Cross-Layer Throughput Optimization in Cognitive Radio Networks with SINR Constraints

Table 3

Set of available channels at each node (i.e., 𝐶_𝑖) for random topology.

Node index	Location	Available channels
1	(29.0, 28.8)	1, 2, 6, 7
2	(23.2, 9.9)	3, 4, 5, 7
3	(12.4, 13.7)	5, 7, 8
4	(4.4, 38.8)	3, 4, 6
5	(15.3, 2.9)	1, 2, 3, 4, 7, 8
6	(12.8, 30.5)	2, 5
7	(38.0, 10.8)	1, 4, 6
8	(1.6, 6.1)	3, 4, 5
9	(24.3, 37.7)	2, 4, 5, 8
10	(39.1, 34.1)	1, 3, 6, 8