Figure 5From: Security-reliability trade-off for cognitive radio networks in the presence of eavesdropping attack Intercept probability versus outage probability of conventional direct transmission and proposed multiuser scheduling schemes for different γ p . N = 8, P a = 0.8, P d = 0.9, P f = 0.1, σ CBS ‒ CU 2 = σ CBS ‒ CU i 2 = 1 , σ CBS ‒ Eav 2 = σ PBS ‒ Eav 2 = σ PBS ‒ CU 2 = σ PBS ‒ CU i 2 = 0.5 , and γ s = 10 dB.Back to article page