Patent ID: 9107038
Filing Date: 2015-08-11
Classification: H04W

Abstract:
1. A roaming control system for a roaming Wireless Communication Device (WCD) while roaming away from a home wireless access network, comprising: a communication interface configured to exchange communications with the WCD and with other wireless access networks; and a processing system coupled to the communication interface, with the processing system configured to ping the roaming WCD at predetermined time intervals, if the ping was successful, record a WCD roaming location using a ping response, if the ping was successful, provide WCD roaming control information to a visited wireless access network where the roaming WCD is currently located, wherein the WCD roaming control information comprises information about at least one of a predicted future movement of the roaming WCD or a reported destination of the roaming WCD provided by a user in advance to roaming, and if the ping was unsuccessful, then broaden a search scope and repeat the pinging.