Patent ID: 9082077
Filing Date: 2015-07-14
Classification: G01C,G06N,G06Q,H04W

Abstract:
1. A method of operation of a mobile device, comprising: by the mobile device: generating a plurality of route fragments, each route fragment of the plurality of route fragments defining a location of a user of the mobile device over a corresponding period of time; obfuscating the plurality of route fragments to provide a plurality of obfuscated route fragments; sending the plurality of obfuscated route fragments to a remote server for storage by the remote server; receiving a location tracking request from a remote requestor via a network; processing the location tracking request such that one or more obfuscated route fragments of the plurality of obfuscated route fragments that are relevant to the location tracking request are obtained from the remote server and de-obfuscated to recover one or more route fragments of the plurality of route fragments corresponding to the one or more obfuscated route fragments; and sending the one or more recovered route fragments to the remote requestor.