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Research ArticleOriginal Article
Open Access

A Flexible GNSS Spoofer Localization System: Spoofing Discrimination and Localization Method

Jian Wen, Hong Li, and Mingquan Lu
NAVIGATION: Journal of the Institute of Navigation March 2022, 69 (1) navi.511; DOI: https://doi.org/10.33012/navi.511
Jian Wen
Department of Electronic Engineering, Beijing National Research Center for Information Science and Technology (BNRist), Tsinghua University, Beijing 100084, China
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Hong Li,
Department of Electronic Engineering, Beijing National Research Center for Information Science and Technology (BNRist), Tsinghua University, Beijing 100084, China
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  • For correspondence: [email protected]
Mingquan Lu
Department of Electronic Engineering, Beijing National Research Center for Information Science and Technology (BNRist), Tsinghua University, Beijing 100084, China
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  • FIGURE 1
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    FIGURE 1

    A schematic diagram of the spoofer localization system.

  • FIGURE 2
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    FIGURE 2

    Paths of authentic signals and spoofing signals

  • FIGURE 3
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    FIGURE 3

    Receiver arrangements on the ground in the simulations

  • FIGURE 4
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    FIGURE 4

    Comparison between Pind and empirical PD, when PFA = 0.01, L = 30, and tB = 100 ms

  • FIGURE 5
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    FIGURE 5

    Overall detector operating characteristics, when g = 100 m, L = 30, and tB = 100 ms

  • FIGURE 6
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    FIGURE 6

    Minimum PD during a whole day, while PFA = 0.01 and L = 30, without spoofing signals

  • FIGURE 7
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    FIGURE 7

    Minimum PD during a whole day, while g = 200 m and tB = 100 ms, without spoofing signals

  • FIGURE 8
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    FIGURE 8

    Minimum PD during a whole day, while PFA = 0.01 and L = 30, with spoofing signals

  • FIGURE 9
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    FIGURE 9

    Minimum PD during a whole day, while g = 250 m and tB = 100 ms, with spoofing signals

  • FIGURE 10
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    FIGURE 10

    Comparison of SPEB and ASPE of spoofer position estimation

  • FIGURE 11
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    FIGURE 11

    Deployment of the GPS receivers in the field experiment

  • FIGURE 12
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    FIGURE 12

    Sky plot of available satellites of GPS during the field experiment

  • FIGURE 13
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    FIGURE 13

    Examples of GLRT results of a pair of authentic signals: (a) Test statistics of PRN-16 and PRN-26; (b) Test statistics of PRN-22 and PRN-32; (c) Test statistics of PRN-22 and PRN-26; and (d) Test statistics of PRN-26 and PRN-31

  • FIGURE 14
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    FIGURE 14

    Examples of GLRT results of an authentic signal and a spoofing signal: (a) Test statistics of PRN-16 and PRN-28; (b) Test statistics of PRN-22 and PRN-17; (c) Test statistics of PRN-26 and PRN-19; and (d) Test statistics of PRN-31 and PRN-28

  • FIGURE 15
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    FIGURE 15

    GLRT results of PRN-32 and a spoofing signal: (a) depicts the test statistics of PRN-32 and PRN-17 while (b) depicts the test results of PRN-32 and PRN-17; (c) depicts the test statistics of PRN-32 and PRN-19 while (d) depicts the test results of PRN-32 and PRN-19; and (e) depicts the test statistics of PRN-32 and PRN-28 while (f) depicts the test results of PRN-32 and PRN-28.

  • FIGURE 16
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    FIGURE 16

    GLRT results of a pair of spoofing signals: (a) depicts the test statistics of PRN-17 and PRN-19 while (b) depicts the test results of PRN-17 and PRN-19; (c) depicts the test statistics of PRN-17 and PRN-28 while (d) depicts the test results of PRN-17 and PRN-28; and (e) depicts the test statistics of PRN-19 and PRN-28 while (f) depicts the test results of PRN-19 and PRN-28.

  • FIGURE 17
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    FIGURE 17

    Estimated receiver and spoofer positions. (a) Horizontal position estimations. (b) Altitude estimations.

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    TABLE 1

    RMSE and ASPE of position estimations

    RMSEEast(m)North(m)Up(m)ASPE(m2)
    Receiver 10.5291.0500.7892.006
    Receiver 21.2332.0040.7976.172
    Receiver 30.6661.4950.8363.378
    Receiver 40.6561.3510.8803.031
    Spoofer4.0685.0980.79043.164

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NAVIGATION: Journal of the Institute of Navigation: 69 (1)
NAVIGATION: Journal of the Institute of Navigation
Vol. 69, Issue 1
Spring 2022
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A Flexible GNSS Spoofer Localization System: Spoofing Discrimination and Localization Method
Jian Wen, Hong Li,, Mingquan Lu
NAVIGATION: Journal of the Institute of Navigation Mar 2022, 69 (1) navi.511; DOI: 10.33012/navi.511

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A Flexible GNSS Spoofer Localization System: Spoofing Discrimination and Localization Method
Jian Wen, Hong Li,, Mingquan Lu
NAVIGATION: Journal of the Institute of Navigation Mar 2022, 69 (1) navi.511; DOI: 10.33012/navi.511
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  • Article
    • Abstract
    • 1 INTRODUCTION
    • 2 SPOOFING DISCRIMINATION
    • 3 SPOOFER LOCALIZATION
    • 4 REQUISITE SIGNAL PROCESSING
    • 5 EXPERIMENT AND RESULTS
    • 6 CONCLUSION
    • HOW TO CITE THIS ARTICLE
    • ACKNOWLEDGMENTS
    • APPENDIX A DEDUCTION OF QUASI-SYNCHRONIZED TDOA MEASUREMENTS
    • REFERENCES
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  • Improving GNSS Positioning Using Neural-Network-Based Corrections
Show more Original Article

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Keywords

  • GNSS
  • multiple receivers
  • spoofing discrimination
  • spoofer localization
  • TDOA

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