Circularly Polarized Arrowhead-Shape Slotted Microstrip Antenna

被引：43
|
作者：
Gautam, Anil Kr [1 ]
Kunwar, Alaknanda [1 ]
Kanaujia, Binod Kr [2 ]
机构：
[1] GB Pant Engn Coll, Dept Elect & Commun Engn, Pauri Garhwal 246194, India
[2] Ambedkar Inst Adv Commun Technol & Res, Dept Elect & Commun Engn, Delhi 110031, India
来源：
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2014年 / 13卷
关键词：
Arrowhead-shaped slot; circular polarization; microstrip antenna;
D O I：
10.1109/LAWP.2014.2309719
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 novel single-feed arrowhead-shape slotted microstrip antenna for circular polarization (CP) is proposed. To achieve CP radiation and antenna size reduction, an arrowhead- shaped slot is embedded in the first quadrant along the diagonal axes of a square patch. Thus, the structure is asymmetric, and good-quality CP performance can be achieved by adjusting the size of the slot. The antenna is simulated and practically fabricated. Measured results confirm the validity of this design and show a good agreement with simulated results. The antenna generates CP radiation at 911 MHz with an overall size of 87 x 87 x 4.572 mm(3). The fabricated antenna shows an impedance bandwidth of 35.0 MHz (888.0-923.0 MHz) with 8.0MHz (908.0-916.0MHz) 3-dB axial-ratio bandwidth (ARBW).
引用
收藏
页码：471 / 474
页数：4
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