상세정보
학술지
Design and Analysis of TX/RX Dual Microstrip Antenna using FDTD at Ku-band
- 발행일
- 200308
- 출처
- Electronics Letters, v.39 no.17, pp.1228-1230
- ISSN
- 0013-5194
- 출판사
- IET
- 협약과제
- 03MR3100, 이동형 광대역 위성전송 핵심기술 개발, 이호진
- 초록
- A TX/RX dual microstrip 8 × 4 array antenna for satellite communication is designed, fabricated and measured and its element characteristics are analysed using finite difference time domain (FDTD). TX/RX frequency ranges are 14.0-14.5 GHz, 11.7-12.75 GHz, respectively, and vertical and horizontal polarisations are used for TX and RX. This antenna uses microstrip direct feeding for RX and aperture coupled stripline feeding for TX and accommodates stacked elements for a high directivity and wide impedance bandwidth. FDTD gives more accurate results because of the consideration of finite structure and imperfect two ground planes. This element has a return loss below -8 and -14 dB over the TX and RX frequency ranges and a gain of 7.5 and 8.3 dBi at the centre frequency of TX and RX. Return loss below -10 and -14 dB and a gain of 21.4 and 20.0 dBi were achieved for the TX and RX array, respectively.
- KSP 제안 키워드
- 5 GHz, Aperture coupled, Array antenna, Finite Difference Time Domain(FDTD), High directivity, Ku-Band, Return loss(RL), coupled stripline, design and analysis, ground planes(GP), microstrip antenna