Dual-Band Semi-Hexagonal Slot Antenna Backed by SIW for WLAN/WBAN Applications

被引：0
|
作者：
Madhavi D. [1 ]
Dokuparthi J. [1 ]
机构：
[1] R. V. R. & J. C. College of Engineering, AP, Chowdavaram
来源：
Progress In Electromagnetics Research C | 2022年 / 121卷
关键词：
21;
D O I：
10.2528/pierc22052604
中图分类号：
学科分类号：
摘要：
A hexagonal cavity backed antenna based on HMSIW is proposed to operate at 5.2 GHz and 5.8 GHz frequencies. The TM010 and TM110 modes of the hexagonal cavity resonator have been chosen to excite the structure. Afterwards, an HMSIW hexagonal cavity is formed by splitting conventional hexagonal cavity resonator along a magnetic wall. This enables a 50% reduction in size without affecting the antenna operating frequency. A rectangular slot is etched at the centre of the magnetic wall to curtail TM110 mode operating frequency. The dimensions of the slot are optimized to adapt TM110 resonant frequency to the desired frequency. In free space, the resulting antenna accomplished a peak gain of 5.5 dB and 4.3 dB at centre frequencies of 5.2 GHz and 5.8 GHz, respectively. In the vicinity of pork tissues, the antenna exhibits a peak gain of 4 dB at 5.8 GHz along with an efficiency of 87.2%. © 2022, Electromagnetics Academy. All rights reserved.
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页码：221 / 232
页数：11
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