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Table 1 Simulation Parameters

From: On secrecy outage probability for downlink NOMA systems with relay–antenna selection

Parameters Values
Rates \(R_1^{\text {th}}=R_1^s\) 0.1BPCU
Rates \(R_2^{\text {th}}=R_2^s\) 1.0BPCU
Gaussian noise power \(\sigma _0^2\) − 70 dBm
Transmit power \(P_S=P_R\) 10 dBm
Path loss exponents \(\epsilon\) 3
The number of relays N 2
The gain of Eavesdropping channel \(\Omega _{RE}\) − 50 dBm
The receive antenna number of each relay M 2
The receive antenna number of cell-edge user \(L_{1}\) 2
The receive antenna number of cell-center user \(L_{2}\) 2
The number of antennas at the eavesdropper K 2
The distance between source and relays \(d_{SR}\) 100m
The distance between relays and cell-center user \(d_{RU_2}\) 100m
The distance between relays and cell-edge user \(d_{RU_1}\) 300m
The distance between relays and eavesdropper \(d_{RE}\) 500m