Patent ID: 8406785
Filing Date: 2013-03-26
Classification: G01S,H04W

Abstract:
1. A method of estimating the position of a mobile device, the method comprising: identifying a plurality of fixed-position wireless communication stations in range of a mobile device based on the mobile device receiving signals transmitted by the plurality; designating one of the plurality of fixed-position wireless communication stations from which signals are received by the mobile device as a designated reference station; retrieving location information for said designated reference station and at least one other neighboring station of the plurality of fixed-position wireless communication stations from which signals are received by the mobile device; for each of the at least one other neighboring stations, determining a corresponding distance between the designated reference station and said neighboring station based on the location information; and estimating a position of the mobile device based on the location information for the designated reference station and said neighboring stations and further based on the distances between the designated reference station and said neighboring stations.