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- W2553219657 abstract "In this paper, a V-band low sidelobe and wideband series fed linear dielectric resonator antenna (DRA) array is proposed. Among many kinds of DRAs, the perforated rectangular dielectric resonator antenna (RDRA) is chosen as the antenna element in our design, which can enhance the impedance bandwidth by lowering down the quality factor. By optimizing the size of the slots and distance between adjacent slots, the fundamental TE 111 mode of the RDRA is preserved. Besides enhancement of impedance bandwidth, such structure can also miniaturize the antenna elements, which can light the weight of the array and reduce the mutual coupling between antenna elements. To get a low sidelobe level (SLL), the Chebyshev current distribution is used in our design, which is achieved by a series feeding network. A ground plane separates the arrays and the feeding network, which avoids the parasitic radiation from feeding network affecting the radiation pattern of the array. The structure of the proposed DRA array is optimized, simulation results are also presented. The impedance bandwidth of the proposed antenna array is of 36.1% (56.3 ∼ 81.1 GHz), which completely covers the 57 ∼ 66 GHz unlicensed frequency band. The antenna gain is of 15.7 dBi in 60 GHz, and is higher than 13 dBi over the 57 ∼ 66 GHz frequency band, which can meet the IEEE 802.15 and ECMA 384 standards in the 60 GHz wireless communication systems. The SLL is of −27.7 dB in 60 GHz, and the low sidelobe level bandwidth (SLL < −20 dB) is of 9.05% (57.0 ∼ 62.4 GHz). All these features make the proposed antenna array good potential applications in V-band system, especially in the 60 GHz wireless communication systems." @default.
- W2553219657 created "2016-11-30" @default.
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- W2553219657 date "2016-08-01" @default.
- W2553219657 modified "2023-09-27" @default.
- W2553219657 title "Design of a V-band low sidelobe and wideband linear DRA array" @default.
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- W2553219657 doi "https://doi.org/10.1109/piers.2016.7734372" @default.
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