Patent ID: 9720099
Date: 2017-08-01
CPC Classifications: G01S

Claim:
1. A method, executed by one or more processors, the method comprising: receiving, by the one or more processors, a notification to a user of a mobile device; extracting, by the one or more processors, travel information for the user of the mobile device from the notification; determining, by the one or more processors, an expected travel interval from the travel information; determining, by the one or more processors, a user device location is at a start location at a time prior to or at an expected start time associated with the expected travel interval from the travel information; modifying, by the one or more processors, the expected travel interval based, at least in part, on determining the user device location is not at the start location at a time prior to or at the expected start time associated with the expected travel interval from the travel information; activating, by the one or more processors, a global positioning system tracking of the user device during the expected travel interval to provide a user trajectory for the user of the mobile device during the expected travel interval, wherein activating the global positioning system tracking includes periodically activating a global positioning unit on the mobile device; and de-activating, by the one or more processors, the global positioning system tracking during one or more non-travel intervals.