@conference {, title = {Ultrasonic Phased Array based on LS Sequences for Reflector Positioning.}, booktitle = {International Conference on Indoor Positioning and Indoor Navigation (IPIN 2016).}, year = {2016}, month = {10/2016}, pages = {1-10}, publisher = {IEEE}, organization = {IEEE}, address = {Alcala de Henares, Madrid , Espa{\~n}a }, isbn = {978-1-5090-2424-7}, author = {C. Diego and Jimenez, A. and {\'A}lvaro Hern{\'a}ndez} }