@conference {, title = {Infrared local positioning system using phase differences}, booktitle = {Ubiquitous Positioning Indoor Navigation and Location Based Service (UPINLBS) 2014}, volume = {1}, year = {2014}, month = {11/2014}, pages = {1-10}, publisher = {IEEE Catalog Number CFP1452K-ART, }, organization = {IEEE Catalog Number CFP1452K-ART, }, chapter = {1}, address = {Texas (USA)}, isbn = {978-1-4799-6004-0}, author = {E. Martin and A.Wieser and J.L. L{\'a}zaro and F.J. Meca and D. Salido and E. Martos} }