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Ranging technology using signals of opportunity of non-cooperative communication satellites

Published online by Cambridge University Press:  01 December 2020

Yuanyuan Gao Open the ORCID record for Yuanyuan Gao [Opens in a new window] ,
Yu Hua ,
Yu Xiang ,
Changjiang Huang ,
Shanhe Wang  and
Xian Zhao
Yuanyuan Gao*
Affiliation:
National Time Service Center, Chinese Academy of Sciences, Xi'an, China. Key Laboratory of Precision Navigation and Timing Technology, Chinese Academy of Sciences, Xi'an, China.
Yu Hua
Affiliation:
National Time Service Center, Chinese Academy of Sciences, Xi'an, China. Key Laboratory of Precision Navigation and Timing Technology, Chinese Academy of Sciences, Xi'an, China.
Yu Xiang
Affiliation:
National Time Service Center, Chinese Academy of Sciences, Xi'an, China. Key Laboratory of Precision Navigation and Timing Technology, Chinese Academy of Sciences, Xi'an, China.
Changjiang Huang
Affiliation:
National Time Service Center, Chinese Academy of Sciences, Xi'an, China. Key Laboratory of Precision Navigation and Timing Technology, Chinese Academy of Sciences, Xi'an, China.
Shanhe Wang
Affiliation:
National Time Service Center, Chinese Academy of Sciences, Xi'an, China. Key Laboratory of Precision Navigation and Timing Technology, Chinese Academy of Sciences, Xi'an, China. University of Chinese Academy of Sciences, Beijing, China
Xian Zhao
Affiliation:
National Time Service Center, Chinese Academy of Sciences, Xi'an, China. Key Laboratory of Precision Navigation and Timing Technology, Chinese Academy of Sciences, Xi'an, China.
*
*Corresponding author. E-mail: gaoyy@ntsc.ac.cn
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Abstract

The positioning technique employing the ubiquitous signals of opportunity of non-cooperative satellites does not send special navigation signals, instead it passively receives satellite signals as noise, presenting advantages of concealment and difficulty for potential attackers. Thus, this study investigates the ranging principle and model using non-cooperative communication satellites and a time difference estimation algorithm. The technology of time difference measurement under non-cooperative observation mode was determined and simulated. A test platform for time difference measurement was built to receive the signal from an unknown geostationary Earth orbit communication satellite and verify the ranging feasibility and performance. The ranging accuracy was found to be smaller than 6 m, as demonstrated by experimental data, which shows the viability of the proposed positioning technique for ranging technology.

Keywords

navigation via signals of opportunity (NAVSOP)very long baseline interferometry (VLBI)passive radar detectiontime difference measurement
Type
Research Article
Information
The Journal of Navigation , Volume 74 , Issue 2 , March 2021 , pp. 488 - 500
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Copyright
Copyright © The Royal Institute of Navigation 2020

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