07257413 is referenced by 29 patents and cites 13 patents.

A system and method of dynamically updating an almanac of base stations with wireless phones that are controlled by end users. First, second, and third location information are received respectfully from a first, second, and third wireless phones. A position of each wireless device is known. The distance between each wireless device an uncooperative base station is determined while accounting for an uncertainty factor. A location of the uncooperative base station is calculated using the first, second, and third location information and the distances. The almanac is updated with the location.

Title
Dynamic location almanac for wireless base stations
Application Number
11/211230
Publication Number
7257413 (B2)
Application Date
August 24, 2005
Publication Date
August 14, 2007
Inventor
Leonid Sheynblat
Hillsborough
CA, US
Agent
Linda G Gunderson
Bruce W Greenhaus
Thomas Rouse
Assignee
Qualcomm Incorporated
CA, US
IPC
H40Q 7/20
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