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학술지 Capacitively Coupled Microstrip Comb-Line Array Antennas for Millimeter-Wave Applications
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저자
이재호, 이종민, 황금철, 서동욱, 신동승, 이철효
발행일
202008
출처
IEEE Antennas and Wireless Propagation Letters, v.19 no.8, pp.1336-1339
ISSN
1536-1225
출판사
IEEE
DOI
https://dx.doi.org/10.1109/LAWP.2020.3001945
협약과제
20ZD1100, 대경권 지역산업 기반 ICT 융합기술 고도화 지원사업, 문기영
초록
This letter proposes a novel capacitively coupled microstrip comb-line (CCMCA) array antenna for millimeter-wave band applications. The proposed antenna has the advantages of low profile, low cost, and ease of fabrication for the millimeter-wave band. By adjusting the gaps between the radiating strips and feeding line, an antenna with low sidelobe level can easily be designed. To verify the suitability of the proposed antenna for millimeter-wave applications, two arrays (1 × 18 and 4 × 18) were designed and developed at the design frequency of 79 GHz. The measured results show good agreement with the simulated ones in terms of reflection characteristics and radiation patterns. In addition, the CCMCA antenna has stable beam direction even with frequency change, compared to a conventional series-fed microstrip rectangular patch array antenna.
키워드
Antenna array, capacitive coupling, comb-line antenna, microstrip antenna, millimeter-wave
KSP 제안 키워드
79 GHz, Capacitive Coupling, Frequency change, Line array, Low-cost, Millimeter-wave applications, Millimeter-wave band, Radiation Pattern, Reflection characteristics, antenna array, capacitively coupled