Adaptive OFDM-IM for Enhancing Physical Layer Security and Spectral Efficiency of Future Wireless Networks

Table 1

Lookup table for SAR values of .

(a) SAR: [1/4]

Bits	Subcarrier indices
00	1
01	2
10	3
11	4

(b) SAR: [2/4]

Bits	Subcarrier indices
00	1, 2
01	2, 3
10	3, 4
11	1, 4

(c) SAR: [3/4]

Bits	Subcarrier indices
00	1, 2, 3
01	1, 2, 4
10	1, 3, 4
11	2, 3, 4