Design and Analysis of a Series-Fed Aperture-Coupled Antenna Array With Wideband and High-Efficient Characteristics | Zendy

Mohammad Mahdi Honari | Zendy; Abdolali Abdipour | Zendy; Gholamreza Moradi | Zendy; Rashid Mirzavand | Zendy; Pedram Mousavi | Zendy

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Design and Analysis of a Series-Fed Aperture-Coupled Antenna Array With Wideband and High-Efficient Characteristics

Author(s) -

Mohammad Mahdi Honari,

Abdolali Abdipour,

Gholamreza Moradi,

Rashid Mirzavand,

Pedram Mousavi

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.2018.2827021

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 new wideband series-fed antenna array is proposed and analyzed. The antenna array structure consists of two antennas with two ports, two antennas with one port, and a wideband 180° coupler. A portion of power is propagated by the antenna with two ports, and the rest is propagated by the antenna with one port. A new wideband 180° coupler is designed in order to make the feed structure as compact as possible and to be integrated with the antenna array. Due to using elements with wideband structure, the overall antenna is wideband with measured bandwidth of 40% with reflection coefficient of 10 dB and 3 dB gain deviation from 3.85 to 5.75 GHz. The measured peak gain of 13.4 dBi has been achieved for the proposed 1 x 4 antenna array. The measured results shows that the efficiency is better than 87% and side lobe level at the frequencies of 4.6 and 5.4 GHz are, respectively, nearly -14 and -12 dB.

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