Frequency Reconfigurable Patch Antenna for 4G LTE Applications

IF 0.7 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC Progress in Electromagnetics Research M Pub Date : 2018-05-23 DOI:10.2528/PIERM18022101

H. Chattha, M. Hanif, Xiaodong Yang, Q. Abbasi, I. Rana

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引用次数: 22

Abstract

A compact printed multi-band frequency reconfigurable patch antenna for 4G LTE applications is presented in this paper (50 x 60 x 1.6 mm3). The antenna consists of W-shaped and Inverted-U shaped patch lines connected in a Tree-shape on the front side of the antenna. The back-side of the antenna contains a 90°-tilted T-shaped strip connected with an Inverted-L shaped strip which is shorted with a patch on the front side for increasing the electrical length to cover lower frequency bands. Frequency reconfigurability is achieved by inserting three switches i.e., PIN diodes. The most critical part of this work is the designing of RLC-based DC line circuits for providing the DC biasing to the PIN diodes used as switches and inserting them at optimum locations. This antenna is reconfigurable among eight different 4G LTE frequency bands including 0.9 GHz, 1.4 GHz, 1.5 GHz, 1.6 GHz, 1.7 GHz, 1.8 GHz, 2.6 GHz, 3.5 GHz and WLAN band 2.5 GHz. The antenna exhibits different radiation patterns having a different direction of peak gain at different frequencies and for different switching combinations. The antenna is simulated with CST, and a prototype is fabricated to compare the measured and simulated results with good accuracy.

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用于4G LTE应用的频率可重构贴片天线

本文提出了一种适用于4G LTE应用的紧凑型印刷多频带频率可重构贴片天线（50 x 60 x 1.6 mm3）。天线由W形和倒U形接线组成，接线以树形连接在天线的前侧。天线的背面包含一个90°倾斜的T形带，该T形带与一个倒L形带相连，该倒L形条与正面的贴片短路，以增加电气长度以覆盖较低的频带。通过插入三个开关（即PIN二极管）实现频率可重新配置。这项工作最关键的部分是设计基于RLC的直流线路电路，用于向用作开关的PIN二极管提供直流偏置，并将其插入最佳位置。该天线可在八个不同的4G LTE频带中重新配置，包括0.9 GHz、1.4 GHz、1.5 GHz、1.6 GHz、1.7 GHz、1.8 GHz、2.6 GHz、3.5 GHz和WLAN频带2.5 GHz。天线在不同的频率和不同的开关组合下表现出具有不同峰值增益方向的不同辐射方向图。利用CST对天线进行了仿真，并制作了样机，对测量结果和仿真结果进行了精度比较。

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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来源期刊

Progress in Electromagnetics Research M Materials Science-Electronic, Optical and Magnetic Materials

CiteScore

2.50

自引率

10.00%

发文量

114

期刊介绍： Progress In Electromagnetics Research (PIER) M publishes peer-reviewed original and comprehensive articles on all aspects of electromagnetic theory and applications. Especially, PIER M publishes papers on method of electromagnetics, and other topics on electromagnetic theory. It is an open access, on-line journal in 2008, and freely accessible to all readers via the Internet. Manuscripts submitted to PIER M must not have been submitted simultaneously to other journals.