REVIEW article
Front. Phys.
Sec. Space Physics
Volume 13 - 2025 | doi: 10.3389/fphy.2025.1569385
This article is part of the Research TopicFrontiers in Multi-Source Positioning, Navigation and Timing (PNT)View all 12 articles
Overview of the system-level anti-jamming capability and Developmental Challenges of Low-Earth-Orbit Signal-of-Opportunity
Provisionally accepted
Lihao Yao1,2*
Honglei Qin1Sumin Chen1,3Jingwen Yao1Changhong Wang1,2Deyong Xian2Mengli Wang2Xuyu Wang2Jiemin Shen2Dongfang Jiang2Heng Wei2Bingjie Liu2Haoyuan Yu2Boyun Gu4Shuai Shao5
Bin Fan6- 1Beihang University, Beijing, China
- 2Beijing Satellite Navigation Center (BSNC), Beijing, China
- 3COMAC Shanghai Aircraft Design and Research Institute, Shanghai, China
- 4Beijing Institute of Technology, Beijing, Beijing Municipality, China
- 5Shaanxi Datang Gas Safety Technology Co., LTD. Beijing branch, Beijing, China
- 6PLA Army Academy of Artillery and Air Defense, Hefei, China
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Signal-of-Opportunity (SOP) navigation based on Low-Earth-Orbit (LEO) satellite constellations has increasingly become a research hotspot. Due to the large number of LEO satellites, wide spectrum coverage, and strong signal power, LEO satellite Signal-of-Opportunity (LEO-SOP) inherently possess strong anti-jamming capabilities. However, there has been limited in-depth research on the overall system-level anti-jamming capability of LEO-SOP. This paper reviews the current state of research on LEO-SOP and anti-jamming technologies, introduces the principles of LEO-SOP Doppler-based positioning and receiver operation, and analyzes the system-level anti-jamming capability of LEO-SOP. Additionally, it explores the key challenges in the development of LEO-SOP anti-jamming technologies and discusses future research directions. This study aims to provide insights into the development prospects of LEO-SOP anti-jamming technologies, promote further research and development efforts, and establish a solid technical foundation for the secure application of LEO-SOP. Ultimately, ensuring the integrity and resilience of LEO-SOP systems against complex threats.
Keywords: Signal of Opportunity1,, Low-Earth-Orbit satellite2,, system-level anti-jamming capability3,, anti-jamming4,, GNSS5,, PNT6
Received: 31 Jan 2025; Accepted: 30 Jun 2025.
Copyright: © 2025 Yao, Qin, Chen, Yao, Wang, Xian, Wang, Wang, Shen, Jiang, Wei, Liu, Yu, Gu, Shao and Fan. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
* Correspondence: Lihao Yao, Beihang University, Beijing, China
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