Table 2: List of parameters for simulation.

Parameter/scheme Value/type Comments Local spectrum sensing Energy detection Can be replaced by any other local sensing mechanism SNR distribution across SUs   Exponential distributed with different average values Arrival distribution of SUs. (changing )   Poisson Initial number of SUs 10 Considering medium sized networks with between 3 to 50 SUs 0.02 Scaling factor adjusted empirically 0.2 Scaling factor adjusted empirically