Fecha de publicación: 28/02/2020 Fuente: Wipo "IOT" The invention relates to a communication method, device and system and a computer readable storage medium, and relates to the technical field of the Internet of Things. The method disclosed by the invention comprises the following steps: acquiring a signaling message of an S11 interface between an MME and an SGW; analyzing the type information of the terminal from the signaling message of the S11interface, and identifying the NB-IoT terminal; acquiring recognition information of the NB-IoT terminal from the signaling message of the S11 interface; searching the sensing data of the NB-IoT terminal according to the recognition information of the NB-IoT terminal, and associating the sensing data of the NB-IoT terminal with the type information of the NB-IoT terminal, so as to analyze the sensing data corresponding to the NB-IoT type terminal. According to the method and the device, the existing signaling interaction process is not changed, the NB-IoT type terminal can be accurately identified by acquiring the interface signaling, and the acquired type information of the NB-IoT terminal is synchronized with the perception data in real time, so that the user perception accuracy is improved, and the operation support capability and efficiency are improved.