Article Figures & Data
Figures
- FIGURE 1
A schematic diagram of the spoofer localization system.
- FIGURE 2
Paths of authentic signals and spoofing signals
- FIGURE 3
Receiver arrangements on the ground in the simulations
- FIGURE 4
Comparison between Pind and empirical PD, when PFA = 0.01, L = 30, and tB = 100 ms
- FIGURE 5
Overall detector operating characteristics, when g = 100 m, L = 30, and tB = 100 ms
- FIGURE 6
Minimum PD during a whole day, while PFA = 0.01 and L = 30, without spoofing signals
- FIGURE 7
Minimum PD during a whole day, while g = 200 m and tB = 100 ms, without spoofing signals
- FIGURE 8
Minimum PD during a whole day, while PFA = 0.01 and L = 30, with spoofing signals
- FIGURE 9
Minimum PD during a whole day, while g = 250 m and tB = 100 ms, with spoofing signals
- FIGURE 10
Comparison of SPEB and ASPE of spoofer position estimation
- FIGURE 11
Deployment of the GPS receivers in the field experiment
- FIGURE 12
Sky plot of available satellites of GPS during the field experiment
- 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
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
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
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
Estimated receiver and spoofer positions. (a) Horizontal position estimations. (b) Altitude estimations.
Tables
RMSE East(m) North(m) Up(m) ASPE(m2) Receiver 1 0.529 1.050 0.789 2.006 Receiver 2 1.233 2.004 0.797 6.172 Receiver 3 0.666 1.495 0.836 3.378 Receiver 4 0.656 1.351 0.880 3.031 Spoofer 4.068 5.098 0.790 43.164
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