Mmwave high gain planar h‐shaped shorted ring antenna arrayopen access
- Authors
- Kim, Y.-J.; Kim, Y.-B.; Lee, H.L.
- Issue Date
- Sep-2020
- Publisher
- MDPI AG
- Keywords
- Antenna matching; High gain antenna; MmWave antenna array; Slot‐loaded antenna
- Citation
- Sensors (Switzerland), v.20, no.18, pp 1 - 11
- Pages
- 11
- Journal Title
- Sensors (Switzerland)
- Volume
- 20
- Number
- 18
- Start Page
- 1
- End Page
- 11
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/53670
- DOI
- 10.3390/s20185168
- ISSN
- 1424-8220
1424-3210
- Abstract
- A new design approach for a mmWave high gain planar antenna is presented. The proposed method can increase antenna directivity with a minimally enlarged radiation patch while the operation frequency is still matched at a higher target frequency. The fundamental structure of the proposed antenna is configured by a H‐shaped and slot‐loaded patch with a shorting pin symmetrically located across a signal excitation port. Further, to match the operation frequency with the frequency for the highest achievable gain, a vertically stacked matching conductor was inserted along the signal feed path between the radiation patch and the ground layer. The proposed single antenna showed the simulated directivity of 9.46 dBi while the conventional patch with a same dielectric had 8.07 dBi. To verify practical performance, a 2 × 2 array antenna was fabricated at 28 GHz and showed the measured gain of 12.5 dBi including the array feed loss. © 2020 by the authors. Licensee MDPI, Basel, Switzerland.
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