Patent ID: 9198004
Filing Date: 2015-11-24
Classification: G01C,H04W

Abstract:
1. A method for determining a position of a mobile device in an indoor environment, the method comprising: receiving a request for the position of the mobile device within the indoor environment from an application running on the mobile device; estimating the position of the mobile device within the indoor environment based on signals received from a plurality of wireless access points responsive to receiving the request for the position of the mobile device; identifying an ambiguity in the position of the mobile device while estimating the position of the mobile device; identifying first disambiguation information for resolving the ambiguity in the position of the mobile device; requesting the first disambiguation information for resolving the ambiguity associated with the position of the mobile device from a user of the mobile device providing haptic feedback to the user to prompt the user to provide the first disambiguation information, the first disambiguation information being associated with a determining a region in which the mobile device is located; receiving the first disambiguation information for resolving the ambiguity associated with the position of the mobile device; requesting additional disambiguation information based on the first disambiguation information from the user of the mobile device, the additional disambiguation information being associated with a particular portion of the region in which the mobile device is located; resolving the ambiguity in estimating the position of the mobile device using the first disambiguation information and the additional disambiguation information; and determining the position of the mobile device in the indoor environment.