Quad element luna-shaped UWB-MIMO antenna with improved isolation and gain using novel decoupling networks

The research article outlines the evolution of a quad-element Luna-shaped UWB MIMO with enhanced isolation and gain using novel decoupling networks. The described MIMO module is tailored on a FR4 substrate of area 45 × 45 mm 2 (0.378 λ 0  × 0.378 λ 0 ), where λ 0 is estimated at 2.52 GHz, and 7 mm (...

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Bibliographic Details
Published in:Wireless networks 2024-05, Vol.30 (4), p.2557-2569
Main Authors: Tangirala, Gayatri, Garikipati, Srinivasu, Meshram, Manoj Kumar, Durbhakula, Manikya Krishna Chaitanya, Sharma, Virendra Kumar
Format: Article
Language:English
Subjects:
Antennas
Bandwidths
Communications Engineering
Computer Communication Networks
Decoupling
Efficiency
Electrical Engineering
Engineering
IT in Business
Modules
Networks
Original Paper
Radiation
Radiators
Substrates
Wireless networks
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Summary:The research article outlines the evolution of a quad-element Luna-shaped UWB MIMO with enhanced isolation and gain using novel decoupling networks. The described MIMO module is tailored on a FR4 substrate of area 45 × 45 mm 2 (0.378 λ 0  × 0.378 λ 0 ), where λ 0 is estimated at 2.52 GHz, and 7 mm (0.0588 λ 0 ) element to element separation between the radiators. It has 4 Luna-shaped radiators. The results achieved are S 11  ≤ − 10 dB over the band 2.52–11.10 GHz, S 21  ≤ − 20.75 dB, and S 31  ≤ − 20.10 dB. The peak gain is 6.6 dBi, maximum efficiency is 98%, ECC ≤ 0.15, TARC ≤  − 10 dB, DG ≤ 10, MEG ratio ≈ 1, and CCL 
ISSN:1022-0038
1572-8196
DOI:10.1007/s11276-024-03694-5