Patent ID: 8660617

Claim:
A method for managing power consumption in a subscriber station in a wireless communication system, the method comprising: engaging the subscriber station in sleep mode; and while the subscriber station is in the sleep mode, receiving, at the subscriber station, a first portion of a frame, the first portion including (i) a downlink map (DLMAP) and (ii) at least one of (a) an uplink map (ULMAP) or (b) a downlink channel descriptor (DCD) message, analyzing only the first portion to determine if there is a wake up indicator in the first portion at a location after (i) the DLMAP and (ii) at least one of (a) the ULMAP or (b) the DCD message, and directing the subscriber station to exit the sleep mode if the wake up indicator is present in the first portion at the location after (i) the DLMAP and (ii) at least one of (a) the ULMAP or (b) the DCD message, or otherwise maintaining the subscriber station in the sleep mode.