Patent ID: 6654359
Filing Date: 2003-11-25
Classification: H04L,H04W

Abstract:
A method of providing wireless access to an IP packet-based network, said method comprising the steps of:defining a first domain, said first domain including a first group of base stations; providing a home agent for a wireless device within said first domain; assigning a first address for delivery of a plurality of packets to said wireless device, said first address utilized when said wireless device is attached to said packet-based network through a base station included within said first domain; receiving, at said home agent, a second address for said wireless device when said wireless device is attached to said packet-based network through a base station excluded from said first domain; and tunneling said plurality of packets from said home agent to said second address for said wireless device if said wireless device is attached to said packet-based network through said base station excluded from said first domain, wherein said first address continues to be utilized by said network for delivery of said plurality of packets to said wireless device when said wireless device is handed off to any base station included within said first domain.