Research Article
Two-Layer Hierarchy Optimization Model for Communication Protocol in Railway Wireless Monitoring Networks
Table 2
The relationship between optimal cluster number, network length, and sensors’ number.
| Sensors’ number | Network length/m | 300 | 500 | 1000 | 1500 | 2000 | 2500 | 3000 |
| 50 | 4.40 | 5.68 | 8.03 | 9.83 | 11.36 | 12.7 | 13.91 | 100 | 6.22 | 8.03 | 11.36 | 13.91 | 16.06 | 17.96 | 19.67 | 150 | 7.62 | 9.83 | 13.91 | 17.04 | 19.67 | 22.00 | 24.10 | 200 | 8.80 | 11.36 | 16.06 | 19.67 | 22.72 | 25.40 | 27.83 |
|
|