APPARATUS AND METHODS FOR DETERMINING STATUS OF A TRACKING LOOP
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United States of America Patent
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Issued Date -
Nov 27, 2014
app pub date -
Mar 5, 2014
filing date -
May 24, 2013
priority date (Note) -
Abandoned
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Abstract
A receiver associated with a positioning system is provided. The receiver comprises a tracking loop and a signal strength calculating module. The tracking loop is configured for tracking a positioning signal and generating an in-phase signal and a quadrature signal based on the positioning signal. The signal strength calculating module is configured for calculating a first evaluation value and a second evaluation value related to the positioning signal based on the in-phase signal and the quadrature signal, respectively, and determining a status of the tracking loop based on at least one of the first evaluation value and the second evaluation value.
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