@incollection{Awan09,
author = {F. G. Awan and N. M. Sheikh and M. F. Hanif},
title = {Information Theory of Cognitive Radio System},
booktitle = {Cognitive Radio Systems},
publisher = {IntechOpen},
address = {Rijeka},
year = {2009},
editor = {Wei Wang},
chapter = {2},
doi = {10.5772/7843},
url = {https://doi.org/10.5772/7843}
}