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A dual-band filtenna with improved gain using AMC for 5G sub-6 GHz applications

Published online by Cambridge University Press:  09 June 2022

I. Suryarajitha ,
Ruchi Open the ORCID record for Ruchi [Opens in a new window] ,
R. K. Panigrahi  and
M. V. Kartikeyan Open the ORCID record for M. V. Kartikeyan [Opens in a new window]
I. Suryarajitha
Affiliation:
Department of Electronics & Communication Engineering, Indian Institute of Technology, Roorkee, Uttarakhand, India
Ruchi
Affiliation:
Department of Electronics & Communication Engineering, Indian Institute of Technology, Roorkee, Uttarakhand, India
R. K. Panigrahi
Affiliation:
Department of Electronics & Communication Engineering, Indian Institute of Technology, Roorkee, Uttarakhand, India
M. V. Kartikeyan*
Affiliation:
Department of Electronics & Communication Engineering, Indian Institute of Technology, Roorkee, Uttarakhand, India Department of Electrical Engineering, Indian Institute of Technology, Tirupati, Andhra Pradesh, India
*
Author for correspondence: M. V. Kartikeyan, E-mail: kartik@ieee.org
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Abstract

A gain enhanced dual-band filtenna operating at frequency bands of 3.5 and 5.3 GHz for 5G sub-6 GHz applications is presented in this article. A dual-band antenna is integrated with a filter to improve selectivity. The antenna uses printed monopoles as the radiating element, and the filtering response is achieved using a modified feedline. The designed filtenna is 50 × 38 × 1.63 mm3 in size with a maximum gain of 2.5 dBi. The novel filtenna design is equipped with an artificial magnetic conductor (AMC) for the first time to enhance the performance. A unit cell for the AMC is designed that offers zero phase shift in the desired frequencies. A four by four AMC array is designed using this unit cell, which is used as a reflective surface to improve the radiation characteristics of the filtenna. The gain of the filtenna is improved three times up to 7.5 dBi in both bands. The proposed design's overall planar dimensions are 80 × 80 mm2. Using AMC, the gain has improved with a very minute or no change in the other characteristics. The measured results are congruent with the simulated ones, illustrating that the filtenna has good impedance matching and excellent gain in both bands.

Keywords

Filtennadual-band5GAMC
Type
Antenna Design, Modeling and Measurements
Information
International Journal of Microwave and Wireless Technologies , Volume 15 , Issue 4 , May 2023 , pp. 632 - 640
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Copyright
© The Author(s), 2022. Published by Cambridge University Press in association with the European Microwave Association

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