US Patent 7933635 Adjustment of parameters based upon battery status

In a wireless local area network, a battery status of a mobile device is determined, battery status data based upon the battery status is generated, and a listen interval between a mobile device and an access point is adjusted based upon the battery status. Listen interval data is generated based upon the listen interval, an association request frame is wirelessly transmitted from the mobile device to the access point during the listen interval. The association request frame includes the battery status data and/or the listen interval data.