Delayed host wakeup for wireless communications device
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United States of America Patent
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N/A
Issued Date -
Oct 11, 2007
app pub date -
Apr 10, 2006
filing date -
Apr 10, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A new and unique method or apparatus for power savings in a node, point, terminal or device in a wireless local area network (WLAN), or other suitable network, featuring one or more steps for delaying forwarding one or more data packets from a WLAN chipset to a host processor based on information received by the WLAN chipset about whether the host processor is in a sleep state. The host processor has a clock request pin to indicate when it is in the sleep state. The WLAN chipset has a pin that is connected to a sleep state signal of the host processor so that the WLAN chipset knows when it can wake up the host processor or not. The WLAN chipset has an internal threshold timer to fulfil latency requirements for delivering packets to the host processor.
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