Method and apparatus for geographic based control in a communica

Details Method and apparatus for geographic based control in a communica Method and apparatus for geographic based control in a communica

1996-07-10

1999-01-05

Chin, Wellington

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

455 69, 455440, 455522, 342357, 342457, H04Q 720

Patent

active

058571558

ABSTRACT:
A selective call transceiver (20) in a messaging system (100) having a plurality of transmitters (90, 94, 99), comprises a receiver module (26), a transmitter module (22) coupled to the receiver module and a controller (28) coupled to the receiver module and the transmitter module for controlling the operation of the selective call transceiver. Additionally the selective call transceiver comprises a GPS receiver (24) for receiving GPS information and coupled to the controller, wherein the controller uses the GPS information to assist in the control of functions selected from the group consisting of transmitter power control, site selection switching, sub-zone selection switching, forward error correction, retry transmission decisions, Doppler frequency shifting, synchronization, and frequency scanning and selection.

REFERENCES:
patent: 5184347 (1993-02-01), Farwell et al.
patent: 5225843 (1993-07-01), Thompson
patent: 5235633 (1993-08-01), Dennison et al.
patent: 5257408 (1993-10-01), Olson et al.
patent: 5396647 (1995-03-01), Thompson et al.
patent: 5442805 (1995-08-01), Sagers et al.
patent: 5469471 (1995-11-01), Wheatley
patent: 5507023 (1996-04-01), Suganuma et al.
patent: 5548296 (1996-08-01), Matsuno

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