Method and apparatus for determining the time of arrival of an incoming satellite signal
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United States of America Patent
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Jun 9, 2020
Grant Date -
Jan 5, 2017
app pub date -
Jan 26, 2015
filing date -
Jan 24, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
Some embodiments are directed to a method of determining the time of arrival of an incoming satellite signal at a receiver, including receiving an incoming signal, multiplying of the incoming signal by a first real-valued periodic modifying signal to produce a first modified output, correlating the first modified output to obtain a first correlation output, multiplying the incoming signal by a second real-valued periodic modifying signal to produce a second modified output, correlating the second modified output to produce a second correlation output and comparing the first correlation output with the second correlation output.
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