Metasurface-Inspired Circularly Polarized MIMO Antenna for 5G mmWave Applications

IF 4.8 2区计算机科学 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC IEEE Antennas and Wireless Propagation Letters Pub Date : 2024-11-19 DOI:10.1109/LAWP.2024.3502425

Harshasri Kanakavalli;R. Pandeeswari;Shulabh Gupta

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引用次数: 0

Abstract

This letter offers metasurface-inspired multiple-input--multiple-output (MIMO) antenna with circular polarization (CP). The antenna radiating element consists of 1 × 2 array nonbianisotropic split ring resonator with an interdigital capacitance. Furthermore, a four-port MIMO antenna is designed with a 8 × 8 metasurface array (M-Array) on the ground plane. The dimensions of the proposed CP MIMO antenna are 4.6

$\lambda _{0}$

$\, \times\, \text{4.6}\lambda _{0}$

$\,\times\, \text{0.128}\lambda _{0}$

at 28 GHz. The MIMO antenna with an M-Array offers a frequency range of 30.15% [(23.8 to 32.25) GHz], isolation above 55 dB and an overlapping 3 dB axial ratio bandwidth of 14% from 26.5 GHz to 30.5 GHz with a high gain of 18.5 dBi. The proposed MIMO antenna is simplified into an equivalent circuit model. Diversity metrics ensures good diversity performance including, envelope correlation coefficient (ECC

$< $

0.01), diversity gain (DG

$\approx$

10 dB), channel capacity loss (CCL

$< $

0.1 bits/Hz), and total active reflection coefficient (TARC

$< $

–10 dB). The proposed MIMO antenna's operational range includes the mmWave band [(25 to 29.5) GHz]. It is well suited for 5G new radio smart devices due to its better performance and compatibility with 5G communication standards.

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5G毫米波应用的超表面启发圆极化MIMO天线

这封信提供了具有圆极化（CP）的超表面启发的多输入多输出（MIMO）天线。天线辐射元件由1 × 2阵列非双各向异性分环谐振器组成，具有数字间电容。此外，还设计了一个四端口MIMO天线，并在地平面上采用8 × 8超表面阵列（M-Array）。所提出的CP MIMO天线在28 GHz时的尺寸为4.6 $\lambda _{0}$$\, \times\, \text{4.6}\lambda _{0}$$\,\times\, \text{0.128}\lambda _{0}$。带有m阵列的MIMO天线提供30.15的频率范围% [(23.8 to 32.25) GHz], isolation above 55 dB and an overlapping 3 dB axial ratio bandwidth of 14% from 26.5 GHz to 30.5 GHz with a high gain of 18.5 dBi. The proposed MIMO antenna is simplified into an equivalent circuit model. Diversity metrics ensures good diversity performance including, envelope correlation coefficient (ECC $< $ 0.01), diversity gain (DG $\approx$ 10 dB), channel capacity loss (CCL $< $ 0.1 bits/Hz), and total active reflection coefficient (TARC $< $ –10 dB). The proposed MIMO antenna's operational range includes the mmWave band [(25 to 29.5) GHz]. It is well suited for 5G new radio smart devices due to its better performance and compatibility with 5G communication standards.

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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.