Table 10 MSE values of the received image with RSA encryption, using 16-QAM modulation and different subcarriers mapping methods
From: Secure image transmission through LTE wireless communications systems
SNR [dB] | DFT-OFDMA | DCT-OFDMA | DST-OFDMA | |||
|---|---|---|---|---|---|---|
DFT-LOFDMA | DFT-IOFDMA | DCT-LOFDMA | DCT-IOFDMA | DST-LOFDMA | DST-IOFDMA | |
0 | 0.1286 | 0.1285 | 0.1257 | 0.1276 | 0.1296 | 0.1284 |
5 | 0.1261 | 0.1273 | 0.1126 | 0.1185 | 0.1251 | 0.1277 |
10 | 0.1108 | 0.1165 | 0.0715 | 0.0686 | 0.1155 | 0.1182 |
15 | 0.0624 | 0.0581 | 0.0205 | 0.0128 | 0.0725 | 0.0688 |
20 | 0.0182 | 0.0092 | 0.0039 | 0.0013 | 0.0218 | 0.0125 |
25 | 0.0037 | 8.4677e−04 | 3.5095e−04 | 1.9034e−04 | 0.0040 | 0.0012 |
30 | 6.1711e−04 | 6.1035e−05 | 1.5259e−05 | 1.6825e−05 | 3.8147e−04 | 6.1035e−05 |
35 | 5.0617e−05 | 0 | 0 | 0 | 4.5776e−05 | 0 |