Alexandru Mihai CRIŞAN (research) was born in Bucharest, Romania, on August 7, 1990. He received the B.S. and M.S. degrees in Electronics and Telecommunications from University Politehnica of Bucharest (UPB), Faculty of Electronics, Telecommunications and Information Technology in 2013 and 2015, respectively. Since 2015, he is a PhD student at UPB and a research engineer with the Research Center for Spatial Information (CeoSpaceTech). His research fields include satellite constellations, telecommunications and signal processing.