Patent ID: 8639221
Filing Date: 2014-01-28
Classification: H04L,H04W

Abstract:
1. A method of operating a wireless communication system, the method comprising: exchanging information with a plurality of wireless communication devices operated by a plurality of mobile users; determining mobility data for the plurality of mobile users based at least in part on the exchange of the information, wherein the mobility data comprises event records associated with the plurality of mobile users; for at least one mobile user of the plurality of mobile users, determining an anonymity factor based at least in part on the mobility data, the anonymity factor being generally indicative of a difficulty of identifying the one mobile user from at least the mobility data; and modifying at least a portion of an event record of the at least one mobile user to effect a change in the anonymity factor, with the modifying comprising changing or deleting at least a location data of an event record field.