Resource Allocation for Green Cognitive Radios: Energy Efficiency Maximization

Table 1

The comparison of time (s) taken by Algorithm 1 with time taken by Algorithm 2.

Green CR		Transmit power
		20	30	40	50	60	70	80	90
Delay-insensitive	Average	535.162	313.368	212.008	155.220	119.644	95.025	77.328	63.751
	Peak	0.198	0.203	0.199	0.199	0.208	0.200	0.199	0.198
Delay-sensitive	Average	856.223	733.604	242.051	198.239	130.344	81.732	61.740	50.934
	Peak	0.170	0.168	0.182	0.177	0.177	0.180	0.175	0.177