Research Article

Authentication and Secrecy of Multicast Communication Scenario: Artificial Noise-Aided Costas Sequence Matrix FDA Approach

Figure 9

Secrecy energy efficiency (SEE) versus SNR: (a) proposed scheme with different values of ; (b) SEE curves comparisons between proposed scheme, leakage-based method in [15], and RFDA [29, 41].
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(b)