A Reconfigurable Antenna With Frequency and Polarization Agility

被引：107
作者：
Qin, Pei-Yuan [1 ,2 ,3 ]
Guo, Y. Jay [3 ]
Cai, Yong [3 ]
Dutkiewicz, Eryk [2 ]
Liang, Chang-Hong [1 ]
机构：
[1] Xidian Univ, Sci & Technol Antenna & Microwave Lab, Xian 710071, Peoples R China
[2] Macquarie Univ, Dept Elect Engn, N Ryde, NSW 2109, Australia
[3] CSIRO ICT Ctr, Epping, NSW 1710, Australia
来源：
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2011年 / 10卷
关键词：
Microstrip patch antennas; reconfigurable antennas; MICROSTRIP-PATCH ANTENNA; SLOT ANTENNA; PATTERN; DIVERSITY; SINGLE;
D O I：
10.1109/LAWP.2011.2178226
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 new antenna with both frequency and polarization reconfigurability is presented. The antenna consists of a square microstrip patch with a single probe feed located along the diagonal line. The center of each edge of the patch is connected to a shorting post via a p-i-n diode for polarization switching and two varactor diodes for frequency tuning. By switching between the different states of the p-i-n diodes, the proposed antenna can produce radiation patterns with horizontal, vertical, or 45 degrees linear polarization. By varying the dc bias voltage, the operating frequency of each polarization of the antenna can be independently tuned. The frequency tuning range is from 1.35 to 2.25 GHz (vertical bar S(11)vertical bar < -10 dB) for either horizontal or vertical polarization and from 1.35 to 1.9 GHz for the 45 linear polarization. Measured results on frequency tuning ranges and radiation patterns agree well with numerical simulations.
引用
收藏
页码：1373 / 1376
页数：4
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