Fuente: Wipo "Sensorization" In some aspects, a system is provided that includes a plurality of communication nodes configured in a wireless mesh network or a low-power wireless network and a sensor assigned to a monitored subject. The sensor includes a first wireless network interface, for a first wireless network, adapted to communicate with the wireless mesh network or the low-power wireless network and a second wireless network interface, for a second wireless network, adapted to communicate with a mobile device. The sensor includes one or more processors adapted to receive, via the first wireless network, an indicator to transmit an identification message to the mobile device and, based on receiving the indicator, transmit, via the second wireless network, the identification message to the mobile device.