Beacon jitter prediction for wireless local area network (LAN) devices

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United States of America Patent

PATENT NO 9681373
APP PUB NO 20140376432A1
SERIAL NO

14298987

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Abstract

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A method for activating a wireless communication device, the method may include receiving, by the wireless communication device, a sequence of periodic transmissions; estimating, for each periodic transmission of the sequence of periodic transmissions and before a reception of the periodic transmission, an expected time of arrival of the periodic transmission; calculating, for each periodic transmission, a timing difference attribute that is responsive to at least a difference between a timing of arrival of the periodic transmission and an expected time of arrival of the periodic transmission; selecting a selected periodic transmission out of the sequence of periodic transmissions, wherein the selected periodic transmission is associated with a smallest timing difference attribute out of the timing difference attributes associated with the periodic transmissions of the sequence of periodic transmissions; estimating, before a reception of a future periodic transmission that does not belong to the sequence of periodic transmissions, an estimated time of arrival of the future periodic transmission in response to the selecting of the selected periodic transmission and a periodic transmission period; determining a wakening time for wakening the wireless communication device in response to the estimated time of arrival of the future periodic transmission; and wakening the wireless communication device at the wakening time and searching for the future periodic transmission.

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Patent Owner(s)

Patent OwnerAddress
DSP GROUP LTD3 ARIK EINSTEIN ST HERZELIA 4659071

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Smith, Graham Kenneth El Dorado Hills, US 4 46

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