Wake-up-receiver frame permitting identification by non-compatible receiver
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United States of America Patent
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Jul 2, 2019
Grant Date -
Jan 18, 2018
app pub date -
Apr 25, 2017
filing date -
Jul 14, 2016
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Abstract
Methods and systems for formatting and transmitting a wake-up signal for electronic devices having a wake-up receiver circuit. A low-power wake-up signal is transmitted, the wake-up signal comprising a wake-up frame including a legacy preamble decodable by legacy electronic devices and a wake-up packet decodable by the wake-up receiver circuit in a non-legacy electronic device. The legacy preamble includes information detectable by at least one of the legacy electronic devices indicating that the wake-up frame is not a valid frame for the at least one legacy electronic device, such as where the legacy electronic device is a IEEE 802.11n/ac/ax device.
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