Matches 1 - 22 out of 22
Match Document Document Title
7245596 Modularly clustered radiotelephone system  
A subscriber cluster unit for a wireless telecommunication system provides a wireless interface with a base station for a plurality of subscriber units. The cluster unit has a plurality of...
6954470 Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels  
A system and method for wireless communication between a plurality of subscriber units and a base station, the base station communicating information signals from an originating source to a...
6842440 Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels  
A system and method for wireless communication between a plurality of subscriber units and a base station, the base station communicating information signals from an originating source to a...
6804515 Transportable infrastructure for airborne cellular system  
A wireless communications system infrastructure includes an integrated unit of RF and switch components mounted on a transportable platform for providing a communications link to a public switched...
6771667 Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels  
A subscriber unit synchronizes to a control channel. An assigned frequency and time slot is transmitted on the control channel to the subscriber unit. The subscriber unit is moved from the control...
6724851 FIR chip for use in a wireless subscriber unit  
A FIR chip is used in a wireless subscriber unit. The subscriber unit includes a processor for transcoding an input signal to provide digital input symbols. A received output signal is demodulated....
6587516 Subscriber unit producing a modulated digital frequency  
A subscriber unit has a processor. The processor provides an output phase signal corresponding to a selected output digital frequency. A tuning register buffers the phase signal. A lookup table has...
6496488 Modularly clustered radiotelephone system  
A power-conserving time division multiple access (TDMA) radio telephone system is disclosed in which a cluster of subscriber stations, remote from a base station, employs a common pool of...
6449317 Digital synthesizer  
The present invention is a method and system for processing communication signals in a wireless telecommunication system having at least two subscriber units. The subscriber units communicate with...
6393002 Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels  
A digital telephone system for processing a plurality of information signals received in parallel over telephone lines from a public network exchange which are then transmitted in parallel over a...
6282180 Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels  
A telecommunication system for processing a plurality of simultaneous bidirectional communications includes a primary station and at least one secondary station using wireless transmissions over...
6246883 Mobile base station  
The mobil base station is disclosed having a computer readable storage medium for information and mobil wireless communication circuitry for performing wireless communication with a user in its...
6208630 Modulary clustered radiotelephone system  
A power-conserving time division multiple access (TDMA) radio telephone system is disclosed in which a cluster of subscriber stations, remote from a base station, employs a common pool of...
6032056 Cellular system signal conditioner  
A system for monitoring and adapting radio signals at a cell site to enable improved call management for mobiles active therein. Matrix switches, advantageously separate ones for the receive side...
6014374 Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels  
A telecommunication system for processing a plurality of simultaneous bidirectional communications includes a primary station and at least one secondary station using wireless transmissions over...
5923304 Omnidirectional antenna scheme  
An antenna arrangement comprising at least 4 upright omnidirectional antenna is disclosed. The omnidirectional antennas are spaced apart in an irregular fashion. By providing at least 4...
5852604 Modularly clustered radiotelephone system  
A power-conserving time division multiple access (TDMA) radio telephone system is disclosed in which a cluster of subscriber stations, remote from a base station, employs a common pool of...
5781864 Cellular system conditioner which overrides a disconnect for active radios wirelessly communicating with mobiles located in pre-identified territorial positions  
A system for monitoring and adapting radio signals at a cellsite to enable improved call management for mobiles active therein. Matrix switches, advantageously separate ones for the receive side...
5734678 Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels  
A terrestrial Rf telephone system provides a plurality of voice signal channels on a plurality of forward direction carrier frequencies, each carrier frequency having an associated predetermined...
5687194 Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels  
A system for the wireless transmission of multiple information signals utilizing digital time division circuits between a base station and a plurality of subscriber stations. The subscriber...
5657358 Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or plurality of RF channels  
A toll quality terrestrial wireless digital multiple access terrestrial communication system is disclosed having a base station in communication with telephone lines and with mobile subscriber...
4152647 Rapidly deployable emergency communication system  
A highly versatile, highly portable emergency communication system which permits deployment in a very short time to cover both wide areas and distant isolated areas depending upon mission...
Matches 1 - 22 out of 22