Fig. 6From: Secrecy outage of threshold-based cooperative relay network with and without direct linksOutage probability of balanced optimal relay selection scheme when either ICSI or SCSI is known with no direct link between both S−D and S−E for N=2,3, and 4; R s =1.0; 1/α=12,9,6, and 3 dB; and γth=3 dBBack to article page