Article Figures & Data
Figures
- FIGURE 1
First sample time error w.r.t ambiguity time
- FIGURE 2
Cumulative distribution function of ambiguity time of convergence
- FIGURE 3
Coarse time DOP w.r.t ambiguity time of convergence
- FIGURE 4
2-D histogram of coarse time DOP and ambiguity time of convergence
- FIGURE 5
The logarithm of CTDOP w.r.t number of satellites
- FIGURE 6
Histogram of number of satellites
- FIGURE 7
Probability distribution of first sample time error
- FIGURE 8
GPS navigation message structure
- FIGURE 9
Proposed algorithm
- FIGURE 10
Schematic of the proposed method
- FIGURE 11
Detected parity check points within 61 bits, 91 bits, and 121 bits, obtained by Monte-Carlo simulation with random data
- FIGURE 12
Detected parity check points within 91 and 121 bits and have 30 bits separations, obtained by Monte-Carlo simulation with random data
Tables
Ambiguity Time (millisecond) 10 20 50 100 150 200 Convergence Prob. (%) 2.1 13.0 57.5 91.2 96.9 99.0 - TABLE 2
False alarm probability obtained by MC simulation when considering 30 bits separations
Number of detected groups 1 2 3 or more 91 random bits 0.70 % 0.01 % 0.01 % 121 random bits 1.37 % 0.04 % 0.04 % PRN 19 12 2 6 24 FA prob. for finding 1 fag 2.89 % 2.68 % 2.91 % 2.22 % 2.60 % FA prob. for finding 2 cont. flags 0 % 0.01 % 0.08 % 0 % 0 % FA prob. for finding 3 cont. flags 0 % 0 % 0 % 0 % 0 %
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