[논문]Corporate-Series Fed Microstrip Array Antenna with Yagi Elements for 5G

Kim, Geun-Sik; Choi, Dong-You

doi:10.6109/jicce.2020.18.3.162

Corporate-Series Fed Microstrip Array Antenna with Yagi Elements for 5G 원문보기

Journal of information and communication convergence engineering, v.18 no.3, 2020년, pp.162 - 166

Kim, Geun-Sik (Department of Information and Communication Engineering, Chosun University) , Choi, Dong-You (Department of Information and Communication Engineering, Chosun University)

Abstract ▼ AI-Helper

The present paper presents an array antenna of a microstrip patch for 5G applications. Four rectangular microstrip patch elements are arranged in parallel and series to form an array antenna. Two insets are made on both sides of each patch element to achieve a wide frequency bandwidth of 23.97-31.60 GHz. To attain a high gain and wider bandwidth, the microstrip patch antenna is fed using series and corporate feeding networks. Further, three director elements on top of the top-most patch elements, and one reflector element at the open end of each patch element, are added. The addition of the Yagi elements improved the overall gain and acquired a higher radiation efficiency throughout the operating frequency bandwidth, with the array antenna achieving a maximum peak gain of 8.7 dB. The proposed antenna is built on a low-loss and low-cost substrate of FR4-eproxy. The proposed antenna design with a simple structure is suitable for Internet of Things and 5G applications.

주제어

표/그림 (7)

그림 Fig. 1. Prototype of corporate-series-fed microstrip array antenna: (a) geometry of proposed array antenna, (b) top view, and (c) bottom view.
그림 Fig. 2. S11 (measured and simulated) of the proposed corporate-series-fed array antenna.
그림 Fig. 3. Radiation efficiency of corporate-series-fed microstrip array antenna.
그림 Fig. 4. Peak realized gain of corporate-series-fed microstrip array antenna.
표 Table 1. Dimensions of the proposed array antenna
그림 Fig. 5. Radiation patterns (measured and simulated) of the proposed corporate-series-fed array antenna (27, 28, and 29 GHz).
표 Table 2. Comparison between array antenna models

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제안 방법

Because, the aim of this study was to design an array antenna with a wide bandwidth, single patch element parameters needed to be further optimized to 2.75 mm × 8 mm (LP × WP).

이론/모형

The antenna was designed using a finite element method based on a high-frequency structure simulator (HFSS). The simulated and measured S-parameters (S11) of the proposed array antenna are presented in Fig.

참고문헌 (12)

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상세보기
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상세보기
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상세보기
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