Design of Circularly Polarized Unidirectional Antenna using Probe-Excited Circular Ring Antenna above the Square Reflector  with Inserted Metallic Slabs

Kittima Lertsakwimarn; Kittima LERTSAKWIMARN; Rungsinee  SUKKAMAT; Nattaset  MHUDTONGON; Sompol  KOSULVIT; Prayoot AKKARAEKTHALIN

Summary

2016 International Symposium on Antennas and Propagation

2016

Session Number:4A2

Session:

Number:4A2-1

Design of Circularly Polarized Unidirectional Antenna using Probe-Excited Circular Ring Antenna above the Square Reflector with Inserted Metallic Slabs

Kittima Lertsakwimarn, Kittima LERTSAKWIMARN, Rungsinee SUKKAMAT, Nattaset MHUDTONGON, Sompol KOSULVIT, Prayoot AKKARAEKTHALIN,

pp.962-963

Publication Date:2016/10/24

Online ISSN:2188-5079

DOI:10.34385/proc.38.4A2-1

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Summary:

This paper proposes a circularly polarized unidirectional antenna using a probe excited circular ring with inserted perpendicular slabs above the square reflector for UHF-RFID system. The measured |S11| <=-10 dB covers 884 - 1000 MHz or 12.31% bandwidth,