1. Satellite Technology Research and Development Division, Korea Aerospace Research Institute (KARI), Daejeon, South Korea
2. Department of Electronic Engineering, Hanbat National University, Daejeon, South Korea
3. Graduate School of Green Transportation, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, South Korea
4. Department of Electrical Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, South Korea