一个具有宽带和高隔离特性的四元毫米波MIMO天线系统,适用于5G应用
Mehr E Munir1,2, Saad Hassan Kiani1, Huseyin Serif Savci3
1Smart Systems Engineering Laboratory, College of Engineering, Prince Sultan University, Riyadh 11586, Saudi Arabia.
Micromachines
|July 8, 2023
概括
我们为第五代 (5G) 毫米波设备开发了一种紧,轻量级的多输入多输出 (MIMO) 天线系统. 这种新的设计实现了优秀的隔离和令人满意的性能指标,用于先进的无线应用.
科学领域:
- 电气工程 电气工程
- 天线理论天线理论
- 无线通信无线通信
背景情况:
- 紧的第五代 (5G) 毫米波设备需要高效,低调的天线系统.
- 现有的解决方案经常面临尺寸,集成和在毫米波频率的性能方面的挑战.
- 多输入多输出 (MIMO) 技术对于提高无线通信能力和可靠性至关重要.
研究的目的:
- 为紧的5G毫米波应用提出和验证一种轻量级,低调的MIMO天线系统.
- 调查拟议天线设计的双频特征和隔离性能.
- 评估关键的MIMO参数,如封面相关系数 (ECC),平均有效收益 (MEG) 和多样性收益 (DG).
主要方法:
- 一个单元圆环天线的设计,使用薄的RO5880基板.
- 垂直和水平堆叠的天线元件,以创建一个紧的形式因素.
- 制造一个四元线性阵列MIMO系统,并对模拟和测量结果进行比较.
主要成果:
- 单元天线表现出带宽为10 GHz (23-33 GHz) 和3.25 GHz (37.75-41 GHz) 的双带共振.
- 四元线性阵列在两个共振波段实现了超过20dB的隔离水平.
- 衍生的MIMO参数 (ECC,MEG,DG) 处于令人满意的范围内,通过原型测试进行验证.
结论:
- 拟议的轻量级,低调的MIMO天线系统适用于紧的5G毫米波设备.
- 该设计展示了出色的隔离和有利的性能指标,用于先进的无线通信.
- 实验验证证证实了模拟结果,强调了天线系统的实际适用性.
相关概念视频
Standing Electromagnetic Waves
1.6K
Electromagnetic waves can be reflected; the surface of a conductor or a dielectric can act as a reflector. As electric and magnetic fields obey the superposition principle, so do electromagnetic waves. The superposition of an incident wave and a reflected electromagnetic wave produces a standing wave analogous to the standing waves created on a stretched string.
Suppose a sheet of a perfect conductor is placed in the yz-plane, and a linearly polarized electromagnetic wave traveling in the...
Suppose a sheet of a perfect conductor is placed in the yz-plane, and a linearly polarized electromagnetic wave traveling in the...
1.6K
Mesh Analysis for AC Circuits
398
In the domain of radio communication, the significance of impedance matching must be considered. It is crucial to ensure the efficient transmission of signals between radio transmitters and receivers. Achieving this balance involves using impedance-matching circuits, with one fundamental configuration comprising a resistor, capacitor, and inductor.
The process of harmonizing these impedances begins with a clear understanding of the input and output signals. Once these signals are known, the...
The process of harmonizing these impedances begins with a clear understanding of the input and output signals. Once these signals are known, the...
398
Electromagnetic Waves
8.8K
James Clerk Maxwell formulated a single theory combining all the electric and magnetic effects scientists knew during that time, calling the phenomena his theory predicted “Electromagnetic waves”. He brought together all the work that had been done by brilliant physicists such as Oersted, Coulomb, Gauss, and Faraday and added his own insights to develop the overarching theory of electromagnetism. Maxwell’s equations, combined with the Lorentz force law, encompass all the laws...
8.8K
Transmission Line Design Considerations
172
Aluminum has become the material of choice for overhead transmission lines, surpassing copper due to its abundance and cost-effectiveness. The most prevalent type is the aluminum conductor, steel-reinforced (ACSR), which combines aluminum strands around a steel core. Other variants include all-aluminum conductors (AAC), all-aluminum alloy conductors (AAAC), aluminum conductor alloy-reinforced (ACAR), and aluminum-clad steel conductors. Advanced designs, such as aluminum conductors with steel...
172
Electromagnetic Fields
2.2K
Electric fields generated by static charges, often referred to as electrostatic fields, are characteristically different from electric fields created by time-varying magnetic fields. While the former is a conservative field, implying that no net work is done on a test charge if it goes around in a complete loop in the field, the latter is, by definition, not a conservative field; net work is done, and it is proportional to the rate of change of magnetic flux.
However, the observation of...
However, the observation of...
2.2K
Standing Waves in a Cavity
962
A household microwave and lasers are examples of standing electromagnetic waves in a cavity. When two conducting metal plates are placed parallel at the nodal planes, it creates a cavity where standing waves are formed. The cavity between the two planes is analogous to a stretched string held at the points x = 0 and x = L. Here, the distance 'L' between the two planes must be an integer multiple of half of the wavelength. The wavelengths that satisfy this condition are given by:
962


