用于AiP应用的高增益宽带柔性漏波MIMO天线

2022 Workshop on Microwave Theory and Techniques in Wireless Communications (MTTW) Pub Date : 2022-10-05 DOI:10.1109/MTTW56973.2022.9942584

T. Saeidi, S. Karamzadeh

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引用次数: 2

摘要

在d波段设计了一种四端口柔性漏波天线(LWA)，以获得具有一致增益和小型化尺寸的铅笔束辐射方向图，用于封装天线(AiP)应用。它设计在介电常数为3.5、正切损耗为0.006、厚度为10 μm的聚酰亚胺衬底上。它由两个矩形贴片组成，通过共面波导(CPW)馈电技术馈电。它还结合了矩形贴片上的横向和纵向凹槽，形成圆偏振，改善了LWAs的开阻带问题。此外，在每次馈电时采用匹配单元，然后在馈电线上进行h槽切割，以改善天线的互耦性。所提出的天线提供110- 135 GHz的宽带(BW)，尺寸小，为6 × 7 mm2。主波束扫描范围从- 87°在110 GHz到0°在130 GHz。模拟的峰值增益为14.8 dBic，几乎是在115 GHz的宽方向上。

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High Gain Wide Band Flexible Leaky Wave MIMO Antenna for AiP Applications

A four-port flexible Leaky Wave Antenna (LWA) is designed in the D-band to obtain a pencil beam radiation pattern with consistent gain and miniaturized size for Antenna in Package (AiP) applications. It is designed on a polyimide substrate with dielectric constant of 3.5, tangent loss of 0.006, and thickness of 10 μm. It consists of two rectangular patches fed through the Coplanar Waveguide (CPW) feeding technique. It also combines transverse and longitudinal slots on the rectangular patches to create circular polarization and improve the open stop-band issue of the LWAs. In addition, a matching element is utilized at each feeding, and then the feed line is cut by H-slots to improve the mutual coupling of the antenna. The proposed antenna offers a wide Bandwidth (BW) of 110- 135 GHz with small dimensions of 6 × 7 mm2. The main beam scans from −87° at 110 GHz to 0° at 130 GHz. The simulated peak gain of 14.8 dBic is obtained in an almost broadside direction at 115 GHz.

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2022 Workshop on Microwave Theory and Techniques in Wireless Communications (MTTW)

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