Patent ID: 8259634
Filing Date: 2012-09-04
Classification: H04W,Y02D

Abstract:
1. A method, comprising: receiving a ranging request message from a mobile node at a destination base station in a wireless packet-switched network (WPSN), wherein no service context associated with the mobile node exists at the destination base station at a time of receiving the ranging request message, and wherein the mobile node is in a sleep mode; identifying an originating base station that previously served the mobile node by determining a base station identifier (BSID) associated with the originating base station from the ranging request message; retrieving an original service context associated with the mobile node, the original service context comprising at least one of a class of traffic or a quality of service associated with a connection maintained by the WPSN on behalf of the mobile node; and responding to the ranging request message with a ranging response message; wherein the original service context is retrieved by the destination base station from the originating base station based on the destination base station contacting the originating base station.