Fig. 8From: Physical layer security analysis of IRS-based downlink and uplink NOMA networksSOP for uplink system versus \({\psi _{e1}} = {\psi _{e2}}\) as changing \({d_{{g_{e1}}}} = {d_{{g_{e2}}}}\)(\({\eta _1} = 0.1\), \({R_1}\) = 3 (bps/Hz), \({R_{E1}}\)= \({R_{E2}}\)= 1 (bps/Hz), \({R_2}\)= 2 (bps/Hz), \(\beta = 3\), \({m_{{g_{e1}}}}\)= \({m_{{g_{e2}}}}\) = 2, \({\lambda _{{g_{e1}}}} = {\lambda _{{g_{e2}}}}= 1\))Back to article page