| Robust Spectrum Decision Protocol against Primary User Emulation Attacks in Dynamic Spectrum Access Networks Recent countries visiting this post |  |
 | 8 | United States |
 | 6 | |
 | 3 | Brazil |
 | 1 | China |
| Robust Spectrum Decision Protocol against Primary User Emulation Attacks in Dynamic Spectrum Access Networks Recent countries visiting this post | |
| 8 | United States |
| 6 | |
| 3 | Brazil |
| 1 | China |