为动机宽带LPDA天线进行了优化设计
Islam M Ibrahim1,2, Mohamed I Ahmed3,4, Hala M Abdelkader1
1Department of Electrical Engineering, Shoubra Faculty of Engineering, Benha University, Cairo, 11629, Egypt.
Scientific reports
|March 29, 2024
概括
这项研究介绍了一种高收益,超宽带日志周期双极阵列 (LPDA) 天线,用于毫米波应用. 这种新设计的最大增益为14.97dBi,超过了V频段的先前努力.
科学领域:
- 电磁学和天线设计
- 微波工程 微波工程
- 无线通信系统无线通信系统
背景情况:
- 逻辑周期双极阵列 (LPDA) 天线对于宽带应用至关重要.
- 毫米波 (mmWave) 频率,特别是V频段,对于高速无线通信越来越重要.
- 现有的LPDA设计在毫米波应用中经常面临增益和带宽的限制.
研究的目的:
- 设计和模拟一个超宽带和高收益的LPDA天线.
- 为了提高天线性能,使用圆形导向单元.
- 验证天线适用于V频无线个人区域网络 (WPAN) 应用的适用性.
主要方法:
- 使用微波工作室计算机模拟技术设计和优化天线结构.
- 在RT5880基板上实施,采用四臂LPDA配置.
- 整合循环定向单元以改善增益和带宽.
主要成果:
- 最优化的天线尺寸为39 × 10 × 0.254 mm3.
- 该天线在40至70GHz以上的宽毫米波段中运行.
- 在60 GHz实现了14.97 dBi的最大实现增强,与导体单元相比增强提高了3 dBi.
- 模拟和测试结果显示良好一致,拟议的设计性能优于先前的工作.
结论:
- 开发的LPDA天线在V频应用中在增益和带宽方面提供了卓越的性能.
- 该天线非常适合符合IEEE 802.11ad和IEEE 802.15.3c的无线个人区域网络.
- 导体单元的集成在增强天线的增强特征方面被证明是有效的.
更多相关视频
15:25Design and Characterization Methodology for Efficient Wide Range Tunable MEMS Filters
Published on: February 4, 2018
6.1K
10:35Using Microwave and Macroscopic Samples of Dielectric Solids to Study the Photonic Properties of Disordered Photonic Bandgap Materials
Published on: September 26, 2014
12.3K
相关概念视频
Design Example: Underdamped Parallel RLC Circuit
288
Consider designing an oscillator circuit, a crucial component in various electronic devices and systems. The objective is to create an oscillator circuit with specific characteristics: a damped natural frequency of 4 kHz and a damping factor of 4 radians per second. To accomplish this, a parallel RLC circuit is employed, known for its ability to sustain oscillations at a resonant frequency. In this case, the damping factor is pivotal in achieving the desired performance.
Starting with a fixed...
Starting with a fixed...
288
Transmission Line Design Considerations
133
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...
133
Induced Electric Dipoles
4.2K
A permanent electric dipole orients itself along an external electric field. This rotation can be quantified by defining the potential energy because the external torque does work in rotating it. Then, the potential energy is minimum at the parallel configuration and maximum at the antiparallel configuration. While the former is a stable equilibrium, the latter is an unstable equilibrium.
Since the absolute value of potential energy holds no physical meaning, its zero value can be chosen as per...
Since the absolute value of potential energy holds no physical meaning, its zero value can be chosen as per...
4.2K
Mesh Analysis for AC Circuits
374
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...
374
Design Example
325
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...
325
Energy Stored In A Coaxial Cable
1.5K
A coaxial cable consists of a central copper conductor used for transmitting signals, followed by an insulator shield, a metallic braided mesh that prevents signal interference, and a plastic layer that encases the entire assembly.
In the simplest form, a coaxial cable can be represented by two long hollow concentric cylinders in which the current flows in opposite directions. The magnetic field inside and outside the coaxial cable is determined by using Ampère's law. The magnetic...
In the simplest form, a coaxial cable can be represented by two long hollow concentric cylinders in which the current flows in opposite directions. The magnetic field inside and outside the coaxial cable is determined by using Ampère's law. The magnetic...
1.5K
