Download the required data sets from https://ieee-dataport.org/open-access/rssdatahumanhuman AND https://github.com/felisat/ble-proximitiy-tracing
You can cite the published research work of this code as Aljohani, Abdulah Jeza, Junaid Shuja, Waleed Alasmary, and Abdulaziz Alashaikh. "Evaluating the Dynamics of Bluetooth Low Energy Based COVID-19 Risk Estimation for Educational Institutes." Sensors 21, no. 19 (2021): 6667.