System and method for conserving battery energy in a wireless te

Details System and method for conserving battery energy in a wireless te System and method for conserving battery energy in a wireless te

1998-08-26

2000-10-31

Vo, Nguyen

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

455343, H04B 138

Patent

active

061415707

ABSTRACT:
A wireless telephone having a wireless communication transceiver, a global positioning system (GPS) receiver, and a controller connected to both the wireless communication transceiver and the GPS receiver, wherein the controller intelligently adapts its GPS data maintenance schedule according to a unique set of indicators derived from the wireless telephone's operating conditions.

REFERENCES:
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patent: 5301368 (1994-04-01), Hirata
patent: 5365450 (1994-11-01), Schuchman et al.
patent: 5448773 (1995-09-01), McBurney et al.
patent: 5592173 (1997-01-01), Lau et al.
patent: 5650785 (1997-07-01), Rodal
patent: 5663735 (1997-09-01), Eshenbach
patent: 6064336 (2000-05-01), Krasner
patent: 6067045 (2000-05-01), Castelloe et al.
Article entitled "SiRFstarl/LX Low Power GPS Archltecture," SiRF Technology, Inc., authors Turetzky et al., undated.

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