Position detection system integrated into mobile terminal

Details Position detection system integrated into mobile terminal Position detection system integrated into mobile terminal

2005-08-30

2005-08-30

Perez-Gutierrez, Rafael (Department: 2686)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S456300, C455S414200, C342S357490, C342S357490, C342S357490, C701S213000, C701S214000, C701S215000

Reexamination Certificate

active

06937865

ABSTRACT:
A wireless communications mobile terminal conserves bandwidth by determining which position detection assisting devices within a position detection system are available for use and limiting ephemeris information inquiries to only those devices that are available. To make this determination, mobile terminals are provided with an almanac of position information relating to the position detection system. Once the ephemeris information is provided to the mobile terminal, the mobile terminal may determine its location relatively quickly and with a minimal imposition on the mobile network.

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