| US 7,577,441 B2 | ||
| Method and device for determining a position of a portable electronic device | ||
| Yoko Nonoyama, Tokyo (Japan) | ||
| Assigned to Motorola, Inc., Schaumburg, Ill. (US) | ||
| Filed on Jun. 27, 2007, as Appl. No. 11/769,405. | ||
| Prior Publication US 2009/0002237 A1, Jan. 01, 2009 | ||
| Int. Cl. H04W 24/00 (2006.01) | ||
| U.S. Cl. 455—456.1 | 20 Claims |
| 1. A method for determining a position of a portable electronic device, the method comprising:
detecting a first signal received from a local terminal;
transmitting from the portable electronic device, in response to the first signal, a second signal indicating a proximity
of the portable electronic device to the local terminal;
processing positioning method priority information, which identifies a ranked list of a plurality of positioning methods,
is based on a location of the local terminal and is received from the local terminal in response to the second signal;
updating a positioning method priority list based on the positioning method priority information; and
determining the position of the portable electronic device using a positioning method identified in the positioning method
priority list.
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