A low consumption real time environmental monitoring system for smart cities based on ZigBee wireless sensor network. - Francisco Sanchez-Rosario; David Sánchez-Rodríguez; Jesús Bernardino Alonso Hernández; Carlos Manuel Travieso-González; Itziar G. Alonso-González; Carlos Ley-Bosch; Carlos M. Ramírez Casañas; Miguel A. Quintana Suarez (IWCMC, 2015)