@article {, title = {Design, Calibration, and Evaluation of a Long-Range 3-D Infrared Positioning System Based on Encoding Techniques}, journal = {IEEE Transactions on Instrumentation and Measurement}, volume = {70}, year = {2021}, month = {07/2021}, pages = {1-13}, publisher = {IEEE}, address = {EEUU}, issn = {0018-9456}, doi = {10.1109/TIM.2021.3089223}, author = {E. Aparcio and Ure{\~n}a, J. and A. Hern{\'a}ndez} }