Research Article

Mobile Base Station and Clustering to Maximize Network Lifetime in Wireless Sensor Networks

Table 2

The approximate minimum number of clusters as it varies with node degree, from (2). The approximate , from (5) at relaxed delay requirement.

Node degree 8 9 10 11 12 13 14 15 16 17 18 19 20

4 5 5 5 6 6 7 7 8 8 9 9 10