Research Article
Performance Improvement Design of Bluetooth Low Energy-Based Wireless Indoor Positioning Systems
Table 6
Recommended value for the number of required RNs for traditional IPSs.
| Performance requirements | Building M (1,600 m2) | Building L (3,600 m2) | Proximity | Trilateration | Scene analysis | Proximity | Trilateration | Scene analysis |
| Error dis. ≤ 7 m (fair level) | 7 | N/A | N/A | 9 | N/A | N/A | Error dis. ≤ 6 m | 9 | N/A | N/A | 13 | N/A | N/A | Error dis. ≤ 5 m (medium level) | 12 | 11 | 28 (Gf = 4) | 22 | 20 | 29 (Gf = 4) | Error dis. ≤ 4 m | 20 | 15 | 23 (Gf = 3) | 36 | 25 | 30 (Gf = 3) | Error dis. ≤ 3 m (good level) | 37 | 27 | 22 (Gf = 2) | 64 | 42 | 30 (Gf = 2) | Error dis. ≤ 2 m | — | 50+ | — | — | 70+ | — |
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