@article {vaiopoulos2013using,
	title = {Using a HAP network to transfer WiMAX OFDM signals: Outage probability analysis},
	journal = {Journal of Optical Communications and Networking},
	volume = {5},
	number = {7},
	year = {2013},
	pages = {711{\textendash}721},
	publisher = {Optical Society of America},
	author = {Vaiopoulos, Nicholas and Sandalidis, Harilaos G and Varoutas, Dimitris}
}
