Power management for wireless devices

Details Power management for wireless devices Power management for wireless devices

2011-01-04

2011-01-04

Phan, Huy (Department: 2617)

Multiplex communications

Communication over free space

Signaling for performing battery saving

C370S310000, C370S328000, C370S338000, C455S574000, C455S343200, C455S343500

Reexamination Certificate

active

07864720

ABSTRACT:
In some embodiments, a method to manage power in a wireless communication device, comprises in a wireless networking adaptor, changing an operational status of a wireless networking adaptor to a sleep mode and transmitting a sleep message from the wireless networking adaptor to a host driver in an electronic device coupled to the networking adaptor, in the electronic device, determining whether a sleep duration specified in the sleep message exceeds a threshold, in response to a determination that the sleep duration specified in the sleep message exceeds a threshold implementing a selective suspend operation on the electronic device, and monitoring for a wake event, and in response to a determination that the sleep duration specified in the sleep message does not exceed a threshold, flushing one or more bulk IN buffers, and monitoring for a wake event.

REFERENCES:
patent: 2003/0131227 (2003-07-01), Gardiner et al.
patent: 2005/0190799 (2005-09-01), Coffin et al.
patent: 2006/0043208 (2006-03-01), Graham

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