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- W4385656571 abstract "A single-layer dual-band shared-aperture antenna for vehicular communications is proposed in this paper, which adopts a coplanar millimeter-wave (mm-Wave) band antenna embedded in a microwave band antenna. In the microwave Vehicle-to-Everything (V2X) band (5.905–5.925 GHz), an annular-ring patch antenna based on the TM <sub xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>12</sub> mode is designed. A pair of slots are etched out on the radiating patch to reshape the current distribution of the TM <sub xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>12</sub> mode, making it more codirectionally distributed. The sidelobe level can be completely suppressed from -5.2 dB, thus achieving better broadside radiation characteristics. In the 5G mm-Wave n257 band (26.5–29.5 GHz), a substrate integrated waveguide (SIW) slotted cavity backed antenna based on TE <sub xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>440</sub> mode is designed, which achieves high gain and low sidelobe performance. Experimental results show that the impedance bandwidth of the microwave band is 3.7% (5.74–5.96 GHz), and that of the mm-Wave band is 10.9% (26.66–29.72 GHz). The mutual performances of the two antennas are hardly affected, and the measured isolation of both ports is greater than 45 dB. The measured gain reaches 10.8 dBi and 13.7 dBi, respectively, while maintaining sidelobe levels below -14.8 dB. At the same time, the antenna profile is only 0.015 λ <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 in free space at low frequency). Therefore, a microwave and mm-Wave dual-band shared-aperture antenna with a compact structure and independently controllable performance is realized, which provides a promising candidate for different vehicular communication application scenarios." @default.
- W4385656571 created "2023-08-09" @default.
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- W4385656571 date "2023-01-01" @default.
- W4385656571 modified "2023-09-22" @default.
- W4385656571 title "A Sigle-Layer Dual-Band Shared-Aperture Antenna With High Gain and Sidelobe Suppression Based on High-Order Mode for Vehicular Communications" @default.
- W4385656571 doi "https://doi.org/10.1109/tvt.2023.3303208" @default.
- W4385656571 hasPublicationYear "2023" @default.
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