[논문]Design and implementation of electromagnetic band-gap embedded antenna for vehicle-to-everything communications in vehicular systems

Kim, Hongchan; Yeon, KyuBong; Kim, Wonjong; Park, Chul Soon

doi:10.4218/etrij.2017-0197

Design and implementation of electromagnetic band-gap embedded antenna for vehicle-to-everything communications in vehicular systems 원문보기

ETRI journal, v.41 no.6, 2019년, pp.731 - 738

Kim, Hongchan (School of Electrical Engineering, Korea Advanced Institute of Science and Technology) , Yeon, KyuBong (ADAS center, Korea Automotive Technology Institute) , Kim, Wonjong (Seoul SW-SoC Convergence R&BD Center, Electronics and Telecommunications Research Institute) , Park, Chul Soon (School of Electrical Engineering, Korea Advanced Institute of Science and Technology)

Abstract ▼ AI-Helper

We proposed a novel electromagnetic band-gap (EBG) cell-embedded antenna structure for reducing the interference that radiates at the antenna edge in wireless access in vehicular environment (WAVE) communication systems for vehicle-to-everything communications. To suppress the radiation of surface waves from the ground plane and vehicle, EBG cells were inserted between micropatch arrays. A simulation was also performed to determine the optimum EBG cell structure located above the ground plane in a conformal linear microstrip patch array antenna. The characteristics such as return loss, peak gain, and radiation patterns obtained using the fabricated EBG cell-embedded antenna were superior to those obtained without the EBG cells. A return loss of 35.14 dB, peak gain of 10.15 dBi at 80°, and improvement of 2.037 dB max at the field of view in the radiation beam patterns were obtained using the proposed WAVE antenna.

주제어

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가설 설정

In this paper, we report on an EBG‐based antenna structure without changing the size and shape of the conformal linear microstrip patch array antenna used in WAVE communication systems while considering the effects of the vehicle's roof.

제안 방법

In this paper, we report on an EBG‐based antenna structure without changing the size and shape of the conformal linear microstrip patch array antenna used in WAVE communication systems while considering the effects of the vehicle's roof. A simulation was performed to determine the optimum structure of the EBG cell‐embedded antenna structure. The typical characteristics of the fabricated EBG‐based antenna for WAVE systems were then analyzed.
0 over the field of view are required. As per the above simulation and measurement results, the EBG cell‐embedded antenna structure satisfies the basic requirements of WAVE communication systems, which means that the results of our study can be applied to WAVE communication systems.
Surface wave generation reduces the efficiency of the antenna and degrades the radiation beam patterns emitted from the antenna. In this study, in order to reduce these effects of array antennas on a thick and high‐ permittivity substrate, four antenna patches were separated by EBG cells over the ground plane.
035 mm, respectively. The simulation was performed by assuming an ideal environment in which no manufacturing tolerance or measurement environment effects were taken into consideration.

성능/효과

15 dBi at 80°. The measurement results confirmed that the proposed EBG cell‐embedded antenna structure can improve the performance of the antenna in WAVE communication systems. Furthermore, the gain over the field of view increased by up to 25% as compared with the conventional antenna model without the EBG structure.

참고문헌 (14)

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상세보기
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상세보기
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상세보기
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상세보기
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상세보기
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상세보기
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상세보기
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상세보기
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상세보기
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