1. Department of Electrical Engineering, Korea Advanced Institute of Science and Technology (KAIST), 335 Gwahangno, Yuseong-gu, Daejeon 305-701, Korea
2. Samsung Thales, Sampyong-Dong, Bundang-Gu, Seongnam 463-400, Korea
3. Agency for Defense Development, Yuseong P.O. Box 35-3, Daejeon, Korea