Electromagnetic coupling suppression of circularly polarized mimo antenna with novel loop parasitic for UWB communication

IF 1.2 4区工程技术 Q4 COMPUTER SCIENCE, HARDWARE & ARCHITECTURE Analog Integrated Circuits and Signal Processing Pub Date : 2024-02-08 DOI:10.1007/s10470-024-02256-1

Muhammad Irshad Khan, Shaobin Liu, Saeed Ur Rahman, Muhammad Kabir Khan, Muhammad Sajjad, Abdul Basit, Jianliang Mao, Amil Daraz

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Abstract

In this article, four elements circularly polarized trapezoid multiple inputs and multiple outputs (MIMO) antenna for UWB application is presented. The electrical dimension of presented four elements MIMO antenna in term of lambda (λ) is 0.44λ × 0.44λ × 0.012λ. The novel loop parasitic is used for the enhancement of isolation and impedance bandwidth. The reflection coefficient (Sij ∈ i = j) is less than − 10dB in range of 2.4 GHz and 13.5 GHz and isolation (Sij ∈ i ≠ j) is greater than 22dB in given range. The axial ratio bandwidth (ARBW) of presented trapezoid antenna is 3.6 GHz; less than − 3dB in the range of 6.7 and 10.3 GHz. The peak gain is 5.9dBi, diversity gain (DG) > 9.89dB and envelope correlation coefficient (ECC) < 0.022. Various other parameters such as radiation pattern, reflection coefficient, Isolation, multiplexing efficiency, ECC, DG and peak gain are discussed in detail for experimental validation.

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用于 UWB 通信的带有新型环形寄生器的圆极化 mimo 天线的电磁耦合抑制功能

本文介绍了用于 UWB 应用的四元圆极化梯形多输入多输出（MIMO）天线。所介绍的四元件 MIMO 天线的电气尺寸（λ）为 0.44λ × 0.44λ × 0.012λ。新型环路寄生用于提高隔离度和阻抗带宽。在 2.4 GHz 和 13.5 GHz 范围内，反射系数（Sij ∈ i = j）小于-10dB，在给定范围内，隔离度（Sij ∈ i ≠ j）大于 22dB。梯形天线的轴向比带宽（ARBW）为 3.6 千兆赫；在 6.7 和 10.3 千兆赫范围内小于-3 分贝。峰值增益为 5.9dBi，分集增益（DG）为 9.89dB，包络相关系数（ECC）为 0.022。为进行实验验证，还详细讨论了辐射模式、反射系数、隔离度、复用效率、ECC、DG 和峰值增益等其他各种参数。

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来源期刊

Analog Integrated Circuits and Signal Processing 工程技术-工程：电子与电气

CiteScore

0.30

自引率

7.10%

发文量

141

审稿时长

7.3 months

期刊介绍： Analog Integrated Circuits and Signal Processing is an archival peer reviewed journal dedicated to the design and application of analog, radio frequency (RF), and mixed signal integrated circuits (ICs) as well as signal processing circuits and systems. It features both new research results and tutorial views and reflects the large volume of cutting-edge research activity in the worldwide field today. A partial list of topics includes analog and mixed signal interface circuits and systems; analog and RFIC design; data converters; active-RC, switched-capacitor, and continuous-time integrated filters; mixed analog/digital VLSI systems; wireless radio transceivers; clock and data recovery circuits; and high speed optoelectronic circuits and systems.