IEICE Electronics Express
Online ISSN : 1349-2543
ISSN-L : 1349-2543
LETTER
Novel optimal bandwidth design in INS-assisted GNSS Phase Lock Loop
Ping YeXingqun ZhanChunming Fan
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2011 Volume 8 Issue 9 Pages 650-656

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Abstract

Combining inertial navigation principles with signal processing, this paper first proposes a simplified but efficient mathematical model of INS-assisted second-order tracking loops so as to analyze the tracking capability. Secondly, the optimal bandwidth of INS-assisted Phase Lock Loop (PLL) is proposed to remove the period-amplitude outcome caused by Schuler frequency, and thus to ensure the absolutely satisfactory tracking capability. By theoretical simulation, the INS-assisted tracking ability superior to the receiver without aiding is quantized according to different grades of INS, and the optimal bandwidth is evaluated. The results verify the availability.

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© 2011 by The Institute of Electronics, Information and Communication Engineers
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