Speculative power save

Details Speculative power save Speculative power save

2007-01-31

2011-11-22

Karikari, Kwasi (Department: 2617)

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

C370S311000, C370S338000, C370S328000, C370S318000, C370S458000, C455S503000, C455S556100, C455S412100, C455S425000, C455S574000, C455S343400, C713S330000, C713S320000

Reexamination Certificate

active

08064411

ABSTRACT:
In an example embodiment, a method for speculative power saving. The beginning portion of a header (e.g. a physical layer convergence protocol “PLCP” header of a beacon) is processed to determine whether a predefined bit is set that indicates whether the frame contains any delivery traffic indication for buffered multicast and/or unicast frames. If the bit is set, indicating the frame contains no delivery traffic indication of buffered frames, receiving and processing of the frame stops (e.g. the remainder of the PPDU is not processed) and the receiver switches to a power save state. In an example embodiment, if a predefined NULL beacon frame is detected, receiving and processing of the frame (and PPDU) stops and the receiver switches to a power save state.

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