Patent ID: 8892118
Filing Date: 2014-11-18
Classification: G01C,G01S,H04W

Abstract:
1. A method comprising, at a mobile station: transmitting a request for a repository device identifier to a directory device, said request for said repository device identifier being indicative of a repository device identifier and at least a first indication of location of said mobile station; receiving said repository device identifier for said repository device from said directory device, said repository device identifier identifying a repository device and at least one indoor region corresponding to said first indication of location; transmitting a request for position assistance data for said at least one indoor region to said repository device; receiving said position assistance data from said repository device, said position assistance data comprising, at least in part, encoded metadata for at least a portion of said at least one indoor region and corresponding to at least one of an electronic map or an access point locator; and providing at least a portion of said encoded metadata to at least one function for use in estimating a location of said mobile station.