Table 2 Deviations of the proportional reliability constraints under different SNRs

γ₁ : γ₂

0.5

0.5

0.5

0.5

0.5

0.5

0.5

$\overline{\mathcal{D}}$, proposed power distribution

0.0012

0.0052

0.0092

0.0217

0.0170

0.0021

0.0476

$\overline{\mathcal{D}}$, equal power distribution

0.0065

0.0651

0.1743

0.2162

0.2222

-

-

$\overline{\mathcal{D}}$, water filling algorithm in [36]

0.0535

0.0527

0.0515

0.0603

0.0628

0.0127

0.1591