Telecommunications – Transmitter and receiver at separate stations – Plural transmitters or receivers
Patent
1997-06-20
1998-08-04
Urban, Edward F.
Telecommunications
Transmitter and receiver at separate stations
Plural transmitters or receivers
455518, 455519, H04B 700
Patent
active
057909563
ABSTRACT:
The present invention encompasses a method of providing communication service to members of a talkgroup in a radio communication system (100). A typical system (100) includes a plurality of communication units (116-122), a plurality of communication sites (106-112), and a central controller (114) that communication resources among the communication units (116-122). Upon receipt of a request for a talkgroup call from a communication unit, the central controller (114) grants the talkgroup call request for the first talkgroup. When the central controller (114) receives, during the first call, a talkgroup call request for the same talkgroup, the controller (114) agglomerates the two concurrent talkgroup calls, thereby providing communication service to all members of the talkgroup using a single communication resource.
REFERENCES:
patent: 5126733 (1992-06-01), Sagers et al.
patent: 5513381 (1996-04-01), Sasuta
patent: 5537684 (1996-07-01), Cassidy et al.
patent: 5551063 (1996-08-01), Brandon et al.
patent: 5634197 (1997-05-01), Paavonen
Drozt Peter M.
Erickson Paul M.
Lo Bin
Motorola Inc.
Pappas George C.
Urban Edward F.
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