Communication system determining time of arrival using matching pursuit

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United States of America Patent

PATENT NO 11695672
SERIAL NO

17558932

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A wireless receiver receives location pilots embedded in received symbols and uses the location pilots to detect the first path for every base station the network has designated for the receiver to use in time of arrival estimation. The receiver preferably applies matching pursuit strategies to offer a robust and reliable identification of a channel impulse response's first path. The receiver may also receive and use estimation pilots as a supplement to the location pilot information in determining time of arrival. The receiver can use metrics characteristic of the channel to improve the robustness and reliability of the identification of a CIR's first path. With the first path identified, the receiver measures the time of arrival for signals from that path and the receiver determines the observed time difference of arrival (OTDOA) to respond to network requests for OTDOA and position determination measurements.

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Patent Owner(s)

Patent OwnerAddress
PHY WIRELESS LLC4660 LA JOLLA VILLAGE DR SUITE 875 SAN DIEGO CA 92128

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
De, Victoria Fernando Lopez San Diego, US 6 35
Thompson, Steven C San Diego, US 36 553

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