To implement a smart inpatient system, the hospital needs to install and deploy various sensing devices in a ward or even asks the patients to wear some body sensors. These sensor nodes can acquire sensed data such as the patient’s temperature, ECG, and blood pressure, and other environmental information. Similar to the first scenario, all sensed data will be collected to a cloud server or a local server. Doctors and nurses can watch over real-time body status of all inpatients and the environmental information of each ward through the system dashboard. In this scenario, the sensed data also needs to be transmitted periodically to the backend server in a short time period.