Wiley
Microwave and Optical Technology Letters
,  volume 67 ,  issue 2 ,  publication number e70117

Investigations on Dual Band MIMO Antenna With Reduction of Mutual Coupling and RCS for Military Radar Applications

Publication type: Journal Article
Publication date: 2025-01-28
Wiley
scimago Q3
wos Q4
SJR: 0.311
CiteScore: 2.6
Impact factor: 1.2
ISSN: 08952477, 10982760
Abstract
ABSTRACT

This article presents a novel strategy for reducing mutual coupling and Radar Cross Section (RCS) in a 2 × 1 MIMO antenna system tailored for military radar applications. The proposed arrangement involves two identical radiators oppositely arranged with an H‐shaped strip placed between the radiators. A wide slot, stub projection, and frequency selective surface (FSS) are engraved on the backside. The overall dimension of the suggested system is 25 × 25 × 1.6 mm3, which resonates at 6.09 and 8.34 GHz with an impedance bandwidth of 6.16 GHz from 2.95 to 9.11 GHz. The isolation (≤ −30 dB) is obtained by incorporating a wide slot and an H‐shaped strip between the radiators. A grid of miniature square slots is etched on the rear side of the antenna, leading to an additional enhancement in the isolation and monostatic RCS reduction by more than 25 dB. The diversity gain (DG) and envelope correlation coefficient (ECC) are also examined for the suggested antenna to validate its diversity performance. The congruence between the validated and simulated results is remarkably strong, rendering it a fitting choice for military and airborne devices/applications operating within the C and X bands.

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Himaja M. et al. Investigations on Dual Band MIMO Antenna With Reduction of Mutual Coupling and RCS for Military Radar Applications // Microwave and Optical Technology Letters. 2025. Vol. 67. No. 2. e70117
GOST all authors (up to 50) Copy
Himaja M., Yuvaraj S. Investigations on Dual Band MIMO Antenna With Reduction of Mutual Coupling and RCS for Military Radar Applications // Microwave and Optical Technology Letters. 2025. Vol. 67. No. 2. e70117
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RIS Copy
TY - JOUR
DO - 10.1002/mop.70117
UR - https://onlinelibrary.wiley.com/doi/10.1002/mop.70117
TI - Investigations on Dual Band MIMO Antenna With Reduction of Mutual Coupling and RCS for Military Radar Applications
T2 - Microwave and Optical Technology Letters
AU - Himaja, Makkapati
AU - Yuvaraj, S
PY - 2025
DA - 2025/01/28
PB - Wiley
IS - 2
VL - 67
SN - 0895-2477
SN - 1098-2760
ER -
BibTex
Cite this
BibTex (up to 50 authors) Copy
@article{2025_Himaja,
author = {Makkapati Himaja and S Yuvaraj},
title = {Investigations on Dual Band MIMO Antenna With Reduction of Mutual Coupling and RCS for Military Radar Applications},
journal = {Microwave and Optical Technology Letters},
year = {2025},
volume = {67},
publisher = {Wiley},
month = {jan},
url = {https://onlinelibrary.wiley.com/doi/10.1002/mop.70117},
number = {2},
pages = {e70117},
doi = {10.1002/mop.70117}
}