Power savings with preamble in WLAN systems
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United States of America Patent
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Nov 5, 2019
Grant Date -
Feb 1, 2018
app pub date -
Mar 16, 2017
filing date -
Sep 12, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
In order to reduce power consumption of an electronic device during communication with another electronic device in a wireless local area network (WLAN), the electronic device analyzes fields in a given packet prior to a payload of the given packet to look for information that specifies a destination of the given packet. For example, the information may include: a full associated identification (AID) of the destination, a partial media-access-control (MAC) address of the destination; and/or a compressed (MAC) address of the destination. The information may be included in the preamble of the given packet. In particular, the information may replace length information in a high-throughput signal field in the given packet. Moreover, if the destination is other than the electronic device, the electronic device dumps the given packet and changes a power state of the electronic device, thereby reducing the power consumption.
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