Performance comparison of centralised and distributed CSS over fading channels in cognitive radio

Girraj SharmaDepartment of Electronics and Communication Engineering, Malaviya National Institute of Technology, Jaipur, India

Ritu SharmaDepartment of Electronics and Communication Engineering, Malaviya National Institute of Technology, Jaipur, IndiaCorrespondence[email protected]
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Chau YuenSingapore University of Technology and Design, Singapore

(Reviewing Editor)

Figures & data

Figure 1. (a) Distributed CSS, (b) Cluster based distributed CSS.

Figure 2. Performance of Rayleigh fading channel for different fusion rules.

Figure 3. Performance of Nakagami fading channel (m = 3) for different fusion rules.

Figure 4. Performance of Rician fading channel (k = 3) for different fusion rule.

Figure 5. Complimentary ROC plot of OR-OR fusion for different fading channel.

Figure 6. Performance of OR-OR fusion for different number of clusters (number of CR user in cluster is 2) L is the number of clusters.

Figure 7. Performance of OR-OR fusion for different number CR users in a clusters (number of cluster is 3) N is the number of CR users in a cluster.