^pof;
Biomedical;
Engineering,;
Konkuk;
University,;
Chungju,;
380-701,;
Korea;
^pSolution;
Co.;
Ltd.,;
Suwon,;
442-832,;
Korea;
^pof;
Electronic;
Engineering,;
Inha;
University,;
Incheon,;
402-751,;
Korea;
^pof;
Radio;
Communication;
Engineering,;
Chungbuk;
National;
University,;
Cheongju,;
361-763,;
Korea;
^pLab,;
Chungbuk;
National;
University,;
Cheongju,;
361-763,;
Korea;