@inproceedings {179777,
	author = {Liqun Li and Pan Hu and Chunyi Peng and Guobin Shen and Feng Zhao},
	title = {Epsilon: A Visible Light Based Positioning System},
	booktitle = {11th USENIX Symposium on Networked Systems Design and Implementation (NSDI 14)},
	year = {2014},
	isbn = {978-1-931971-09-6},
	address = {Seattle, WA},
	pages = {331--343},
	url = {https://www.usenix.org/conference/nsdi14/technical-sessions/presentation/li},
	publisher = {USENIX Association},
	month = apr
}
