Fig. 9
From: Physical layer security analysis of IRS-based downlink and uplink NOMA networks
ASR for uplink system versus \(\psi _1\)= \(\psi _2\) as changing \({d_1}\) (\({\eta _1} = 0.1\), \(\beta = 2\), \({d_g} = 5\) (m), \({d_2} = 5\) (m), \({d_{g_e}} = 5\) (m), \({d_{g_{e1}}} = {d_{g_{e2}}} = 1\) (m), \({m_{{g_d}}}\)= \(m_{1,n}^d\) = \(m_{2,n}^d\) = 2, \({m_{{g_{e1}}}}\)= \({m_{{g_{e2}}}}\) = 3, \({\lambda _{{g_{d}}}} = {\lambda _{{g_{e}}}} = {\lambda _{{g_{e1}}}} = {\lambda _{{g_{e2}}}}= 1\), N= 8, \(\varphi = 0.9\))