@article {wang2018cognitive,
	title = {Cognitive-Empowered Femtocells: An intelligent paradigm for femtocell networks},
	journal = {Wireless Communications and Mobile Computing},
	volume = {2018},
	year = {2018},
	publisher = {Hindawi},
	author = {Wang, Xiaoyu and Ho, Pin-Han and Wong, Alexander and Peng, Limei}
}
