Patent ID: 7738432
Filing Date: 2010-06-15
Classification: H04L,H04W

Abstract:
1. A wireless communication device for Internet-Protocol (IP) communications with a packet-switched network, the wireless communication device comprising: an IP network stack; a network interface device; and a dynamic activation module to couple to the network interface device and to open a virtual network connection to an operating system of the wireless communication device, wherein the virtual network connection comprises an indication that the packet-switched network is ready and a provision of a private IP address during a time of actual disconnection from the packet-switched network, the private IP address to allow the IP network stack to send data packets to a buffer during the time of actual disconnection, wherein the dynamic activation module is configured to open a real network connection comprising an indication that the packet-switched network is ready and a provision of an actual IP address associated with the packet-switched network, wherein the real network connection comprises a packet data protocol (PDP) context that is deactivated when no activity is sensed and the dynamic activation module is to activate the virtual network connection when a deactivation of the PDP context is sensed, wherein the wireless communication device transitions from the virtual network connection to the real network connection by activating the PDP context when receiving an IP packet for transmission to the packet-switched network, the dynamic activation module to rewrite an IP address header with a network-supplied address prior to transmission of the IP packet, and wherein the packet-switched network comprises a serving general packet radio system (GPRS) support node (SGSN) and a backbone GPRS support node (GGSN) coupled with an Internet service provider (ISP).