Patent ID: 7437403
Filing Date: 2008-10-14
Classification: H04L,H04W,Y02D

Abstract:
1. An always-on wireless internet protocol (IP) network, comprising: an access provider network (APN) including an always-on packet data serving node (PDSN), the APN being operable to communicate over a wireless communication link with a mobile station; the PDSN including an inactivity timer, the PDSN being operable to set the inactivity timer to an inactivity timer starting value and send a starting value estimate to the mobile station over the wireless communication link, wherein the starting value estimate is a function of the inactivity timer starting value; the mobile station including an inactivity timer estimate, the mobile station being operable to receive the starting value estimate and set the inactivity timer estimate to the starting value estimate; and the mobile station being further operable to reset the inactivity timer estimate to the starting value estimate when the mobile station communicates with the APN.