Initially, R1 is a fixed value set according to the specific application environment and experience or experiment. The cluster head node wakes up the nodes within the radius R1 to obtain the number of nodes in the cluster N
At the beginning, R1 is a fixed value set according to the specific application environment and experience or experiment. The node in the wake-up radius R1 of the cluster head node is used to get the number of nodes in the cluster n<br>