Modified four-port dual-band (FPDB) scaled rectangular inset-feed MIMO antenna for 5G-millimeter-wave applications including 28.0 GHz/38.0 GHz bands

IF 3.3 3区工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC Optical and Quantum Electronics Pub Date : 2024-10-21 DOI:10.1007/s11082-024-07581-3

Swati Patil, Vijay Patil, Manish Sharma

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Abstract

This research focuses on a Four-Port dual-band (FPDB) MIMO antenna in millimeter-wave applications. The antenna is compact occupying an overall dimension of 12 × 11 mm² printed on Rogers-Dielectric 2.20 utilizing opposite surface for the printing of radiating patch and ground. An elliptical slotted square patch is used to achieve 28.0 GHz resonance and by scaling the antenna patch by a factor of 0.72, the resonance shifts to 38.0 GHz with additional resonance at 28.0 GHz achieved by embedding rectangular-stub. For better matching of impedance, the antenna is inset-fed and the four-port configuration achieves measured operating bandwidth of 26.32–29.76 GHz and 36.82–38.89 GHz. The proposed MIMO antenna includes desirable 2-D radiation patterns in the Elevation and Azimuth plane with a peak gain of 6.77dBi at 28.0 GHz and 9.46dBi at 38.0 GHz. The measured diversity parameters include ECC < 0.0056, DG \(\cong \) 10.0 dB, TARC < − 10.0 dB, CCL < 0.32 b/s/Hz, MEG \(\cong \)− 3.0 dB, and MEG-Ratio of \(\cong \) 0.0 dB. The SAR values also correspond to 0.6825 W/kg at 28.0 GHz and 0.3357 W/Kg at 38.0 GHz suggesting the features of the proposed work are suitable for future millimeter-wave applications.

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用于 5G 毫米波应用（包括 28.0 GHz/38.0 GHz 频段）的改进型四端口双频 (FPDB) 缩放矩形嵌入式馈电 MIMO 天线

这项研究的重点是毫米波应用中的四端口双频（FPDB）多输入多输出天线。该天线结构紧凑，整体尺寸为 12 × 11 mm2，印制在罗杰斯-电介质 2.20 材料上，辐射贴片和地线的印制采用了相反的表面。椭圆形开槽方形贴片用于实现 28.0 GHz 的谐振，通过将天线贴片放大 0.72 倍，谐振移至 38.0 GHz，并通过嵌入矩形管实现 28.0 GHz 的额外谐振。为了实现更好的阻抗匹配，天线采用了嵌入式馈电，四端口配置实现了 26.32-29.76 GHz 和 36.82-38.89 GHz 的测量工作带宽。拟议的 MIMO 天线在仰角和方位平面上具有理想的二维辐射模式，在 28.0 GHz 和 38.0 GHz 的峰值增益分别为 6.77dBi 和 9.46dBi。测得的分集参数包括 ECC < 0.0056、DG \(\cong \) 10.0 dB、TARC < - 10.0 dB、CCL < 0.32 b/s/Hz、MEG \(\cong \)- 3.0 dB 和 MEG-Ratio \(\cong \) 0.0 dB。SAR值在28.0 GHz时为0.6825 W/kg，在38.0 GHz时为0.3357 W/Kg。

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来源期刊

Optical and Quantum Electronics 工程技术-工程：电子与电气

CiteScore

4.60

自引率

20.00%

发文量

810

审稿时长

3.8 months

期刊介绍： Optical and Quantum Electronics provides an international forum for the publication of original research papers, tutorial reviews and letters in such fields as optical physics, optical engineering and optoelectronics. Special issues are published on topics of current interest. Optical and Quantum Electronics is published monthly. It is concerned with the technology and physics of optical systems, components and devices, i.e., with topics such as: optical fibres; semiconductor lasers and LEDs; light detection and imaging devices; nanophotonics; photonic integration and optoelectronic integrated circuits; silicon photonics; displays; optical communications from devices to systems; materials for photonics (e.g. semiconductors, glasses, graphene); the physics and simulation of optical devices and systems; nanotechnologies in photonics (including engineered nano-structures such as photonic crystals, sub-wavelength photonic structures, metamaterials, and plasmonics); advanced quantum and optoelectronic applications (e.g. quantum computing, memory and communications, quantum sensing and quantum dots); photonic sensors and bio-sensors; Terahertz phenomena; non-linear optics and ultrafast phenomena; green photonics.