Method and system for tracking mobile telemetry devices

Details Method and system for tracking mobile telemetry devices Method and system for tracking mobile telemetry devices

2004-01-16

2008-12-02

Ramakrishnaiah, Melur (Department: 2614)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S456200, C455S422100

Reexamination Certificate

active

07460871

ABSTRACT:
An approach is provided for tracking a telemetry device over a wireless network. A determination is made whether the telemetry device is operating in a first mode requiring assisted Global Positioning System (A-GPS) data from the wireless network to determine location of the telemetry device. The A-GPS data is transmitted to the telemetry device if the telemetry device is operating in the first mode, wherein the telemetry device operates in a second mode to obtain GPS data autonomously for determining the location when the telemetry device is outside of the coverage area of the wireless network.

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