Energy and Spectrum Efficient Wireless Sensor Networks

1Department of Electrical, Electronic and Information Engineering, University of Bologna, Viale Risorgimento 2, 40136 Bologna, Italy 2Mathematical and Algorithmic Sciences Lab, France Research Center, Huawei Technologies Co. Ltd., 20 quai du Point du Jour, 92100 Boulogne-Billancourt, France 3Department of Information Engineering, University of Florence, Via di Santa Marta 3, 50139 Firenze, Italy 4BISITE Research Group, University of Salamanca, Edificio I+D+i, C/Espejo, 37007 Salamanca, Spain 5Department of Electronic Engineering, Tsinghua University, Beijing 100084, Chin