Fig. 2From: Optimal fusion rule for distributed detection in clustered wireless sensor networksFunctional diagram for the clustered WSN. Pentagram: intruder; x i : location of ith SN; a(x i ): intruder’s signal at ith SN; n(x i ): sensing AWGN at ith SN. SN sensor node, CH cluster head, FC fusion center, \(\mathcal {C}_{m}\) mth clusterBack to article page