Patent ID: 6434134
Filing Date: 2002-08-13
Classification: H04L,H04W,Y02D

Abstract:
A method of assigning a packet routing address for a wireless device accessing a wired subnet, said method comprising the steps of:identifying an attempt by said wireless device to establish a wireless link with a base station serviced by said wired subnet; registering a subnet packet routing address corresponding to said wireless device upon identifying said attempt; designating said wired subnet as a home domain associated with said wireless device, said home domain being dynamically alterable according to a location of said wireless device, utilizing said subnet packet routing address for said wireless device for so long as said wireless link is maintained with any base station serviced by said wired subnet discerning a handoff of said wireless device to a base station serviced by a second wired subnet, said second wired subnet being a foreign domain; registering a second subnet packet routing address for said wireless device; and utilizing said second subnet packet routing address as a care-of address for said wireless device for so long as said wireless link is maintained with any base station serviced by said second wired subnet.