Patent ID: 8285200
Filing Date: 2012-10-09
Classification: H04L,H04W

Abstract:
1. A method of maintaining a connection between a mobile terminal and a network element in a network, the method, comprising: exchanging keep alive messages between the mobile terminal and the network element over an Internet Protocol connection; altering a time interval between the keep alive messages exchanged between the mobile terminal and the network element; monitoring the Internet Protocol connection to determine if disconnection of the IP connection occurs as a result of the altering of the time interval between the keep alive messages; determining a value for the time interval, the value being determined such that the Internet Protocol connection with the network element is not disconnected and further determined based on an associated cost to send the keep-alive messages; wherein, the cost to send the keep-alive messages includes battery life of the mobile terminal; wherein, the time intervals are further determined based on a cumulative probability function for the disconnection of the IP connection as a function of the time interval; and setting the time interval to be the value.