@conference {,
	title = {Estimation of the Polar Angle in a 3D Infrared Indoor Positioning System based on a QADA receiver},
	booktitle = {International Conference on Indoor Positioning and Indoor Navigation},
	year = {2019},
	month = {10/2019},
	pages = {1-8},
	publisher = {IPIN },
	organization = {IPIN },
	address = {Pisa, Italia},
	doi = {10.1109/IPIN.2019.8911775},
	author = {E. Aparicio and A. Hernandez and Ure{\~n}a, J. and J. M. Villadangos}
}
