@INPROCEEDINGS {28510,
author={M. Luís and R. Oliveira and R. Dinis and L. Bernardo},
doi={10.1109/ICC.2017.7997382},
booktitle={IEEE International Conference on Communications - ICC},
title={RF-Spectrum Opportunities for Cognitive Radio Networks operating over GSM Channels},
year={2017},
month={May},
volume={},
pages={1-6} 
}