CPW-Fed Penta Band Monopole Antenna for Multiservice Wireless Applications

Q3 Engineering

Advances in Technology Innovation Pub Date : 2021-11-09 DOI:10.46604/aiti.2021.8434

Raj Kumar, Yedukondalu Kamatham, Samineni Peddakrishna, Ajit Gaddam

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引用次数: 4

Abstract

A compact triple T-shaped stub with meander loaded strip antenna for penta band applications is proposed. The rectangular patch antenna with meandered and open-ended slot cuts is utilized to realize four operating bands at 2.45 GHz, 3.1 GHz, 5.3 GHz, and 6.5 GHz with an impedance bandwidth of 400 MHz (2.15-2.550 GHz), 1000 MHz (2.7-3.7 GHz), 200 MHz (5.4-5.6 GHz), and 200 MHz (6.4-6.6 GHz), respectively. For an additional resonance frequency, the length of the central T-shaped stub is slightly modified which causes the variation in the current distribution. As a result, the resonance frequency of 5.5 GHz is divided into two resonance frequency bands which are operating at 5.25 GHz and 5.85 GHz with an impedance bandwidth of 100 MHz (5.25-5.35 GHz) and 200 MHz (5.75-5.95 GHz), respectively. Furthermore, a parametric reflection coefficient and surface current distribution analysis is carried out to understand the strip and slot behavior at resonance frequency bands. Finally, a prototype is fabricated and its reflection coefficient, gain, and radiation pattern are measured. The experimental result shows that the proposed antenna is reliable for penta band applications.

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多业务无线应用的cpw馈电五波段单极天线

提出了一种适用于五波段应用的紧凑型三t形弯曲加载带天线。矩形贴片天线采用弯曲和开放式槽口，实现2.45 GHz、3.1 GHz、5.3 GHz和6.5 GHz四个工作频段，阻抗带宽分别为400 MHz (2.15-2.550 GHz)、1000 MHz (2.7-3.7 GHz)、200 MHz (5.4-5.6 GHz)和200 MHz (6.4-6.6 GHz)。对于一个额外的谐振频率，中心t形短段的长度被稍微修改，这导致电流分布的变化。因此，5.5 GHz的共振频率被划分为5.25 GHz和5.85 GHz两个共振频段，阻抗带宽分别为100mhz (5.25-5.35 GHz)和200mhz (5.75-5.95 GHz)。此外，还进行了参数反射系数和表面电流分布分析，以了解共振频段的条形和槽形行为。最后，制作了一个原型，测量了其反射系数、增益和辐射方向图。实验结果表明，该天线在五波段应用中是可靠的。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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