A network-based sensing system for monitoring an object is disclosed. The system includes a sensor, attached to the object, that collects object information, a first wireless access point that operates in a first private network covering a first private region, and at least one cellular base station that operates in a public network outside of the first private region. The sensor includes functionality to detect a location of the sensor in a location detection period and to determine a type of network coverage of the sensor. The sensor establishes connection with the first wireless access point via a first private network for transmitting the object information, when the sensor is covered by the first private network, and with the at least one cellular base station via a public cellular network for transmitting the object information, when the sensor is covered by only the public cellular network.