60-GHz Wideband L-Probe Circular Slotted E-Shaped Patch Antenna Arrayopen access
- Authors
- Jang, Taehwan; Park, Chul Soon
- Issue Date
- Jul-2022
- Publisher
- Institute of Electrical and Electronics Engineers Inc.
- Keywords
- Wideband; E-shaped patch; L-probe patch; cross polarization; antenna array; circular slot; 60-GHz
- Citation
- IEEE Access, v.10, pp 79939 - 79947
- Pages
- 9
- Indexed
- SCIE
SCOPUS
- Journal Title
- IEEE Access
- Volume
- 10
- Start Page
- 79939
- End Page
- 79947
- URI
- https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/112672
- DOI
- 10.1109/ACCESS.2022.3194708
- ISSN
- 2169-3536
- Abstract
- In this study, a 60-GHz wideband L-probe circular slotted E-shaped patch antenna array was presented. The novelty of this study can be summarized as follows: 1) An E-shaped patch was added to the L-probe to further expand the bandwidth of the existing L-probe patch. 2) The E-shaped slot was modified to a circular slot to improve the overall performance, including the radiation pattern, S-11, and cross-polarization of the original E-shaped patch antenna element. When compared to the original L-probe patch, the bandwidth was improved from 9.4% to 24.8% for the proposed antenna element. Furthermore, when compared with the triangular-shaped and rectangular-shaped slots, the cross-polarization level is improved by 3.5 dB and 2.5 dB, respectively. The proposed antenna was designed as a 2x2 array structure, and the size of the antenna array corresponded to 6.4 mm x 6.4 mm x 0:375 mm. The measured results of the proposed antenna array revealed 11.42 dBi peak gain, 25.8% fractional 3-dB gain bandwidth, and 44.7% dB S-11 bandwidth.
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