基于回归机器学习的高效双带MIMO天线设计,用于毫米波5G应用和增益预测
Redwan A Ananta1, Md Ashraful Haque1, Geamel Alyami2
1Department of Electrical and Electronic Engineering, Daffodil International University, Dhaka, Bangladesh.
Scientific reports
|August 6, 2025
概括
本研究介绍了一种适用于5G毫米波系统的紧型双频微带补丁天线. 机器学习准确地预测了天线性能,为未来的无线网络提供了高效的设计.
科学领域:
- 电气工程 电气工程
- 电磁学 电磁学 电磁学 电磁学
- 无线通信无线通信
背景情况:
- 由于无线通信系统的发展,对毫米波 (mm-Wave) 频率的高性能天线的需求正在迅速增加.
- 紧而高效的天线设计对于5G及其他应用至关重要.
研究的目的:
- 设计和分析一个在双频 (28GHz和38GHz) 运行的微条纹补丁天线系统.
- 为了评估天线在单元,2元阵列和4端口MIMO配置中的性能.
- 开发和验证用于预测天线性能的机器学习框架.
主要方法:
- 在罗杰斯RT5880基板上的微条纹补丁天线的设计,具有紧的足迹 (31.26mm × 31.26mm).
- 性能分析包括增益,带宽,隔离,信封相关系数 (ECC),多样性增益 (DG) 和辐射效率.
- 使用五种回归模型 (额外树回归评估) 实现基于机器学习的预测框架.
主要成果:
- 该天线系统实现了高收益 (9 dB和8.4 dB) 和宽带宽 (2.55 GHz和5.77 GHz).
- 获得了优异的隔离 (>35 dB和>29 dB),非常低的ECC (<0.0001),高的DG (>0.999) 和辐射效率 (>98%和>99%).
- 额外树木回归模型在预测天线性能方面显示出高准确性,MAE,MSE和RMSE的错误率较低,隔离预测准确率约为93%.
结论:
- 拟议的紧型双频天线系统在毫米波应用中表现出卓越的性能.
- 机器学习框架为准确的天线性能预测提供了有效的工具.
- 该天线系统非常适合未来的高容量无线通信网络.
相关概念视频
01:12Mesh Analysis for AC Circuits
419
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...
419
01:15Receiver Operating Characteristic Plot
333
A ROC (Receiver Operating Characteristic) plot is a graphical tool used to assess the performance of a binary classification model by illustrating the trade-off between sensitivity (true positive rate) and specificity (false positive rate). By plotting sensitivity against 1 - specificity across various threshold settings, the ROC curve shows how well the model distinguishes between classes, with a curve closer to the top-left corner indicating a more accurate model. The area under the ROC curve...
333
01:23Transmission Line Design Considerations
215
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...
215
01:30Propagation Speed of Electromagnetic Waves
4.0K
Electromagnetic waves are consistent with Ampere's law. Assuming there is no conduction current Ampere's law is given as:
4.0K
01:23Small-Signal Analysis of MOSFET Amplifiers
738
In small-signal analysis, a MOSFET transistor amplifier acts as a linear amplifier when operating in its saturation region. The gate-to-source voltage (VGS) of the MOSFET is the sum of the DC biasing voltage and the small time-varying input signal. This combination sets up the operating point and modulates the drain current (ID) that flows from the drain to the source. When a small AC signal is superimposed on the DC bias voltage at the gate, the instantaneous drain current comprises three...
738
01:16Maximum Power Transfer
406
Numerous practical applications within engineering disciplines, such as telecommunications, necessitate optimizing power delivery to a connected load. This pursuit, however, entails inherent internal losses, which can either equal or exceed the power supplied to the load. The Thevenin equivalent circuit is helpful in finding the maximum power a linear circuit can deliver to a load. It is assumed in this context that the load resistance can be adjusted.
By substituting the entire circuit with...
By substituting the entire circuit with...
406