Table 2 Exact and approximated moments for one single interferer and for multiple interferers

Exact

Approximated

Exact

Approximated

$E\left\{\left(G_n\right)\right\}$

1

1

1

0.990

$E\left\{{\left(G_n\right)}^2\right\}$

2

2

4.138 · 10³

1.119 · 10³

$E\left\{{\left(G_n\right)}^3\right\}$

6

6

53.127 · 10⁹

13.246 · 10⁶

$E\left\{\left(G\right)\right\}\left(FR1\right)$

17.25

17.10

17.25

17.08

$E\left\{\left(G\right)\right\}\left(FR3\right)$

1.857

1.857

1.857

1.855