Patent ID: 7668097

Claim:
A method for dormant data session reactivation, comprising: receiving a first data packet by a packet control function in a radio access network, wherein the first data packet having a source IP address and a destination IP address and wherein the destination IP address coupled to reactivate a dormant mobile station coupled to the radio access network; receiving a plurality of subsequent data packets by the packet control function wherein the subsequent data packets having the source IP address, a subsequent destination IP address and a corresponding time stamp; comparing the subsequent destination IP address and the corresponding time stamp by the packet control function for each of the plurality of subsequent data packets; and denying the first data packet if at least a portion of the subsequent destination IP addresses are substantially sequential, and if an absolute value of a difference between each of the at least a portion of subsequent destination IP addresses that are sequential for a given difference in the corresponding time stamps is less than a threshold function, denying the first data packet.