Clustering coefficient of wireless ad hoc networks and the quantity of hidden terminals

The clustering coefficient has been proposed to characterize complex networks. Hidden terminals may degrade the performance of the CSMA (carrier sense multiple access) protocol. This letter computes analytically the clustering coefficient and the quantity of hidden terminals for ad hoc networks. The former turns out to be a constant and the latter is proportional to n/sup 3/ p/sup 2/, where n is the number of nodes and p is the link probability. The connection between them has been established, and simulation results confirm our analytical work.