Fabrizio Cuccoli, National Inter-University Consortium for Telecommunications, Italy; Luca Facheris, University of Florence, Italy; Giovanni Macelloni, Marco Gai, Ugo Cortesi, Samuele DelBianco, Francesco Montomoli, Flavio Barbara, Massimo Baldi, National Research Council, Italy; Andrea Antonini, Environmental monitoring and modeling for sustainable development laboratory, Italy; Alberto Ortolani, National Research Council, Italy