基于机器学习的设计和优化,一个紧的双端口CPW为无线通信提供UWB MIMO天线
Jayant Kumar Rai1,2, Swati Yadav3, Ajay Kumar Dwivedi4
1Department of Electronics and Telecommunication, RKR Government Polytechnic, Janjgir Champa, Chhattisgarh, India.
Scientific reports
|April 22, 2025
概括
使用机器学习 (ML) 优化的一种新型紧型双端口天线,实现了用于下一代无线通信的8.7 GHz带宽,包括5G和Wi-Fi. 决策树ML算法提供了99.92%的准确性.
科学领域:
- 电气工程 电气工程
- 天线设计天线设计
- 无线通信无线通信
背景情况:
- 下一代无线系统需要高性能天线,能够支持超宽带宽.
- 多输入多输出 (MIMO) 技术对于提高无线通信可靠性和数据速率至关重要.
- 机器学习 (ML) 为复杂的天线设计提供了强大的优化功能.
研究的目的:
- 为了呈现一个紧的双端口共平面波导 (CPW) 输入超宽带 (UWB) 天线.
- 使用各种机器学习 (ML) 算法优化天线设计.
- 为了验证天线的性能,用于下一代无线通信标准.
主要方法:
- 在FR4环氧基板上设计和模拟CPW供应的UWB MIMO天线.
- 使用人工神经网络 (ANN),极端梯度增强 (XGBoost),随机森林 (RF),K-最近邻居 (KNN) 和决策树 (DT) ML算法优化天线参数.
- 拟议天线的制造和测量,以验证模拟结果.
主要成果:
- 实现了8.7 GHz (2.78-11.48 GHz) 的超宽带宽.
- 决策树ML算法在优化方面表现出最高的准确性 (99.92%).
- 对S参数,辐射模式和MIMO参数 (DG,CCL,MEG,ECC,TARC) 的模拟和测量数据之间有很好的相关性.
结论:
- 拟议的UWB MIMO天线适用于各种下一代无线应用,包括5G和Wi-Fi.
- 基于ML的优化显著提高了天线设计效率和性能.
- 经过验证的天线设计为未来的无线通信系统提供了有希望的解决方案.
相关概念视频
01:23Transmission Line Design Considerations
104
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...
104
01:16Maximum Power Transfer
180
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...
180
01:20Design Example: Capacitance Multiplier Circuit
614
In integrated circuit technology, a capacitance multiplier is often utilized to produce a larger capacitance value when a small physical capacitance falls short. This is achieved by a circuit that multiplies capacitance values by a factor of up to 1000, such that a 10-pF capacitor can replicate the performance of a 100-nF capacitor.
The circuit illustrated in Figure 1 below incorporates two op-amps, with the first operating as a voltage follower and the second acting as an inverting amplifier.
The circuit illustrated in Figure 1 below incorporates two op-amps, with the first operating as a voltage follower and the second acting as an inverting amplifier.
614
01:23Design Example
308
The innovation of touch-tone telephony revolutionized the telecommunications industry by replacing the traditional rotary dial with a dual-tone multi-frequency (DTMF) signaling system. This system uses a matrix-style keypad with buttons arranged in four rows and three columns, creating 12 distinct signals each assigned to a pair of frequencies. Each button press results in a simultaneous generation of two sinusoidal tones – one from a low-frequency group (697 to 941 Hz) and one from a...
308
01:10Generating Electromagnetic Radiations
2.4K
The German physicist Heinrich Hertz (1857–1894) was the first to generate and detect certain types of electromagnetic waves in the laboratory. Starting in 1887, he performed a series of experiments that confirmed the existence of electromagnetic waves and verified that they travel at the speed of light. Hertz used an alternating-current RLC (resistor-inductor-capacitor) circuit that resonated at a known frequency and connected it to a loop of wire. High voltages induced across the gap in...
2.4K