Patent ID: 8467348
Filing Date: 2013-06-18
Classification: H04W,Y02D

Abstract:
1. A method of managing a mobile station which is associated with a serving Access Point and interacting with a candidate Access Point for handoff while roaming, comprising: initially maintaining the mobile station in a default idle stable state at a minimum level of activity and power consumption sufficient to receive an incoming call using an autonomous station connection manager, wherein the autonomous station connection manager maintains an association of the mobile station with the serving Access Point; while in said default idle stable state, periodically polling according to a polling period and scanning calls coming into the mobile station using DTIM (Delivery Traffic Indication Message) to detect the candidate Access Point, wherein the polling period is determined by: sending a null frame to trigger corresponding frame transmission at the detected candidate Access Point; verifying if the null frame is acknowledged by the detected candidate Access Point, and if the null frame is acknowledged, then configuring the autonomous station connection manager for: