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https://doi.org/10.1109/access.2023.3263156
Copy DOIJournal: IEEE Access | Publication Date: Jan 1, 2023 |
Citations: 2 | License type: CC BY 4.0 |
In this paper, a multi-band multi-mode hybrid antenna using a liquid Dielectric Resonator Antenna (DRA) and patch configuration working for Wi-Fi applications at 2.4 GHz and 5 GHz bands is designed. This work proposes a way to suppress and replace undesirable higher-order modes of the DRA with desirable modes using a hybrid design keeping the compactness of the antenna still intact. The result is a compact multi-mode antenna with dimensions ≤ ½ λ <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">0</sub> ( <italic xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">length</i> & <italic xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">width</i> ) and a <italic xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">height</i> ≤ ¼ λ <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">0</sub> , overall 0.42λ <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">0</sub> ×0.42λ <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">0</sub> ×0.18λ <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">0</sub> , (‘λ <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">0</sub> ’ is the wavelength at 2.4 GHz) with decent radiation efficiency, total efficiency and realized gain for both lower and higher order modes.
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