Patent ID: 9357521
Filing Date: 2016-05-31
CPC Classification: G01S,H04W

Claim Text:
1. A method performed by a server system, the method comprising: receiving a set of identifiers of base stations within a communication range of a mobile device, each identifier of the set of identifiers of the base stations associated with a set of locations of the mobile device, each location of the set of locations of the mobile device associated with a received signal strength indication from each of the base stations; accessing a base station information table based on the set of identifiers, wherein the base station information table stores previously determined location data associated with each of the base stations, the previously determined location data associated with each of the base stations including an estimated geographic location of the base station, an uncertainty value of the estimated geographic location, a coverage area length of the base station, and a transmission signal range of the base station; excluding at least one location of the mobile device from the set of locations using at least one of the previously determined coverage area length stored in the base station information table and at least one of the previously determined transmission signal range stored in the base station information table; determining, by processing circuitry of the server system, updated location data of each of the base stations using non-excluded locations of the set of locations of the mobile device; and updating the base station information table with the updated location data of each of the base stations.