Research Article
Secrecy Performance Analysis of the NOMA System on High-Speed Railway
Table 1
Simulation parameter configuration.
| Index | Variable/Unit | Value | Description |
| 1 | Lt/m | 201 | Train length | 2 | Hz/m | 30 | BS height | 3 | lz/m | 100 | Horizontal distance between BS and rail | 4 | K/dB | 7 | Rician channel factor | 5 | fc/MHz | 2.5e3 | Carrier frequency | 6 | v/Km/h | 350 | Speed | 7 | B/MHz | 10 | Bandwidth | 8 | Rs/KHz | 4.8 | Rate | 9 | kai/dB | 3 | Attenuation factor | 10 | SNR_SD | 20 | Legitimate user SNR | 11 | SNR_SE | 10 | Eavesdropping user SNR | 12 | M | 2 | Number of the legitimate user |
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