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Figure 3 | EURASIP Journal on Wireless Communications and Networking

Figure 3

From: Spectrum sensing with spatial signatures in the presence of noise uncertainty and shadowing

Figure 3

Area under the ROC curve (AUC) for analyzing the sensitivity to shadowing:  N=1 0 0 andM=2 5 0,P 0 =- 1 6 dB andσ f =0 dB. (a) ROC curves of σ Δ σ =0 dB. (b) ROC curves of σ Δ σ =5 dB. In this figure, we plot the area under the ROC curves (AUCs) to analyze the sensitivity to shadowing for the case when P0 = -16 dB and σ f  = 0 dB. Further details about this figure are given in subsection with the heading Experiment 3 in Section 6.

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