A Miniaturized Gain-Enhanced Antipodal Vivaldi Antenna and Its Array for 5G Communication Applications | Zendy

Haiwen Liu | Zendy; Wenjuan Yang | Zendy; Anxue Zhang | Zendy; Shuangshuang Zhu | Zendy; Zhengbiao Wang | Zendy; Taotao Huang | Zendy

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A Miniaturized Gain-Enhanced Antipodal Vivaldi Antenna and Its Array for 5G Communication Applications

Author(s) -

Haiwen Liu,

Wenjuan Yang,

Anxue Zhang,

Shuangshuang Zhu,

Zhengbiao Wang,

Taotao Huang

Publication year - 2018

Publication title -

ieee access

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.587

H-Index - 127

ISSN - 2169-3536

DOI - 10.1109/access.2018.2882914

Subject(s) - aerospace , bioengineering , communication, networking and broadcast technologies , components, circuits, devices and systems , computing and processing , engineered materials, dielectrics and plasmas , engineering profession , fields, waves and electromagnetics , general topics for engineers , geoscience , nuclear engineering , photonics and electrooptics , power, energy and industry applications , robotics and control systems , signal processing and analysis , transportation

In this paper, a miniaturized gain-enhanced antipodal Vivaldi antenna (AVA) with gradual corrugated edges (GCEs) and triangular metal directors (MDs) is investigated. Its operating frequency band is extended and the gain is improved at lower frequencies due to the use of GCEs. In addition, the E-plane beam tilt has been removed and the improvements on side-lobe level are achieved. By applying triangular MDs on the two surfaces of the radiation aperture of the AVA, its gain at higher frequencies is improved. Therefore, the gain variation tends to be flat within the whole operating band. Furthermore, a compact 1×8 E-plane AVA array with a small size of 54.4 × 28.2 × 0.508 mm³ is also designed, fabricated, and measured. A measured gain is 12.3-12.9 dB in the operating frequency band of 24.75-27.5 GHz, which covers the candidate band for the fifth generation (5G) communication. Good directivity, symmetrical radiation patterns, and compact structure make the proposed AVA array suitable for integration in devices for 5G communication applications.

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