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- W4386494838 abstract "This paper proposes an all-metal and periodically-sparse phased array antenna, which operates from 66 GHz to 76 GHz with high-efficiency and wide-scanning performance. The rectangular waveguide is modified with the double-ridge to extend the single <tex xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>$mathbf{TE}_{10}$</tex> mode bandwidth at first. The tapered slot antenna acts as the unit cell and is fed by the ridge waveguide. The adjacent unit cells are connected to enhance the electromagnetic-field continuity of the antenna aperture, so that the bandwidth of the antenna element is wider. The 4-element subarray is excited by the low-loss power divider and the Teflon phase shifters. After the design procedure by the invasive weed optimization and the iterative convex optimization algorithms, the optimal array achieves the 75% channel reduction and the wide-scanning range over <tex xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>$pm mathbf{60}^{circ}$</tex> without the grating lobes. Moreover, compared with the antenna based on the organic materials, the proposed all-metal antenna achieves the remarkable thermal dissipation performance." @default.
- W4386494838 created "2023-09-07" @default.
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- W4386494838 date "2023-07-23" @default.
- W4386494838 modified "2023-10-16" @default.
- W4386494838 title "All-Metal, High-Efficiency and Wide-Scanning Phased Array Antenna with Sparse Architecture for 6G High-Integration RF Front-End" @default.
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- W4386494838 doi "https://doi.org/10.1109/usnc-ursi52151.2023.10238076" @default.
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