Patent ID: 9515990
Filing Date: 2016-12-06
CPC Classification: H04L,H04W

Claim Text:
1. A method for communicating a reregistration value for proxy mobile IP (PMIP) communication sessions to a mobile device, the method comprising: receiving a request for an Internet Protocol (IP) address that is used to establish an IP communication session between a particular mobile device and a wireless communications network, wherein the IP communication session is established as a PMIP communication session; authenticating the mobile device to the wireless communications network, the authenticating comprising, computing a reregistration value, wherein computing the reregistration value comprises creating a new attribute that comprises the reregistration value to communicate to the mobile device; and communicating a message to the mobile device, the message including the assigned IP address and the reregistration value, wherein the reregistration value indicates a time prior to expiration of the PMIP communication session, wherein the reregistration value allows the mobile device to reregister the PMIP communication session when the PMIP communication session has expired or renew the current PMIP communication session prior to the expiration of the PMIP communication session.