Full Text:   <2968>

Summary:  <2445>

CLC number: TN82

On-line Access: 2024-08-27

Received: 2023-10-17

Revision Accepted: 2024-05-08

Crosschecked: 2020-01-06

Cited: 0

Clicked: 6840

Citations:  Bibtex RefMan EndNote GB/T7714

 ORCID:

Kai-lai Wu

https://orcid.org/0000-0001-6836-0545

Yuan Yao

https://orcid.org/0000-0003-4408-3031

Xiao-he Cheng

https://orcid.org/0000-0001-9420-778X

Xiao-dong Chen

https://orcid.org/0000-0002-1972-3271

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Frontiers of Information Technology & Electronic Engineering  2020 Vol.21 No.1 P.128-143

http://doi.org/10.1631/FITEE.1900461


Analysis and design of novel wideband and high efficiency millimeter-wave antenna arrays for 60-GHz applications


Author(s):  Kai-lai Wu, Yuan Yao, Xiao-he Cheng, Jun-sheng Yu, Tao Yu, Xiao-dong Chen

Affiliation(s):  Beijing Key Laboratory of Work Safety Intelligent Monitoring, School of Electronic Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, China; more

Corresponding email(s):   2018010115, yaoy, xiaohec, jsyu@bupt.edu.cn, yutao@mobile.ee.titech.ac.jp, xiaodong.chen@qmul.ac.uk

Key Words:  60 GHz, Antenna array, Linearly polarized, Circularly polarized, Millimeter-wave



Abstract: 
A type of millimeter-wave antenna array with flexible design is proposed for a variety of applications at 60 GHz. The antenna array can be adjusted to be linearly or circularly polarized by simply changing the radiation part of the antenna array. High gain, wideband, and high radiation efficiency characteristics can be achieved by adopting a low insertion loss feeding network and broadband antenna elements. For the linearly polarized antenna array, simulation results show that the impedance bandwidth of the 2×2 antenna subarray reaches 21.6%, while the maximum gain achieves 15.1 dBi and has a fluctuation of less than 0.4 dBi within the working bandwidth. Simulation results of the 8×8 linearly polarized antenna array show a bandwidth of 21.6% and a gain of (26.1±1) dBi with an antenna efficiency of more than 80%. For the 8×8 circularly polarized antenna array, simulation results show that an impedance bandwidth of 18.2% and an axial ratio (AR) bandwidth of 13.3% are obtained. Gain and efficiency of up to 27.6 dBi and 80% are achieved, respectively. A prototype of antenna array is fabricated, and results are compared and analyzed.

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