Bandwidth Enhancement of Microstrip Patch Antenna for 5.8GHz by Optimized Feed Offset

被引：0
|
作者：
John, Merbin [1 ]
Ayyappan, M. [1 ]
Manoj, B. [2 ]
Rodrigues, Stephen [3 ]
机构：
[1] Coll Engn Munnar, Elect & Commun Engn Dept, Munnar, Kerala, India
[2] Coll Engn Munnar, Munnar, Kerala, India
[3] Cochin Univ Sci & Technol, Kochi, Kerala, India
来源：
2016 INTERNATIONAL CONFERENCE ON COMMUNICATION AND SIGNAL PROCESSING (ICCSP), VOL. 1 | 2016年
关键词：
Feed offset; Inset Feeding; ISM Band; Microstrip Patch Antenna; Return loss; RT-Duroid substrate;
D O I：
暂无
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：
Patch antennas always find a better match in embedded applications because of their ease of fabrication, small size etc. With embedded systems becoming mobile, narrow bandwidth of patch antennas are a major bottle neck in their usage in mobile embedded applications. Here we propose a method for improving the bandwidth of the patch antenna by optimizing the feed offset position. In this paper a rectangular microstrip patch antenna operating at 5.8GHz with bandwidth enhanced by 54 percent from 260 MHz to 400 MHz by optimizing the feed position, but with a slight trade-off in gain is reported. While the return loss remains almost same at -17.5 dB and -17 dB respectively, gain and directivity are slightly reduced from 7.18dB and 7.23dB to 5.17 dB and 5.24 dB. The antenna is fabricated using RT-Duroid substrate that has low dielectric constant and loss tangent.
引用
收藏
页码：2186 / 2189
页数：4
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