Matches 1 - 50 out of 68 1 2 >
Match Document Document Title
7206592 System for coupling a multiplicity of RF data collection terminals with host computer means  
Improved apparatus for a radio communication system having a multiplicity of mobile transceiver units selectively in communication with a plurality of base transceiver units which communicate with...
7023832 Paging system with spacial, frequency and time diversity  
A highly reliable radio paging system with a combination of time, frequency and spacial diversity in order to increase the reliability of the system. Time diversity is provided by broadcasting the...
EP0789464B1 Mobile two-way communication system  
Abstract of EP0789464 A two-way communication system for communication between a system network and a mobile unit. The system includes a plurality of base transmitters and base receivers included...
EP0786177B1 APPARATUS AND METHOD FOR SYNCHRONIZING BASE SITES INDIVIDUALLY IN A COMMUNICATION SYSTEM  
Abstract not available for EP0786177 Abstract of corresponding document: US5727034 A communication system utilizes an external signal of high accuracy to maintain a good degree of accuracy of...
6477183 Economical synchronization system for asynchronous transfer mode mobile communication network without dependence on external system  
An asynchronous transfer mode network includes a high-level station and a mobile station in a boundary zone between service cells of wireless base stations connected to the high-level station...
6430412 Call handoff  
A system and method for performing call handoff in a mobile communication system. The system is employed on commercial aircraft and enables calls to be transferred between different traffic service...
RE37787 Handover method for mobile radio system  
The invention relates to a method in mobile radio systems in which the responsibility for transmitting message information to a mobile station is handed over from a first base station transmitter...
RE37685 Handover method for mobile radio system  
The invention relates to a method in mobile radio systems in which the responsibility for transmitting message information to a mobile station (MS 1 , MS 2 ) is handed over from at least a first...
6381466 Wireless communication system with trunked signal voting  
A trunked wireless communication system ( 200 ) includes communication sites ( 220, 230, 240, 250 ), communication signal voters ( 214, 215 ), and a signal switch ( 216 ) intercoupled between the...
EP0595351B1 Synchronization of clocks in a satellite communication network by preassigning constants to stations of the network  
Abstract of EP0595351 In a satellite communication network, a reference station (RS) simultaneously announces a reference time of a reference clock (23) once in a predetermined duration of time to...
EP0667069B1 ARRANGEMENT IN MOBILE TELECOMMUNICATIONS SYSTEMS FOR PROVIDING FOR SYNCHRONIZATION OF THE TRANSMITTERS OF THE BASE STATIONS  
Abstract not available for EP0667069 Abstract of corresponding document: US5809426 PCT No. PCT/SE93/00849 Sec. 371 Date May 12, 1995 Sec. 102(e) Date May 12, 1995 PCT Filed Oct. 18, 1993 PCT Pub....
6192247 Method for extending the cell radius between a mobile station and a base station  
The present invention provides a method for extending the cell radius between a mobile station (101) and a base station (103). A propagation delay is determined between the mobile station (101) and...
6104926 Call handoff  
A system and method for performing call handoff in a mobile communication system. The system is employed on commercial aircraft and enables cans to be transferred between different traffic service...
6088592 Wireless system plan using in band-translators with diversity backhaul to enable efficient depolyment of high capacity base transceiver systems  
A wireless system architecture whereby high efficiency broadband transceiver systems can be deployed at an initial build out stage of the system in a cost-efficient manner. A home base station...
5953637 Time slot recovery for remote in-band translator in time division multiple access wireless system  
In a conventional Time Division Multiple Access (TDMA) wireless system, the specified distance between a mobile unit and the base transceiver system (BTS) cannot exceed predetermined distances...
EP0597084B1 METHOD AND APPARATUS FOR MAINTAINING SYNCHRONIZATION IN A SIMULCAST SYSTEM  
5915210 Method and system for providing multicarrier simulcast transmission  
A two-way communication system for communication betweeen a system network and a mobile unit. The system network includes a plurality of base transmitters and base receivers include in the network....
EP0570547B1 TECHNIQUE FOR MEASURING CHANNEL DELAY  
Abstract not available for EP0570547
RE36079 Handover method for mobile radio system  
The invention relates to a method in mobile radio systems in which the responsibility for transmitting message information to a mobile station is handed over from a first base station transmitter...
RE36078 Handover method for mobile radio system  
The invention relates to a method in mobile radio systems in which the responsibility for transmitting message information to a mobile station (MS 1 , MS 2 ) is handed over from at least a first...
RE36017 Cellular digital mobile radio system and method of transmitting information in a digital cellular mobile radio system  
The invention relates to a cellular digital mobile radio system including base stations (B m , B n ) and mobile stations (MS 1 , MS 2 ) with transmitters and receivers. The invention also relates...
EP0557298B1 SIMULCAST SCHEDULER  
Abstract not available for EP0557298 Abstract of corresponding document: US5287550 A selective call terminal receives selective call information from a message originator. A transmission time is...
5809426 Arrangement in mobile telecommunications systems for providing synchronization of transmitters of base stations  
An arrangement in a mobile telecommunication system which has two or more base stations having transmitting elements which are each arranged to operate with a respective real-time clock and a...
5805645 Control channel synchronization between DBC and Cellular networks  
A downbanded Cellular network (DBC) is provided to supplement an adjacent or coincident standard Cellular network. The control channels used by the DBC and standard Cellular network are...
EP0502977B1 SATELLITE BASED SIMULCAST PAGING SYSTEM  
Abstract not available for EP0502977 Abstract of corresponding document: US5010317 A satellite based simulcast paging communication system comprises a plurality of terrestrial stations capable of...
5745840 Equalization in a simulcast communication system  
A simulcast system for transmitting and receiving signals through a plurality of remote sites within a certain area is generally described. The system automatically equalizes signal characteristics...
5742907 Automatic clear voice and land-line backup alignment for simulcast system  
In a multiple site radio frequency (RF) simuicasting transmission system, voice and digital data distributed via multi-phase modem over "land-line" inter-site communication links from a control...
EP0669062B1 MOBILE TWO-WAY COMMUNICATION SYSTEM  
Abstract not available for EP0669062 Abstract of corresponding document: US5754946 A two-way communication system for communication between a system network and a mobile unit. The system network...
EP0606236B1 SIMULCAST SYNCHRONIZATION AND EQUALIZATION SYSTEM  
Abstract not available for EP0606236 Abstract of corresponding document: US5257404 A simulcast transmission system (10) and method provides for time synchronizing data transmissions from a...
5697051 Method for coordinating propagation delays in a satellite linked simulcast network using a benchmark station  
A clock synchronization system for synchronizing a number of paging stations (24) with a system controller (23). Each paging station has a clock that includes a counter (52) that indicates the...
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...
EP0789464A2 Mobile two-way communication system  
A two-way communication system for communication between a system network and a mobile unit. The system includes a plurality of base transmitters and base receivers included in the network. The...
5594761 Control channel timing detection and self correction for digitally trunked simulcast radio communications system  
A control channel timing monitor for a simulcast radio frequency (RF) digitally trunked mobile radio communications system continually monitors the outbound control channel timing of each of plural...
5561701 Radio paging system having a plurality of transmitter stations  
A global radio paging system in which a plurality of radio frequency carriers having the same frequency are synchronously modulated in a plurality of base stations corresponding in number to the...
5542099 Simulcast group determination of best signal  
Processing of dispatch calls in a simulcast multi-site communication system begins when a source communication unit transmits a message to one or more network receivers. The received signals are...
5530915 Method for determining and utilizing simulcast transmit times by master transceiver  
Determining transmit time of a received signal in a simulcast multi-site communication system begins when a communication unit transmits a message to one or more network receivers. The receivers...
5517680 Self correction of PST simulcast system timing  
Arrangements are disclosed for maintaining time synchronization of simulcast radio frequency communications system transmissions. A circuit continually instructs a modem to use the common system...
EP0521001B1 A METHOD FOR SYNCHRONIZING THE TRANSMISSIONS IN A SIMULCAST TRANSMISSION SYSTEM  
Abstract not available for EP0521001 Abstract of corresponding document: US5014344 A method for synchronizing message transmissions in a simulcast transmitter system is described. A master...
5485632 Method for initiating and determining simulcast transmission of a message  
Processing of message transmissions from any node in a simulcast multi-site communication system (100) begins when an initiating communication unit requests (400) to transmit a message to one or...
5483671 Method of determining transmission time to transmit an information packet to a remote buffer  
A method at comparator (103) of determining the depth of remote buffer (107-109), by computing the difference between the current time and a next launch time, where the next launch time is the time...
5483665 Simulcast satellite paging system with over lapping paging reception locales  
A paging system includes a satellite uplink (40) for assembling paging information and transmitting it to a satellite (26). The satellite (26) is then operable to transmit in a simulcast manner all...
5481258 Method and apparatus for coordinating clocks in a simulcast network  
A clock synchronization system for synchronizing a number of paging stations (24) with a system controller (23). Each paging station has a clock that includes a counter (52) that indicates the...
5448758 Simulcast group determination of best signal by master site  
Processing of dispatch calls in a simulcast multi-site communication system begins when a source communication unit transmits a message to one or more network receivers. The received signals are...
5423058 Simulcast transmission system with selective call tones  
A simulcast radio transmission system (250) transmits message signals (318) including selective call tones, originating from a message source (202), to a geographical area (115). The simulcast...
5416808 Apparatus for synchronizing a plurality of clocks in a simulcast network to a reference clock  
A clock synchronization system for synchronizing the performance of a number of clocks (46) so that they run parallel with a reference clock is disclosed. Each clock of this synchronization system...
5410732 Method and apparatus for decentralizing uplink network control functions and minimizing terminal power level assessment overhead in radio frequency data communications networks  
Methods and apparatus are set forth which enable a radio frequency data communications network (1) to perform decentralized uplink network control functions (decentralized away from the centralized...
EP0642717A1 METHOD AND APPARATUS FOR SYNCHRONIZING A SIMULCAST TRANSMISSION SYSTEM.  
Abstract not available for EP0642717 Abstract of corresponding document: WO9325012 A simulcast system has a terminal controller (226) capable of measuring propagation delays, and calculating...
EP0630125A2 Base station transceiver diagnostics equipment.  
Base Station Transceiver Equipment (10) is provided such as for use in a cellular radio telephone system (fig. 3). A receiver (32) associated with a first base station transmitter in a first cell...
5369784 Radio communications system using multiple simultaneously transmitting transceivers  
A radio telemetry system has a first transceiver and a large number of further transceivers of which some but not all are out of range of the first transceiver and none of which is out of range of...
5369783 Dynamic regrouping in a trunked radio communications systems  
In a trunked radio frequency communications system, a dynamic regrouping scheme includes an effective user interface, automatic support of multi-site systems, the capability to program individual...
Matches 1 - 50 out of 68 1 2 >