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Sensors 2016, 16(7), 983; doi:10.3390/s16070983

Design of Miniaturized Dual-Band Microstrip Antenna for WLAN Application

1
School of Electronic Information Engineering, Tianjin University, 92 Weijin Road, Tianjin 300072, China
2
Institute of Advanced Technology, Chinese Academy of Sciences, 1068 Xueyuan Avenue, Shenzhen University Town, Shenzhen 518055, China
3
Department of Engineering Jacksonville University 2800 University Blvd N, Jacksonville, FL 32211, USA
*
Author to whom correspondence should be addressed.
Academic Editors: Dongkyun Kim, Houbing Song, Juan-Carlos Cano, Wei Wang, Waleed Ejaz and Qinghe Du
Received: 9 April 2016 / Revised: 14 June 2016 / Accepted: 22 June 2016 / Published: 27 June 2016

Abstract

Wireless local area network (WLAN) is a technology that combines computer network with wireless communication technology. The 2.4 GHz and 5 GHz frequency bands in the Industrial Scientific Medical (ISM) band can be used in the WLAN environment. Because of the development of wireless communication technology and the use of the frequency bands without the need for authorization, the application of WLAN is becoming more and more extensive. As the key part of the WLAN system, the antenna must also be adapted to the development of WLAN communication technology. This paper designs two new dual-frequency microstrip antennas with the use of electromagnetic simulation software—High Frequency Structure Simulator (HFSS). The two antennas adopt ordinary FR4 material as a dielectric substrate, with the advantages of low cost and small size. The first antenna adopts microstrip line feeding, and the antenna radiation patch is composed of a folded T-shaped radiating dipole which reduces the antenna size, and two symmetrical rectangular patches located on both sides of the T-shaped radiating patch. The second antenna is a microstrip patch antenna fed by coaxial line, and the size of the antenna is diminished by opening a stepped groove on the two edges of the patch and a folded slot inside the patch. Simulation experiments prove that the two designed antennas have a higher gain and a favourable transmission characteristic in the working frequency range, which is in accordance with the requirements of WLAN communication. View Full-Text
Keywords: WLAN; microstrip antenna; dual-frequency; HFSS WLAN; microstrip antenna; dual-frequency; HFSS
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Yang, J.; Wang, H.; Lv, Z.; Wang, H. Design of Miniaturized Dual-Band Microstrip Antenna for WLAN Application. Sensors 2016, 16, 983.

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