A Tri-Frequency Shared-Aperture Antenna for Cooperative Work of V2X and Millimeter-Wave Bands

IF 4.8 2区计算机科学 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC IEEE Antennas and Wireless Propagation Letters Pub Date : 2024-12-13 DOI:10.1109/LAWP.2024.3517538

Jie-Er Zhang;Gu Liu;Wen-Wen Yang;Jian-Xin Chen

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Abstract

The microwave (MW)/millimeter-wave (MMW) shared aperture technique is a promising approach to support different frequency bands within limited space. In this letter, a 1 × 4 beam-scanning linear antenna array operating at the MMW (28/39 GHz) band and a vehicle-to-everything (V2X) (5.9 GHz) patch antenna are integrated to share the same aperture. Not only are the entire MMW bands covered, but also the mutually enhanced characteristic between the MW and MMW bands is achieved with the slot-loaded patch. The MW patch nested outside of the MMW radiators can enhance the gain and extend the beam-scanning angles of the MMW antenna array. Furthermore, the hollowed space reserved for MMW antenna can improve the radiation pattern of the MW patch TM₂₁ mode. The proposed tri-band antenna was fabricated and measured. Measured results show that the MMW antenna can cover the bandwidths of 24.4 GHz to 29.3 GHz/36.7 GHz to 41.4 GHz, with the peak gains of 11 dBi/11.3 dBi at 28 GHz/39 GHz frequency bands, while the proposed MW antenna achieves a bandwidth of ∼170 MHz with a peak gain of 8.03 dBi.

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V2X与毫米波协同工作的三频共孔径天线

微波/毫米波共享孔径技术是在有限空间内支持不同频段的一种很有前途的方法。在这封信中，一个工作在MMW （28/39 GHz）频段的1 × 4波束扫描线性天线阵列和一个车对一切（V2X）（5.9 GHz）贴片天线集成在一起，共享相同的孔径。该贴片不仅覆盖了整个毫米波频段，而且实现了毫米波和毫米波频段之间的相互增强特性。在毫米波辐射器外嵌套毫米波贴片可以提高毫米波天线阵列的增益和波束扫描角。此外，预留给毫米波天线的空化空间可以改善毫米波贴片TM21模式的辐射方向图。对所设计的三波段天线进行了制作和测量。实测结果表明，毫米波天线可以覆盖24.4 GHz ~ 29.3 GHz/36.7 GHz ~ 41.4 GHz的带宽，在28 GHz/39 GHz频段的峰值增益为11 dBi/11.3 dBi，而所提出的毫米波天线的带宽为~ 170 MHz，峰值增益为8.03 dBi。

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来源期刊

IEEE Antennas and Wireless Propagation Letters 工程技术-电信学

CiteScore

8.00

自引率

9.50%

发文量

529

审稿时长

1.0 months

期刊介绍： IEEE Antennas and Wireless Propagation Letters (AWP Letters) is devoted to the rapid electronic publication of short manuscripts in the technical areas of Antennas and Wireless Propagation. These are areas of competence for the IEEE Antennas and Propagation Society (AP-S). AWPL aims to be one of the "fastest" journals among IEEE publications. This means that for papers that are eventually accepted, it is intended that an author may expect his or her paper to appear in IEEE Xplore, on average, around two months after submission.