| ELECTRONIC ENGINEERING |
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Influence of spoofing interference on GNSS vector tracking loops |
| ZHANG Xinran1, LI Hong1, YANG Chun2, LU Mingquan1 |
1. Beijing National Research Center for Information Science and Technology, Department of Electronic Engineering, Tsinghua University, Beijing 100084, China;
2. China Academy of Engineering Physics, Mianyang 621000, China |
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Abstract Vector tracking technology is one of the key technologies of satellite navigation. As the threat of spoofing interference to satellite navigation security is increasing enormously, the influence of spoofing interference on vector receivers must be better understood to improve the anti-spoofing capability of vector tracking technology. This paper focuses on the influence of spoofing interference on three typical vector tracking loops. This study derives the mean tracking error caused by spoofing interference and the loss of lock conditions in the tracking loops. The analysis results were verified using a signal source simulator and a software receiver. The results show that spoofing interference can lead to non-zero mean tracking errors, reduce loop tracking accuracy, and even cause loop lock loses. Vector receivers can use this feature to improve anti-spoofing abilities.
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| Keywords
global navigation satellite systems
spoofing interference
vector tracking
consistency
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Issue Date: 14 January 2022
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2022,
Vol. 62
