Research Article
A Hybrid RSS/TOA Method for 3D Positioning in an Indoor Environment
Table 4
Rmse for 3D positioning error using TOA alone, RSS alone, hybrid RSS/TOA and hwls RSS/TOA.
| | Method | Coordinates | Variance (m) | Min Error (m) | Mean Error (m) | RMSE (m) |
| | TOA | | 1.50 | 1.023 | 1.04 | 5.75 | | 0.70 | 1.068 | 1.05 | | 1.80 | 1.12 | 1.38 |
| | RSS | | 1.75 | 1.34 | 1.80 | 6.1 | | 1.20 | 1.90 | 1.72 | | 2.01 | 1.40 | 2.40 |
| | Hybrid TOA/RSS | | 1.44 | 0.98 | 1.00 | 4.23 | | 0.50 | 0.97 | 0.99 | | 1.50 | 1.01 | 1.20 |
| | HWLS TOA/RSS | | 0.013 | 0.43 | 0.45 | 2.02 | | 0.012 | 0.15 | 0.20 | | 0.28 | 0.119 | 0.72 |
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