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

Figure 5

The effect of number of clusters on the BS tour and the probability of finding a real cluster head. (a) The BS tour when 𝑟=1 and 𝑅=5𝑟. 𝐾_max is calculated from (5) at relaxed delay requirement. (b) The probability of finding a real cluster head, 𝑛=200, 𝑟=250, and 𝑅=5𝑟, from (6).

(a)

(b)