Table 7 \(P_t\) in dBm required by various pairing schemes of DL-HNOMA users, \(\text {UD}_s\) and \(\text {UD}_w\), to achieve an outage probability of \(10^{-3}\) for \(m = 3\), with varying values of \(\lambda\) and \(\epsilon\).

From: Spectral efficiency enhancement in multiuser NOMA over Nakagami-m fading channels through power allocation and pairing strategies under hardware and SIC imperfections

Pairing schemes

\(\lambda\)

Required \(P_t\) (dBm) at \(\text {UD}_s\) (\(\varepsilon = 0\))

Required \(P_t\) (dBm) at \(\text {UD}_s\) (\(\varepsilon = 0.1\))

Required \(P_t\) (dBm) at \(\text {UD}_w\) (\(\varepsilon = 0\))

SP

0

20

–

19.12

0.08

–

22.47

19.17

0.1

–

23.13

19.29

RC

0

18.31

–

19.20

0.08

–

20.76

19.25

0.1

–

21.43

19.36

IB

0

11.85

–

19.24

0.08

–

14.30

19.28

0.1

–

14.97

19.40

SW

0

11.85

–

19.24

0.08

–

14.30

19.28

0.1

–

14.97

19.40