Advanced Design and Analysis of Dual Element MIMO Antenna for Ultra-Wideband Applications

• Autorzy: Ramamohan Bongu , Prasad M Siva Ganga

Identyfikatory

DOI

10.24425/ijet.2024.152086

• Języki publikacji: EN

Abstrakty

EN

This investigation uses the Genetic Optimization Method to convert a wide-band MIMO antenna into a UWB (3.1GHz-10.6 GHz) MIMO antenna. Initially, a 22 × 42, mm2 wideband 2X2 MIMO antenna was designed using commercial Flame Retardant-4 material. The structure of the antenna patch was designed using half-circular forms on the half-ground plane. The designed MIMO antenna operates throughout a large frequency range of 4.8-9.8 GHz. While it was successful in achieving broad band characteristics, this MIMO antenna was unable to reach ultra-wide band characteristics. The MIMO antenna was operated in UWB ranges by a parametric study, which indicated that the resonating characteristics can be significantly modified by inserting a rectangular slot into the ground plane. Throughout the operational range, it was important to be concerned about improved gain and good isolation. Accordingly, optimization was carried out in order to accomplish the essential, multi-objective goals. The difficult multi-objective design goal is now reduced to an optimization challenge by means of genetic algorithm based random search. One of the performance goals that this optimization strategy aimed to fulfil was an increase in isolation to -20 dB across the entire Ultra-Wideband, with S11 being below -10 dB from 3.1 to 10.6 GHz. It is recommended to randomly select the parameters from their respective ranges for this work. This led to the selection of an optimizer based on random searches. In the operating range, the UWB has a respectable gain of 4 dB to 6 dB and increased isolation to -20 dB, according to the genetic algorithm optimizer’s execution of the predefined multiple-objective task.

Słowa kluczowe

EN

MIMO antenna; isolation; optimization; mutual coupling; Ultra-wideband

• Wydawca: Polish Academy of Sciences, Committee of Electronics and Telecommunication
• Czasopismo: International Journal of Electronics and Telecommunications
• Rocznik: 2024
• Tom: Vol. 70, No. 4
• Strony: 987--995
• Opis fizyczny: Bibliogr. 32 poz. rys., tab.

Twórcy

autor

Ramamohan Bongu

• Koneru Lakshmaiah Education Foundation

autor

Prasad M Siva Ganga

• Koneru Lakshmaiah Education Foundation

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa nr POPUL/SP/0154/2024/02 w ramach programu "Społeczna odpowiedzialność nauki II" - moduł: Popularyzacja nauki (2025).