FLECH: Fuzzy Logic Based Energy Efficient Clustering Hierarchy for Nonuniform Wireless Sensor Networks

Table 1

FLECH fuzzy if-then rules.

S. number	Residual energy	Node centrality	Distance to BS	Chance
1	Low	Close	Nearby	Rather low
2	Low	Reachable	Nearby	Low
3	Low	Distant	Nearby	Very low
4	Low	Close	Average	Rather low
5	Low	Reachable	Average	Low
6	Low	Distant	Average	Very low
7	Low	Close	Far	Rather low
8	Low	Reachable	Far	Low
9	Low	Distant	Far	Very low
10	Medium	Close	Nearby	Rather medium
11	Medium	Reachable	Nearby	Medium
12	Medium	Distant	Nearby	Low medium
13	Medium	Close	Average	Rather medium
14	Medium	Reachable	Average	Medium
15	Medium	Distant	Average	Low medium
16	Medium	Close	Far	Rather medium
17	Medium	Reachable	Far	Medium
18	Medium	Distant	Far	Low medium
19	High	Close	Near	Very high
20	High	Reachable	Near	High
21	High	Distant	Near	Rather high
22	High	Close	Average	Very high
23	High	Reachable	Average	High
24	High	Distant	Average	Rather high
25	High	Close	Far	Very high
26	High	Reachable	Far	High
27	High	Distant	Far	Rather high