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김원률,이권익,홍성욱,김흥수 濟州大學校 産業技術硏究所 2000 산업기술연구소논문집 Vol.11 No.1
In this paper. the rectangular dielectric resonant antenna(DRA) in the microstrip slot feed line is analyzed. Microstrip slot feed line parameters are calculated and then the microstrip slot feed line is designed by using the parameters. Also the rectangular DRA having a value of ε_(r) , = 37.84 is invented for the transmission frequency bandwidth in the range of 2.37GHz to 2.40GHz for WLL(Wire1ess Local Loop) base station. The result showed that the return loss was about -42dB and that radiation pattern was simular to magnetic dipole's. The resonant frequency of simulation result of rectangular DRA which was designed with the value of ε_(r)=37.84 was obtained an error of less than 3 percent in comparison with the theoretical resonant frequency.
김원률,이권익,홍성욱,김홍수 제주대학교 산업기술연구소 2000 尖端技術硏究所論文集 Vol.11 No.1
In this paper, the rectangular dielectric resonant antenna(DRA) in the microstrip slot feed line is analyzed. Microstrip slot feed line parameters are calculated and then the microstrip slot feed line is designed by using the parameters. Also the rectangular DRA having a value of εr=37.84 is invented for the transmission frequency bandwidth in the range of 2.37GHz to 2.40GHz for WLL(Wireless Local Loop) base station. The result showed that the return loss was about -42dB and that radiation pattern was simular to magnetic dipole's. The resonant frequency of simulation result of rectangular DRA which was designed with the value of εr = 37.84 was obtained an error of less than 3 percent in comparison with the theoretical resonant frequency.
5.8GHz ISM 대역용 구형 유전체 공진 안테나 설계
김원률,이권익,홍성욱,김흥수 濟州大學校 産業技術硏究所 2001 산업기술연구소논문집 Vol.12 No.1
In this paper. the rectangular dielectric resonant antenna(DRA) in the microstrip feed line is designed for 5GHz band wireless LAN and ITS DSRC. Finite-difference time-domain(FDTD) method is employed to analyze the rectangular DRA. The return loss and resonant frequency are reported when the stub length of feedline. center position of DRA at λ/2 feed line and ε_(r) , of DRA are changed. Also DRA in the microstrip feed line compared to DRA in the microstrip slot feed line. The result showed that DRA in the microstrip feed line is better than DRA in the microstrip slot feed line in the bandwidth and return loss.
김원률,이권익,양두영,김흥수 濟州大學校 情報通信硏究所 2000 情報通信硏究所論文集 Vol.3 No.-
In this paper. the rectangular dielectric resonant antenna(DRA) with the microstrip slot feed line is analyzed and fabricated. Microstrip slot feed line parameters are calculated and then the microstrip slot feed line is manufactured by FR-4. Also the rectangular DRA having a value of ε_(r) = 36 is fabricated for ISM(Industrial. Scientific, Medical) telecommunication operating in the range of 2.40GHz to 2.4835GHz. The measurement result had return loss of -44dB. It was -10dB lower than simulation's value with -33dB. Resonant frequency was measured at 2.44GHz.
5.8GHz ISM 대역용 구형 유전체 공진 안테나 설계
김원률,이권익,홍성욱,김홍수 제주대학교 산업기술연구소 2001 尖端技術硏究所論文集 Vol.12 No.1
In this paper, the rectangular dielectric resonant antenna(DRA) in the microstrip feed line is designed for 5GHz band wireless LAN and ITS DSRC. Finite-difference time-domain(FDTD) method is employed to analyze the rectangular DRA. The return loss and resonant frequency are reported when the stub length of feedline, center position of DRA at λ/2 feed line and εr of DRA are changed. Also DRA in the microstrip feed line compared to DRA in the microstrip slot feed line. The result showed that DRA in the microstrip feed line is better than DRA in the microstrip slot feed line in the bandwidth and return loss.