Compact Dual-Band Suspended Microstrip Slot Antenna with an Antipodal Parasitic Element for WLAN Applications

被引:5
|
作者
Afrough, Mehrdad [1 ]
Fakharian, Mohammad M. [2 ]
Tavakol-Hamedani, Farzad [1 ]
机构
[1] Semnan Univ, Dept Elect & Comp Engn, Semnan, Iran
[2] Islamic Azad Univ, Semnan Branch, Dept Elect & Comp Engn, Semnan, Iran
关键词
Slot antenna; Dual-band; Parasitic element; Wireless local area network (WLAN); CPW;
D O I
10.1007/s11277-015-2409-z
中图分类号
TN [电子技术、通信技术];
学科分类号
0809 ;
摘要
In this paper, a dual-band microstrip slot antenna over a suspended substrate with an antipodal parasitic element is proposed for wireless local area network systems operating at 2.4, 5.2, and 5.8 GHz. The antenna is composed of multi layers of flame retardant-4 (FR4) and air/foam substrates. The foam/air substrate is included a coaxial single-feed pin and the FR4 substrate is comprised of a modified T-shaped patch and an antipodal modified U-shaped parasitic element with a modified slot around it. The slot antenna configuration improves the compactness, the impedance bandwidth, and the radiation pattern. The realized antenna is proportionately small in size (17 x 20 mm(2)) and experimental result shows that the antenna covers 2.39-2.5 and 5.1-6.05 GHz with the 10-dB return loss bandwidth. Furthermore, the antenna has good radiation patterns in both x-z and y-z planes over the desired frequency ranges.
引用
收藏
页码:571 / 579
页数:9
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