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The design of linear and circular polarization for dual band microstrip slot antenna
Author(s)
Rakluea, Paitoon
Anantrasirichai, Noppin
Benjangkaprasert, Chawalit
Wakabayashi, Toshio
Date Issued
January 1, 2014
Type
Article
Abstract
This paper presents a lightweight antenna for wireless communication systems. The proposed antenna has been designed to be a dual-band and dual-polarized antenna by using a right-angled slot structure fed a by microstrip line. The designed antenna is composed of three right-angled slot radiators on the ground plane. The first two radiators are right-angled slots of similar scale which are added to generate circular polarization at 4.95 GHz, while the last one has been designed for linear polarization at 2.45 GHz. Furthermore, in order to achieve dual-band operation and dual polarization with good matching, a special arrangement is proposed. The results of simulation and measurements such as return loss, axial ratio, and radiation patterns are shown at the resonant frequencies of 2.45 and 4.95 GHz. Details of the experimental results are presented and discussed. In addition, the presented antenna can operate and cover the applications of a wireless local area network (WLAN IEEE 802.11 a/b/g/j/n). © 2014 Institute of Electrical Engineers of Japan.
Citation
Ieej Transactions on Electrical and Electronic Engineering, 9(2), 105-112, 2014