Vol. 113

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2021-06-10

A Compact Four-Port High Isolation Hook Shaped ACS Fed MIMO Antenna for Dual Frequency Band Applications

By Praveen Naidu, Dhanekula Maheshbabu, Akkapanthula Saiharanadh, Arvind Kumar, Neelima Vummadisetty, Lam Sumanji, and Khalim Amjad Meerja
Progress In Electromagnetics Research C, Vol. 113, 69-82, 2021
doi:10.2528/PIERC21042701

Abstract

In this work, a novel 4 element Multi-Input Multi-Output (MIMO) antenna is reported. The proposed antenna has a size of 50x50x1.6 mm3 is printed on the FR-4 substrate having dielectric constant εr = 4.4 and loss tangent (tan δ = 0.02). The four antenna elements are positioned in each corner of the PCB board in an orthogonal manner such that they can provide better isolation between antenna elements. The proposed MIMO antenna is designed to operate in frequency bands of 2.25 GHz to 2.4 GHz and 4.7 GHz to 6.3 GHz. The lower band ranges from 2.25 GHz to 2.4 GHz and covers 2.3 GHz WiBro applications while the upper band ranging from 4.7 GHz to 6.3 GHz is useful for Hiper LAN and Wi-MAX applications. The proposed antenna acquires return loss less than -10 dB and isolated by more than 16 dB throughout the dual operating bands. The structure exhibits stable gain and radiation patterns. Various diversity performance metrics including envelope correlation coefficient (ECC), diversity gain (DG), and mean effective gain (MEG) are evaluated and are within acceptable limits.

Citation


Praveen Naidu, Dhanekula Maheshbabu, Akkapanthula Saiharanadh, Arvind Kumar, Neelima Vummadisetty, Lam Sumanji, and Khalim Amjad Meerja, "A Compact Four-Port High Isolation Hook Shaped ACS Fed MIMO Antenna for Dual Frequency Band Applications," Progress In Electromagnetics Research C, Vol. 113, 69-82, 2021.
doi:10.2528/PIERC21042701
http://www.jpier.org/PIERC/pier.php?paper=21042701

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