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논문 기본 정보

자료유형
학술저널
저자정보
Hoan Nguyen Viet (Pukyong National University) Suk-Hwan Lee (Tongmyong University) Ki-Ryong Kwon (Pukyong National University)
저널정보
한국멀티미디어학회 멀티미디어학회논문지 멀티미디어학회논문지 제21권 제5호
발행연도
2018.5
수록면
545 - 557 (13page)

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초록· 키워드

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The Global Positioning System (GPS) has become popular and widely used in many fields from military to civilian applications. However, GPS signals are suffered from interference due to its weak signal over wireless channel. There are many types of interference, such as jamming, blocking multipath, and spoofing, which can mislead the operation of GPS receiver. In this paper, vector-based tracking loop model with integrity check is proposed to detect and mitigate the harmful effect of interference on GPS receiver operation. The suggested methods are implemented in the tracking loop of GPS receiver. As a first method, integrity check with carrier-to-noise ratio (C/No) monitoring technique is applied to detect the presence of interference and prevent contaminated channels out of tracking channels to calculate position. As a second method, a vector-based tracking loop using Extended Kalman Filter with adaptive noise covariance according to C/No monitoring results. The proposed methods have been implemented on simulated dataset. The results demonstrates that the suggested methods significantly mitigate interference of Additive White Gaussian Noise (AWGN) and improve position calculation by 44%.

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ABSTRACT
1. INTRODUCTION
2. RELATED WORKS
3. PROPOSED ANTI-INTERFERENCE METHOD
4. SIMULATION RESULTS
5. CONCLUSION
REFERENCE

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