Performance characterization of compact pentagon-based 4 × 4 and 8 × 8 MIMO antennas

IF 1.4 4区工程技术 Q4 COMPUTER SCIENCE, HARDWARE & ARCHITECTURE

Analog Integrated Circuits and Signal Processing Pub Date : 2025-09-27 DOI:10.1007/s10470-025-02491-0

Shibani Tripathy, Diptimayee Konhar, Ananda Kumar Behera

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引用次数: 0

Abstract

This manuscript presents a 4-element (40 × 40 mm²) and 8-element (80 × 80 mm²) Multiple-Input Multiple-Output (MIMO) antenna designed for 5th generation technology within the sub-6 GHz frequency range. Each element of the MIMO antenna, which comprises a perturbed pentagon rectangular-cut antenna, is arranged in an orthogonal configuration on a single substrate. To ensure optimal performance, a circular ring-like strip is added on the pentagon-shaped patch. The novel printed sub-6 GHz antenna is fed by a microstrip line. Parallel strips (4-element) and corner isolating strips on the ground plane (8-element) are the key segments that improve isolation. The unique MIMO antenna design contributes to the desired return loss and isolation characteristics. The achieved parameters for the designed antenna; Envelope Correlation Coefficient (ECC) < 0.002, Diversity Gain (DG) ≈9.99 dB and Channel Capacity Loss (CCL) < 0.1bps/ Hz, show acceptable MIMO performance. This design will support large-scale IoT utilization with better dependability and data throughput.

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基于五角大楼的紧凑4 × 4和8 × 8 MIMO天线的性能表征

本文介绍了一种用于sub-6 GHz频率范围内的第五代技术的4元（40 × 40 mm2）和8元（80 × 80 mm2）多输入多输出（MIMO）天线。MIMO天线的每个元件，包括一个摄动五边形矩形切割天线，以正交结构布置在单个基板上。为了保证最佳的性能，在五边形的贴片上增加了一个环形的条带。该天线采用微带线馈电。平行带（4元）和接面角隔离带（8元）是提高隔离的关键段。独特的MIMO天线设计有助于实现所需的回波损耗和隔离特性。所设计天线的实现参数；包络相关系数（ECC）为0.002，分集增益(DG)≈9.99 dB，信道容量损耗（CCL）为0.1bps/ Hz，具有可接受的MIMO性能。该设计将支持大规模物联网利用，具有更好的可靠性和数据吞吐量。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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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.