Table 1 Three possible channel state regions for the fading channel state χ for LTPC

1

$p_{\text{WF}}^{\ast }$

Yes (PU turns OFF)

${\epsilon }_p^0$

2

$p_{\text{WF}}^{\ast }$

Yes

${\epsilon }_p-{\epsilon }_p^0$

3

$p_{\text{RP}}^{\ast }=0$

No

1−ε _p