Table 1 The difference between the estimated value and measured value of RSS (dBm)
From: Cost-efficient BLE fingerprint database construction approach via multi-quadric RBF interpolation
Coordinates | Radius (m) | ||||
|---|---|---|---|---|---|
3.0 | 4.0 | 5.0 | 6.0 | 7.0 | |
(41.8, 6.6) | 5.3 | 5.2 | 1.9 | 2.0 | 2.0 |
(42.6, 6.6) | 3.1 | 1.6 | 1.9 | 2.0 | 2.0 |
(45.0, 6.6) | 0.2 | 4.2 | 3.2 | 4.0 | 3.9 |
(45.8, 6.6) | 0.5 | 1.9 | 2.2 | 2.3 | 2.4 |
(37.0, 5.0) | 2.2 | 7.7 | 0.5 | 0.5 | 0.4 |
(37.8, 5.0) | 5.3 | 7.8 | 8.8 | 8.8 | 8.8 |
(40.2, 5.0) | 1.4 | 5.2 | 1.5 | 1.5 | 1.5 |
(41.0, 5.0) | 0.9 | 0.6 | 0.5 | 0.6 | 0.6 |
(42.6, 5.0) | 3.2 | 1.4 | 1.4 | 1.5 | 1.4 |
(43.4, 6.6) | 4.1 | 5.2 | 4.2 | 5.3 | 5.2 |
(44.2, 6.6) | 3.7 | 1.9 | 1.9 | 1.9 | 1.9 |
(46.6, 6.6) | 0.5 | 5.0 | 1.0 | 1.0 | 1.0 |
(38.6, 3.4) | 3.0 | 3.1 | 2.8 | 2.9 | 2.8 |
(39.4, 3.4) | 3.8 | 2.4 | 2.5 | 2.5 | 2.6 |
(40.2, 3.4) | 2.1 | 2.2 | 2.3 | 2.3 | 2.4 |
(41.8, 3.4) | 1.7 | 5.9 | 1.2 | 1.2 | 1.2 |
(42.6, 3.4) | 1.2 | 6.3 | 2.1 | 2.2 | 2.2 |
(43.4, 3.4) | 1.9 | 1.6 | 1.8 | 1.8 | 1.9 |
(45.0, 3.4) | 5.8 | 5.6 | 4.2 | 5.2 | 5.1 |
(45.8, 3.4) | 1.3 | 8.2 | 0.8 | 0.8 | 0.7 |