From: Cognitive radio frequency assignment with interference weighting and categorization
Ref. | Objective | Approach | Method |
---|---|---|---|
[11] | Throughput/ | Centralized single ch | Linear integer |
 | variance |  | optimization |
[12] | Power/total | Distributed / centralized | Graph theory |
 | throughput |  |  |
[13] | Fairness/throughput | Centralized multi ch | Graph theory |
[14] | Node connectivity/ | Local | Heuristic |
 | interference |  | algorithm |
[15] | Throughput surplus | Distributed / centralized | Nash bargaining / |
 |  |  | game theory |
[16] | Fairness/QoS | Distributed list coloring | Graph theory |
[17] | Fairness | Local multi ch | Graph theory / heuristic |
[18] | Throughput | Macro BS femtocell | Graph coloring |
[19] | Interference | Wireless mesh | Graph coloring |
[20] | Interference/power | Distributed | Game theory |