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ThinkMind // ICWMC 2015, The Eleventh International Conference on Wireless and Mobile Communications // View article icwmc_2015_1_20_20033


An Improved Unambiguous CBOC Signal Tracking Scheme in the Galileo System

Authors:
Sunghyuk Woo
Keunhong Chae
Huaping Liu
Seokho Yoon

Keywords: GNSS, CBOC, tracking, ambiguity

Abstract:
Based on the cancellation and reinforcement of the autocorrelation side-peaks and main-peak, respectively, this paper proposes an improved unambiguous tracking scheme for composite binary offset carrier (CBOC) signals used in the Galileo system. Dividing the CBOC autocorrelation into multiple partial correlations, first, we obtain individual correlation components making up the autocorrelation side-peaks and main-peak. Then, we re-combine the components to cancel out the side-peaks, and at the same time, to reinforce the main-peak, thus yielding a correlation function with no side-peaks and a sharp main-peak. Numerical results demonstrate that the proposed scheme provides a significant improvement in tracking performance over the conventional schemes.

Pages: 3 to 7

Copyright: Copyright (c) IARIA, 2015

Publication date: October 11, 2015

Published in: conference

ISSN: 2308-4219

ISBN: 978-1-61208-433-6

Location: St. Julians, Malta

Dates: from October 11, 2015 to October 16, 2015

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