Power management for wireless devices
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United States of America Patent
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Apr 23, 2013
Grant Date -
Apr 28, 2011
app pub date -
Jan 3, 2011
filing date -
Jun 1, 2007
priority date (Note) -
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status (Latency Note)
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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.
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