Location information polling in a communication system

Details Location information polling in a communication system Location information polling in a communication system

1989-05-17

1992-06-30

Yusko, Donald J.

Communications: electrical

Continuously variable indicating

With meter reading

34082549, 34082508, H04B 700

Patent

active

051267330

ABSTRACT:
A trunked communication system that supports polling requests for location information without requiring infrastructure changes. Ordinary private call talk requests are altered to include at least two inclusions of the ID code for the target communication unit. This dual representation of the ID is interpreted by the receiving unit as a poll request, to which the unit responds by providing location information on an allocated communication resource.

REFERENCES:
patent: 3644883 (1972-02-01), Borman et al.
patent: 3714650 (1973-01-01), Fuller et al.
patent: 4651156 (1987-03-01), Martinez
patent: 4658435 (1987-04-01), Childress et al.
patent: 4684949 (1987-08-01), Kalafus
patent: 4742357 (1988-05-01), Rackley
patent: 4797948 (1989-01-01), Milliorn et al.
patent: 4955050 (1990-09-01), Yamauchi

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