Multiplex communications – Wide area network – Packet switching
Patent
1992-01-30
1993-08-10
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
34082503, 455 341, 370 951, H04J 312, H04Q 700, H04Q 900
Patent
active
052355985
ABSTRACT:
In a trunking communication system that is equipped to utilize the control channel as both a voice and control channel, a communication unit can transmit control data to the communication resource allocator in the following manner. Once a voice channel is selected as a voice/control channel, a communication resource allocator transmits the selection to the plurality of communication units. Thus, when the control channel is functioning as a voice channel, the communication unit can transmit a control request to the communication resource allocator via the voice/control channel.
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patent: 4831373 (1989-05-01), Hess
patent: 4870408 (1989-09-01), Zdunek et al.
patent: 4912756 (1990-03-01), Hop
patent: 4942570 (1990-07-01), Kotzin et al.
patent: 4977589 (1990-12-01), Johnson et al.
patent: 5115233 (1992-05-01), Zdunek et al.
Markison Timothy W.
Motorola Inc.
Olms Douglas W.
Parmelee Steven G.
Patel Ajit
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