Telecommunications – Transmitter and receiver at separate stations
Patent
1990-04-02
1992-03-31
Eisenzopf, Reinhard J.
Telecommunications
Transmitter and receiver at separate stations
455 53, H04Q 702, H04B 700
Patent
active
051015021
ABSTRACT:
A typical multi-site trunked communication system comprises communication units that are arranged into talk groups, communication resources distributed among communication sites, and a communication resource allocator. In such a system, a methodology is incorporated that allows communication units to override communication site busy conditions, where the communication site busy conditions prohibits placement of group calls until all communication sites have an available communication resource. The communication site busy condition may be overridden by a communication unit by initiating a busy override signal. Once the busy override signal is initiated, the communication resource allocator allocates, in each site, a communication resource to the communication group of the requesting communication unit.
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patent: 4360927 (1982-11-01), Bowen et al.
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patent: 4716407 (1987-12-01), Borras et al.
patent: 4837858 (1989-06-01), Ablay et al.
patent: 4905302 (1990-02-01), Childress
Felderman William A.
Kozlowski Thaddeus A.
McDonald Daniel J.
Charouel Lisa
Eisenzopf Reinhard J.
Krause Joseph P.
Markison Timothy W.
Motorola Inc.
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