Research Article
Two-Layer Hierarchy Optimization Model for Communication Protocol in Railway Wireless Monitoring Networks
Table 3
The relationship between network energy consumption and clusters’ number.
| Clusters’ number | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | -- |
| | 0.1454 | 0.1234 | 0.1156 | 0.1142 | 0.1220 | 0.1328 | 0.1457 | 0.1602 | 0.1761 | 0.1934 | 0.2119 | 0.2316 | 0.2524 | 0.2744 | 0.2976 | 0.3219 | 0.3473 | 0.3738 | 0.4014 | 0.4301 | 0.4600 | 0.4910 | 0.5231 | 0.5563 | 0.5907 | 0.6262 | -- | | 0.3932 | 0.2850 | 0.2333 | 0.2072 | 0.1942 | 0.1884 | 0.1867 | 0.1949 | 0.2072 | 0.2221 | 0.2391 | 0.2580 | 0.2786 | 0.3007 | 0.3244 | 0.3496 | 0.3763 | 0.4044 | 0.4339 | 0.4648 | 0.4971 | 0.5309 | 0.5660 | 0.6026 | 0.6405 | 0.6799 | -- | | 0.7776 | 0.5255 | 0.4007 | 0.3336 | 0.2958 | 0.2741 | 0.2618 | 0.2554 | 0.2527 | 0.2526 | 0.2711 | 0.2913 | 0.3129 | 0.3358 | 0.3599 | 0.3852 | 0.4117 | 0.4392 | 0.4678 | 0.4974 | 0.5280 | 0.5596 | 0.5922 | 0.6258 | 0.6603 | 0.6958 | -- | | 1.2984 | 0.8451 | 0.6179 | 0.4933 | 0.4208 | 0.3768 | 0.3497 | 0.3330 | 0.3229 | 0.3174 | 0.3149 | 0.3146 | 0.3369 | 0.3608 | 0.3860 | 0.4125 | 0.4402 | 0.4691 | 0.4991 | 0.5301 | 0.5623 | 0.5955 | 0.6297 | 0.6649 | 0.7011 | 0.7383 | -- |
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