Joint Channel Assignment and Power Allocation Based on Maximum Concurrent Multicommodity Flow in Cognitive Radio Networks

Table 2

20-node position and 10-channel availability.

Node	Position		Available frequency bands
	x	y
N1	2.84	11.77	3,7,10
N2	31.94	33.57	1,2,3,4
N3	1.10	1.07	1,4,5,6
N4	27.74	6.87	5,8
N5	18.54	11.57	5,7,8,10
N6	19.04	21.37	3,5,6,8,9
N7	7.34	5.27	1,4,8
N8	25.34	42.77	1,2,3,5,7,9,10
N9	38.04	12.17	2,9,5
N10	34.64	21.47	3,4,5,6,7,8,9
N11	30.84	27.47	4,5,6,7,8,9
N12	34.94	39.87	1,8,9,10
N13	49.94	4.47	3,5,10
N14	47.44	16.87	2,3,6,7,8
N15	47.44	25.87	5,6,7
N16	50.64	45.67	1,3
N17	49.14	18.67	1,7,9
N18	14.24	14.07	2,5,6,10
N19	30.94	16.67	6,7,8,9
N20	5.24	16.37	1,7