Patent ID: 7257413
Filing Date: 2007-08-14
Classification: G01S,H04W

Abstract:
1. A dynamic almanac system that updates locations with information from end-user wireless devices, comprising: a first wireless device in a first position for gathering first location information related to an uncooperative base station; a second wireless device in a second position for gathering second location information related to the uncooperative base station; a third wireless device in a third position for gathering third location information related to the uncooperative base station; and an almanac processor that: calculates a location of the uncooperative base station using the first, second, and third location information and the first, second, and third positions, assigns a location uncertainty factor to the location, and updates an almanac with the location, wherein one of the first, second, and third wireless devices is controlled by an end user, and the uncooperative base station would not normally allow data or voice transport of at least one of the first, second, and third wireless devices.