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논문 기본 정보

자료유형
학술저널
저자정보
Rashid, Zainol Abidin Abdul (Faculty of Engineering, Department of Electrical, Electronics and System Engineering University Kebangsaan Malaysia) Islam, Mohammad Tariqul (Faculty of Engineering, Department of Electrical, Electronics and System Engineering University Kebangsaan Malaysia) Jiunn, Ng Kok (Faculty of Engineering, Department of Electrical, Electronics and System Engineering University Kebangsaan Malaysia)
저널정보
한국정보통신설비학회 정보통신설비 정보통신설비 제7권 제1호
발행연도
2007.1
수록면
41 - 58 (18page)

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A compact and broadband $4{\times}1$ array antenna was developed for 3G smart antenna system testbed. The $4{\times}1$ uniform linear array antenna was designed to operate at 1.885 to 2.2GHz with a total bandwidth of 315MHz. The array elements were based on the novel broadband L-probe fed inverted hybrid E-H (LIEH) shaped microstrip patch, which offers 22% size reduction to the conventional rectangular microstrip patch antenna. For steering the antenna beam, a commercial variable attenuator (KAT1D04SA002), a variable phase shifter (KPH350SC00) with four units each, and the corporate 4-ways Wilkinson power divider which was fabricated in-house were integrated to form the beamforming feed network. The developed antenna has an impedance bandwidth of 17.32% ($VSWR{\leq}1.5$), 21.78% ($VSWR{\leq}2$) with respect to center frequency 2.02GHz and with an achievable gain of 11.9dBi. The design antenna offer a broadband, compact and mobile solution for a 3G smart antenna testbed to fully characterized the IMT-2000 radio specifications and system performances.

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