2019 IEEE 1st Global Power, Energy and Communication Conference (GPECOM), June 12-15, 2019 Cappadocia, Turkey 2020 IEEE 2nd Global Power, Energy and Communication Conference (GPECOM), October 20-23, 2020 Ephesus, Izmir, Turkey 2021 IEEE 3rd Global Power, Energy and Communication Conference (GPECOM), October 5-8, 2021 Online