1. Department of Convergence Engineering for Future City, Sungkyunkwan University, Suwon, Gyeonggi, South Korea;
2. School of Civil and Architectural Engineering, Sungkyunkwan University, Suwon, Gyeonggi, South Korea;
3. Energy DT Development Team, SK Telecom Co. Ltd., Seoul, South Korea;
4. Department of Architecture and Architectural Engineering, Institute of Construction and Environmental Engineering, Seoul National University, Seoul, South Korea