Compact wideband microstrip thinned array antenna using EBG superstrate

被引：12
作者：
Chaimool, Sarawuth [1 ]
Rakluea, Chawalit [1 ]
Akkaraekthalin, Prayoot [1 ]
机构：
[1] King Mongkuts Univ Technol, Bangkok, Thailand
来源：
AEU-INTERNATIONAL JOURNAL OF ELECTRONICS AND COMMUNICATIONS | 2012年 / 66卷 / 01期
关键词：
EBG; Superstrate; Compact array; Wideband; Metamaterial; RADIATION BANDWIDTH; RESONATOR ANTENNA; GAIN ENHANCEMENT; PATCH ANTENNAS; DESIGN; LAYER;
D O I：
10.1016/j.aeue.2011.04.015
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A compact wideband microstrip array antenna with EBG superstrate is presented. We compare and summarize the results for the impedance bandwidth and gain characteristics of three different antenna prototypes, namely two conventional 2 x 2 arrays with EBG superstrate and 2 x 2 array of multiple resonator patches with EBG superstrate. The designed antenna has a moderate gain of over 8.5 dBi and a wideband impedance bandwidth of over 20%, which covers the required bandwidth of the WLAN (2.4-2.484 GHz) and WiMAX (2.3-2.5 GHz) systems. The EBG superstrate is also utilized to achieve a thin antenna with a cavity height of lambda(0)/16 at the center frequency of 2.45 GHz. The proposed antenna is low-cost and low-profile, having overall dimension of 0.9 lambda(0) x 0.9 lambda(0) x 0.081 lambda(0) (110 mm x 110 mm x 9.9 mm). Crown Copyright (C) 2011 Published by Elsevier GmbH. All rights reserved.
引用
收藏
页码：49 / 53
页数：5
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