Method for a communication unit to maintain a data base of syste

Details Method for a communication unit to maintain a data base of syste Method for a communication unit to maintain a data base of syste

1992-01-30

1994-05-17

Ng, Jin F.

Telecommunications

Carrier wave repeater or relay system

Plural modulated carriers

455 542, H04B 714

Patent

active

053136535

ABSTRACT:
A communication unit within a trunked communication system can reduce control channel traffic by maintaining a data base of the communication system services that it can perform. The data base is maintained by the communication unit selecting a service that it desires to perform. Having selected the service, the communication unit verifies that it is one of the services that it can perform and transmits a request to perform that service to a communication resource allocator. The communication resource allocator responds to the request and the communication unit updates its data base based upon the response from the communication resource allocator. The response transmitted by the communication resource allocator may comprise either a grant to the communication unit that allows it to perform the selected service or a denial that the selected service is one that the communication unit is not allowed to perform.

REFERENCES:
patent: 4926495 (1990-05-01), Comroe et al.
patent: 4941203 (1990-07-01), Patsiokas et al.
patent: 5054110 (1991-10-01), Comroe et al.

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