@article {vasishta2016optimal,
	title = {Optimal location planning of relay-based next generation wireless access networks},
	journal = {Wireless Networks},
	volume = {22},
	year = {2016},
	pages = {2159{\textendash}2172},
	publisher = {Springer US},
	author = {Vasishta, Anuj and Gzara, Fatma and Ho, Pin-Han and Lin, Bin}
}
