Marco Garbati is a research fellow at the Grenoble Institute of Technology in France. His current research interests are in the field of the chipless RFID readerEtienne Perret is an Associate Professor at the Grenoble Institute of Technology and a member of the Institut Universitaire de France. He conducts radiofrequency research on wireless communication systems, in particular RFID and chipless RFID.Romain Siragusa is an Associate Professor at the Grenoble Institute of Technology, France. He conducts research on radiofrequency, in particular leaky-wave antennas, RFID and chipless RFID.