Quasi-Yagi Slotted Array Antenna with Fan-Beam Characteristics for 28 GHz 5G Mobile Terminalsopen access
- Authors
- Kim, Sungpeel; Choi, Jaehoon
- Issue Date
- Nov-2020
- Publisher
- MDPI
- Keywords
- fifth generation (5G); millimeter-wave; phased array; power density; fan-beam
- Citation
- APPLIED SCIENCES-BASEL, v.10, no.21, pp.1 - 17
- Indexed
- SCIE
SCOPUS
- Journal Title
- APPLIED SCIENCES-BASEL
- Volume
- 10
- Number
- 21
- Start Page
- 1
- End Page
- 17
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/8821
- DOI
- 10.3390/app10217686
- ISSN
- 2076-3417
- Abstract
- Featured Application 28 GHz 5G mobile terminal communication. A quasi-Yagi slotted array antenna with fan-beam characteristics is proposed for 28 GHz 5G mobile terminals. The antenna is composed of a 1 x 8 slot antenna array with directors to enhance the half-power beamwidth (HPBW). The proposed antenna has a fan-beam radiation pattern with a simulated HPBW of 256.72 degrees and a peak gain of 11.16 dBi. In addition, the proposed antenna covers +/- 48 degrees using a beam steering mechanism. Mutual coupling reduction is achieved by inserting slits between the adjacent slot radiators on the ground plane. The simulated -10 dB reflection coefficient bandwidth of the proposed antenna is 1.79 GHz (27.03-28.82 GHz), and the mutual coupling between each of the slot radiators is lower than -25.02 dB over the 28 GHz target band (27.5-28.35 GHz). To investigate the effect of a human body in a practical environment, the power density was considered to estimate the electromagnetic exposure with a simplified skin model. The measured results were in good agreement with the simulated ones and demonstrated that the proposed antenna could be used for 5G mobile terminals.
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