Bandwidth enhancement of monopole antenna with DGS for SHF and reconfigurable structure for WiMAX, WLAN and C-band applications

被引：9
|
作者：
Beigi, P. [1 ]
Mohammadi, P. [2 ]
机构：
[1] Islamic Azad Univ, Urmia Branch, Young Researchers & Elite Club, Orumiyeh, Iran
[2] Islamic Azad Univ, Urmia Branch, Dept Elect Engn, Orumiyeh, Iran
来源：
JOURNAL OF INSTRUMENTATION | 2017年 / 12卷
关键词：
Antennas; Microwave Antennas; PARASITIC ELEMENT; UWB ANTENNA; SHAPED SLOT; COMPACT; DESIGN; PATCH;
D O I：
10.1088/1748-0221/12/11/T11001
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
In this study a reconfigurable antenna for WiMAX, WLAN, C-bands and SHF applications has been presented. The main body of antenna includes rectangular and L-shaped slotted ground plane and a rectangular patch with slotted feed line, for impedance bandwidth enhancement. In the proposed antenna, a PIN diode is used to adjust the frequency band to SHF, WiMAX, WLAN and C-bands applications. When PIN diode is forward-biased, the antenna covers the 3.5-31 GHz frequency range (i.e. a 160% bandwidth) and when the PIN diode is in its off-state, it operates between 3.4-5.8 GHz. The designed antenna, with a very small size of 12 x 18 x 1.6 mm(3), has been fabricated and tested. The radiation pattern is approximately omnidirectional. Simulations and experimental results are in a good agreement with each other and suggest good performance for the presented antenna.
引用
收藏
页数：11
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