Table 1 Simulation parameters
From: On secrecy performance analysis of multi-antenna STAR-RIS-assisted downlink NOMA systems
Parameters | Values |
|---|---|
Rate \(R_1^s\) | 0.1BPCU |
Rate \(R_2^s\) | 1.0BPCU |
Transmit power \(P_s\) | 20 dBm |
Path loss exponents \(\eta _{0}\) | 4 |
Path loss exponents \(\eta _{1}\) | 2 |
The number of rows M | 3 |
Gaussian noise power \(\sigma _{o}^2\) | − 70 dBm |
The number of columns N | 5 |
The number of transmit antennas T | 3 |
The distance between BS and \(\textrm{E}_2\) \(d_{SE_2}\) | \(100\sqrt{2}\) m |
The distance between BS and \(\textrm{U}_2\) \(d_{SU_2}\) | 100 m |
The gain of eavesdropping channel \(\Omega _{RE_1}\) | − 70 dBm |
The distance between BS and STAR-RIS \(d_{SR}\) | \(100\sqrt{10}\) m |
The distance between STAR-RIS and \(E_1\) \(d_{RE_1}\) | \(100\sqrt{5}\) m |
The distance between STAR-RIS and \(U_1\) \(d_{RU_1}\) | \(100\sqrt{2}\) m |
The distance between STAR-RIS and \(U_2\) \(d_{RU_2}\) | \(100\sqrt{5}\) m |
The distance between STAR-RIS and \(E_2\) \(d_{RE_2}\) | \(200\sqrt{2}\) m |