Figure 15.

Solution of the Problem 4 defined in (22), $K=10$ users randomly located, ${\mathrm{\Phi }}_{1/2}={60}^0$. (a) $\lambda =0.01$, $a=1$, G = 0.17. (b) $\lambda =0.01$, $a=0.42$, G = 0.26. (c) $\lambda =0.5$, $a=1$, G = 0.33. (d) $\lambda =0.5$, $a=0.09$, G = 0.86.