Circularly polarized slotted-ground microstrip antennas for radiofrequency identification readers

被引：13
|
作者：
Randy, Oktavinus Tanawie [2 ]
Nasimuddin [1 ]
Alphones, Arokiaswami [2 ]
机构：
[1] Inst Infocomm Res, Singapore, Singapore
[2] Nanyang Technol Univ, Singapore, Singapore
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2012年 / 54卷 / 10期
关键词：
circularly polarized; microstrip antenna; radiofrequency identification readers; slotted-ground; DESIGN;
D O I：
10.1002/mop.27075
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：
The single-feed, circularly polarized microstrip antennas (CPMAs) based on the slotted-ground plane are investigated for radiofrequency identification readers.The conventional CPMA with truncated corners is also studied to compare with the proposed CPMA's performances. In the proposed designs, four square slots with asymmetrical configuration are etched in the diagonal directions on the ground plane of the antenna to achieve circularly polarized radiation. The proposed CPMAs are designed with low-cost FR4 substrate and RO4003C substrate and their performances are compared. The antenna bandwidth is also studied on thin and thick dielectric substrates. (c) 2012 Wiley Periodicals, Inc. Microwave Opt Technol Lett 54:23042309, 2012; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.27075
引用
收藏
页码：2304 / 2309
页数：6
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