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Table 12 Positioning accuracy with different weighting schemes and no masks

From: Machine learning based GNSS signal classification and weighting scheme design in the built environment: a comparative experiment

Weighting scheme

Signal

Elevation and C/N0 masks

Horizontal mean (m)

Horizontal standard deviation (m)

Vertical mean (m)

Vertical standard deviation (m)

3D mean (m)

3D standard deviation (m)

(i)

NLOS + LOS

Yes

10.825

7.794

38.669

21.898

42.488

22.558

(ii)

NLOS + LOS

Yes

8.986

6.932

32.283

20.300

35.559

20.988

(iii)

NLOS + LOS

Yes

8.280

5.453

23.003

19.042

26.724

19.717

(iv)

NLOS + LOS

Yes

11.594

8.309

27.865

20.750

32.707

21.469

(v)

NLOS + LOS

Yes

13.773

9.444

39.471

25.453

44.931

25.683

(vi)

NLOS + LOS

Yes

14.074

9.633

40.407

26.144

46.055

26.313

(vii)

NLOS + LOS

Yes

8.239

5.495

15.579

18.982

20.304

19.327

(viii)

NLOS + LOS

Yes

6.571

4.774

9.258

10.040

13.381

11.300