Table 3 Position error values obtained by navigation algorithm for optimal combinations of satellites in combined constellation (i.e., GPS and GLONASS).

From: Optimal satellite selection using quantum convolutional autoencoder for low-cost GNSS receiver applications

SOW

Time in

Hrs

Optimal 4 satellites selected by QCAE

Optimal 4 satellites selected by PSOSSM

Optimal 9 satellites selected by QCAE

Optimal 9 satellites selected by PSOSSM

All Visible satellites

x

(m)

y

(m)

z

(m)

x

(m)

y

(m)

z

(m)

x

(m)

y

(m)

z

(m)

x

(m)

y

(m)

z

(m)

x

(m)

y

(m)

z

(m)

523,560

2

4.21

28.01

11.92

6.67

31.25

17.58

4.19

27.99

11.48

5.57

29.36

14.22

4.18

27.96

11.37

523,680

4

4.50

25.04

9.68

7.01

29.85

9.69

4.49

25.02

9.02

6.42

28.01

9.92

4.48

24.33

8.97

523,800

6

4.29

27.99

11.33

7.11

33.44

17.25

4.27

27.96

11.01

6.99

30.21

14.03

4.21

27.38

10.92

523,920

8

4.61

24.89

10.01

7.27

29.85

19.45

4.58

24.88

9.23

6.88

27.27

15.01

4.53

24.83

8.22

524,040

10

9.01

26.27

10.03

21.33

57.23

27.56

8.99

25.99

9.99

19.65

54.25

23.02

8.42

24.99

9.41

524,160

12

4.29

27.39

11.27

7.28

31.52

25.68

4.24

26.36

10.99

6.77

29.85

22.02

4.04

26.14

8.03

524,280

14

5.59

22.02

12.31

8.99

25.65

18.96

5.55

21.99

10.65

6.29

24.27

17.26

5.41

21.90

10.20

524,400

16

7.11

27.22

14.99

18.33

32.45

17.85

6.01

26.32

14.02

15.03

29.44

15.24

5.37

26.06

13.10

524,520

18

8.71

28.21

14.44

14.28

42.69

20.36

8.67

27.11

14.35

11.36

39.55

18.27

8.19

27.09

12.29

524,640

20

6.33

28.27

15.29

11.29

42.99

19.86

6.27

28.02

15.22

9.25

41.23

16.77

6.15

27.56

14.88

524,760

22

7.34

29.56

13.59

14.57

35.21

19.63

7.29

29.01

13.57

8.57

31.02

15.01

7.28

28.31

12.81

524,880

24

9.91

27.14

14.09

13.57

33.67

18.42

9.88

27.02

12.24

12.44

30.21

15.44

9.84

26.16

12.10

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