基于SRR和dgs的中5g频段和高5g频段高隔离四端口MIMO天线

IF 1 4区 工程技术 Q4 INSTRUMENTS & INSTRUMENTATION MAPAN Pub Date : 2023-11-18 DOI:10.1007/s12647-023-00704-3
Atanu Chowdhury, Prashant Ranjan
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引用次数: 0

摘要

本文提出了一种紧凑的四端口多输入多输出(MIMO)天线,该天线基于顶部的四个分环谐振器(SRR)和底部的缺陷接地结构(DGS),用于5G通信。srr用于在5g中期频段的4ghz频率上谐振。在底部(DGS)切割一个“+”符号槽以扩大带宽。该天线还通过在地平面上的四个方形环形槽实现了高5g频段(26.8-29.8 GHz) (n257/n258频段)。它进一步增强了5G中频段(2.9-6 GHz) (n74/n75/n76/n77/n78频段)的带宽,并有助于在两个5G频段实现每个辐射元件之间的高度隔离(超过40 dB)。MIMO天线的尺寸为60mm × 60mm × 1.6 mm。它在5g中频段和5g高频段的最大增益分别为4.59 dB和4.32 dB。在5g中频段和5g高频段实现的最大辐射效率分别为89%、81%。该天线的分集功能也很突出,在两个频段测量到的ECC值为0.01-0.42,DG值为9.6-10 dB, TARC值小于- 10 dB。对所提出的天线的整体性能进行了实际验证、讨论和介绍。
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SRR and DGS-Based Highly Isolated Four-Port MIMO Antenna for Mid-5G Band and High-5G Band

This manuscript proposed a compact four-port multiple input multiple output (MIMO) antenna based on four split-ring resonators (SRR) at the top and a defected ground structure (DGS) at the bottom of the substrate for 5G communication. SRRs are used to resonate at 4 GHz frequency in mid-5G band. A slot of “ + ” symbol is cut at the bottom (DGS) to enlarge the bandwidth. The proposed antenna also achieved a high-5G frequency band (26.8–29.8 GHz) (n257/n258 band) by four square-shaped ring slots at the ground plane. It further enhances the bandwidth in mid-5G band (2.9–6 GHz) (n74/n75/n76/n77/n78 band) and helps to achieve a high degree of isolation between each radiating element (over 40 dB) at both the 5G bands. The size of the proposed MIMO antenna is 60 mm × 60 mm × 1.6 mm. It achieves a maximum gain of 4.59 dB, 4.32 dB at the mid-5G and high-5G band, respectively. The maximum radiation efficiencies achieved are 89%, 81% at the mid-5G and high-5G band, respectively. The diversity functionality of the antenna is also outstanding as the value of ECC is 0.01–0.42, DG is 9.6–10 dB, and TARC is less than − 10 dB measured in both the bands. The entire performance of the proposed antenna is practically verified, discussed and presented.

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来源期刊
MAPAN
MAPAN 工程技术-物理:应用
CiteScore
2.30
自引率
20.00%
发文量
91
审稿时长
3 months
期刊介绍: MAPAN-Journal Metrology Society of India is a quarterly publication. It is exclusively devoted to Metrology (Scientific, Industrial or Legal). It has been fulfilling an important need of Metrologists and particularly of quality practitioners by publishing exclusive articles on scientific, industrial and legal metrology. The journal publishes research communication or technical articles of current interest in measurement science; original work, tutorial or survey papers in any metrology related area; reviews and analytical studies in metrology; case studies on reliability, uncertainty in measurements; and reports and results of intercomparison and proficiency testing.
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