to provide improvements in coded operation over changing communication channel (50) conditions. This adaptive rate system efficiently...
EP0361465B1 Cordless telephone  
Abstract of EP0361465 A cordless telephone of multichannel access (MCA) type has a master station (2) which includes a plurality of sets of transmitting and receiving circuits (210 min , 220 min )...
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...
EP0583073B1 Cordless telephone system  
Abstract of EP0583073 A cordless telephone system in which it is adapted such that one channel is selected from a plurality of channels and the selected one channel is used by a parent telephone...
EP0844744A1 Method for establishing a connection in a satellite system and satelilite system suitable for practising such method  
The invention relates to establishing a connection in a satellite system. The base station continuously transmits information to the satellite for establishing a connection. The first terminal...
5752164 Autonomous remote measurement unit for a personal communications service system  
A Personal Communications Service (PCS) System is described. The frequency control system (30) allows PCS systems to coexist in the same frequency band as Private Operational Fixed Microwave...
5715295 Radio channel selecting method suitable for a mobile station to mobile station direct communication system, and the originating mobile station and destination mobile station used in the system  
In a wireless or cordless communication system, a method for direct communication among mobile stations without going through a base station. Carrier selecting means in the destination mobile...
EP0490509B1 Improved intra-cell call hand-over in radio communication systems with dynamic channel allocation  
Abstract of EP0490509 The intra-cell call hand-over technique of this invention is characterized by the use of channel information from both base station (24a) and subscriber terminal (22) in...
5627883 Method for a cordless telephone with division of channels into groups of channels  
A method for facilitating communication between parent telephones and child telephones in a cordless telephone system. The method includes steps of dividing a plurality of channels into groups and...
5613201 Automatic call destination/system selection in a radio communication system  
A method and apparatus for placing calls in a multi-system land mobile radio network. A plurality of call destinations are linked or grouped together into a call group. Each call destination has a...
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....
EP0474641B1 BULLETIN BOARD RESOURCE FOR COMMUNICATION SYSTEM ACCESS  
Abstract not available for EP0474641 Abstract of corresponding document: WO9013211 A bulletin board communication resource (206) provides a message to communication units (104) regarding available...
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...
5539804 Common channel signalling communication monitoring system  
A channel monitoring system for monitoring a multiplicity of transmission lines including a plurality of channel monitors, a line assignment controller operative to determine a subset of the...
EP0486362B1 Method for data transmission between mobile stations or autonomous vehicles  
Abstract of EP0486362 The method consists in constructing (1), in each mobile station or vehicle transceiver, information tables registering the progress of the radio channel by storing, during...
5471643 Radio telecommunication apparatus  
The cellular mobile telephone apparatus comprises a radio unit having an antenna which is connected to a base station provided in a cell via a radio channel, and a telephone unit which is connected...
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...
EP0410670B1 Channel selection system for mobile radio communication equipment  
Abstract of EP0410670 A channel selection system for radio communication equipment which uses a control channel for interchanging control signals for connection and a plurality of data channels...
5448761 Channel assignment in a cellular mobile radio network with a CIR threshold level selected in dependency on priority degrees of channels used in the network  
On selecting as a selected channel at a base station in response to a channel assignment request one of transmission channels of a cellular mobile radio communication network when this channel is...
5444765 Radio telephone apparatus having a service area confirmation  
A radio telecommunication apparatus includes a storage for storing a system identification data of a system to which the apparatus belongs to and provides an indication relating to where the...
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...
EP0441372B1 Method of assigning optimal channel in multi-station radio communications system  
Abstract of EP0441372 In a multi-station radio communications system wherein plural channels are accessible for communication between plural fixed stations and plural mobile units (viz-, dynamic...
5410737 Frequency agile sharing technology (FAST) for a personal communications service system  
A frequency agile sharing technology (FAST) system for controlling frequent usage in a communications system is disclosed. Specifically, a frequency agile sharing technology system of controlling...
5398258 Wireless communication system  
In the present invention a wireless communication system is disclosed. A base unit communicates with a remote unit. The system comprises means for transmitting, using CDMA, between the base unit...
5396649 Channel assignment method in a mobile communication system using channel selection order determined by transmission power level  
A communication channel assignment method is disclosed in a cellular mobile communication system in which, instead of assigning communication channels in a fixed manner in each cell, whenever there...
5384827 Cordless telephone system capable of quickly establishing connection during call setup phase  
In a cordless telephone system, several speech channels are periodically scanned by a base station during a standby mode to detect idle channels from the scanned channels. In response to receipt of...
5345597 Call set-up in a radio communication system with dynamic channel allocation  
The call set-up technique of this invention is characterized by the use of channel information from both base station and subscriber terminal in determining the radio traffic channel upon which to...
EP0554293B1 IMPROVED CALL SET-UP AND SPECTRUM SHARING IN RADIO COMMUNICATION ON SYSTEMS WITH DYNAMIC CHANNEL ALLOCATION  
Abstract not available for EP0554293 Abstract of corresponding document: US5276908 The call set-up technique of this invention is characterized by the use of channel information from both base...
EP0421964B1 A method of communication in mobile radio systems  
Abstract of EP0421964 A method of communication in at least one cellular mobile radio system in an environment of additional mobile radio systems with mobile stations capable of communication with...
5329575 Idle channel retrieving method and cordless communications system using the same  
A cordless communication system includes a plurality of cordless communication devices, a plurality of connection units which couple the cordless communication devices and communication lines, and...
5307509 Method for the transmission of data among mobile bodies or autonomous vehicles  
A method which constructs, in each transmitter/receiver of a mobile body or vehicle, information tables recording the changes undergone by a radio channel by memorizing, during consecutive time...
EP0583073A1 Cordless telephone system.  
A cordless telephone system in which it is adapted such that one channel is selected from a plurality of channels and the selected one channel is used by a parent telephone (2) and a child...
5214790 Enhanced talkgroup scan algorithm  
An enhanced talkgroup scanning algorithm is provided. This algorithm provides an efficient scan function when a unit scan list contains a mixture of trunked talkgroups and conventional channels....
5210785 Wireless communication system  
This invention relates to a wireless communication system, which comprises plural wireless communication units having different communication protocols, and in which a proper wireless communication...
5210746 Communication system network having communication system fallback operation  
In a communication system network that comprises a plurality of communication systems and a processing multiplexer, each of the plurality of communication systems is equipped with fallback...
5203015 Automatic channel selection in a mobile radio for telephone interconnect  
A mobile radio programmed to analyze idle channel assignments issued by a repeater station and select different channels, if appropriate, which are especially adapted for communicating with other...
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...
5175727 Communication system network interconnecting a plurality of communication systems  
The present invention discloses a communication system network that comprises a plurality of communication systems and a processing multiplexer. The communication systems, which may be either...
5159701 Method and apparatus for a distributive wide area network for a land mobile transmission trunked communication system  
A method and apparatus for distributively interconnecting a plurality of land mobile trunked transmission communication systems into a wide area network includes a plurality of distributive radio...
EP0505204A2 Radiotelephone set.  
A base station comprises a memory for storing at least two vacant channel. When a communication request is generated, the at least two vacant channel are supplied to a mobile station. When a mobile...
EP0490509A2 Improved intra-cell call hand-over in radio communication systems with dynamic channel allocation.  
The intra-cell call hand-over technique of this invention is characterized by the use of channel information from both base station (24a) and subscriber terminal (22) in determining a standby radio...
Matches 1 - 50 out of 72 1 2 >