Patent ID: 9014721
Filing Date: 2015-04-21
Classification: G01C,G01S,H04W

Abstract:
1. A method of determining a location of a mobile device comprising: obtaining at the mobile device one or more signals comprising information indicative of a location of the mobile device; wirelessly transmitting, by the mobile device, the information indicative of the location of the mobile device to a first server; wirelessly receiving, by the mobile device from the first server, in response to said transmitting of the information indicative of the location of the mobile device, location context identifiers corresponding to a localized environment at which the mobile device is located, the received location context identifiers associated with the information indicative of the location of the mobile device wherein the received location context identifiers comprise a first location context identifier and a second location context identifier, the first location context identifier being different from the second location context identifier; wirelessly transmitting, by the mobile device, the received location context identifiers to a second server; wirelessly receiving, by the mobile device from the second server, location-based data, responsive to said transmitting of the received location context identifiers, the location based data corresponding to the localized environment at which the mobile device is located and comprising a map of the localized environment wherein the location based data comprises first location based data associated with the first location context identifier and second location based data associated with the second location context identifier, the first location-based data being different from the second location-based data; and determining the location of the mobile device, by the mobile device, based at least in part upon the location-based data.