Highly Miniaturized Mircrostrip Antenna with Slots and a Superstrate for RFID Applications

Yiyang Yu, Haoran Zhang, Atif Shamim

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Scopus citations

Abstract

RFID Tags, typically, require ultra-small antennas and at 900 MHz most of the designs end up being meandered line wire antennas. These may not be suitable because such antennas are heavily influenced by the object on which they are placed. An antenna with a ground plane, such as a microstrip antenna, is a more suitable candidate in that scenario, however, typically micrsotrip patch antennas are large in size. In this paper, we introduce a highly miniaturized microstrip antenna with multiple slots and a superstrate with high-permittivity material. The size of the microstrip antenna at 900MHz is reduced by 87.5% as compared to a conventional rectangular microstrip patch antenna at 900MHz. The gain of the miniaturized antenna is 0.36dBi, achieving 40% efficiency, which is decent enough for short to medium range RFID applications.
Original languageEnglish (US)
Title of host publication2019 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting
PublisherIEEE
Pages1541-1542
Number of pages2
ISBN (Print)9781728106922
DOIs
StatePublished - Oct 31 2019

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