一个紧的MIMO天线,具有高增益和双循环偏振,使用T分隔器用于WLAN应用程序
Dat Tran-Huy1, Nguyen Tran-Viet-Duc2, Hung Tran3
1Faculty of Electrical and Electronic Engineering, PHENIKAA University, Hanoi, 12116, Vietnam. dat.tranhuy@phenikaa-uni.edu.vn.
Scientific reports
|July 2, 2025
概括
本研究介绍了一种小型,高增益的循环偏振 (CP) 多输入多输出 (MIMO) 天线,用于无线局域网 (WLAN). 新的设计提供了出色的性能和缩小的尺寸,使其成为现代无线应用的理想选择.
科学领域:
- 电气工程 电气工程
- 电磁学 电磁学 电磁学 电磁学
- 天线理论天线理论
背景情况:
- 无线局域网 (WLAN) 系统需要高效的天线来实现可靠的通信.
- 现有的天线在先进的应用中经常面临尺寸,增益或极化方面的限制.
研究的目的:
- 开发一个紧的,高增益的,循环极化 (CP) 多输入多输出 (MIMO) 天线.
- 通过创新的设计,提高WLAN应用的天线性能.
主要方法:
- 使用两个紧的双CP天线和T连接点功率分隔器的2端口MIMO天线的设计.
- 制造和测量具有2.45 GHz特定尺寸的天线原型.
主要成果:
- 实现了从2.43到2.485 GHz的运行带宽,并具有出色的匹配 (<[公式:参见文本] dB).
- 证明了高隔离 (> 10 dB),低轴比 (< 3 dB) 和显著的增益 (~ 8.0 dBi).
- 展示了良好的MIMO多样性绩效指标.
结论:
- 拟议的CP MIMO天线提供了一个紧的尺寸和高收益,适合WLAN.
- 它在CP辐射和减少元素数量方面优于相关工作,同时保持可比性能.
更多相关视频
06:43Effective Analysis of Human Exposure Conditions with Body-worn Dosimeters in the 2.4 GHz Band
Published on: May 2, 2018
7.1K
10:35Using Microwave and Macroscopic Samples of Dielectric Solids to Study the Photonic Properties of Disordered Photonic Bandgap Materials
Published on: September 26, 2014
12.4K
相关概念视频
Mesh Analysis for AC Circuits
423
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...
423
Design Example: Capacitance Multiplier Circuit
976
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.
976
The Antenna Complex
6.3K
Plants and other photosynthetic organisms comprise pigments capable of absorption of direct sunlight. These pigments are present in the reaction center - the main site of photochemical reactions as well as in the antenna complex. Under average light conditions, the rate at which reaction center pigments absorb light is far below the electron transport chain's capacity. As a result, the reaction center alone cannot provide enough energy to drive photosynthesis. The photosynthetic efficiency can...
6.3K
Clipper Circuit
564
A clipper circuit is a fundamental wave-shaping device that harnesses the unique properties of diodes to alter and control waveform characteristics. This technology is widely used in electronic devices, especially in television and radar communication systems, where it enhances waveform modulation in both transmitters and receivers.
The operation of a clipper circuit can be exemplified by analyzing a dual-clipper configuration setup that integrates two ideal diodes, each paired with a biasing...
The operation of a clipper circuit can be exemplified by analyzing a dual-clipper configuration setup that integrates two ideal diodes, each paired with a biasing...
564
Maximum Power Transfer
427
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...
427
