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

Figure 3

Angle-range beamforming performances for distinct Costas sequence (CS) matrix adopted for desired group(s) authentication process: (a) N = 10, {1, 2, 4, 8, 5, 10, 9, 7, 3, 6}, (b) N = 11, {1, 3, 7, 2, 5, 11, 10, 8, 4, 9, 6}, and (c) N = 15, {2, 8, 9, 12, 4, 14, 10, 15, 13, 7, 6, 3, 11, 1, 5} with adopted .

(a)

(b)

(c)