A Dual Wide-Band Slotted Rectangular Patch Antenna for 2.4/5 GHz WLAN Applications

A Dual Wide-Band Slotted Rectangular Patch Antenna for 2.4/5 GHz WLAN Applications
Authors : Mr. Vijay Kumar Srivastava, Ms. Garima Saini
Publication Date: 04-07-2016


Author(s):  Mr. Vijay Kumar Srivastava, Ms. Garima Saini

Published in:   International Journal of Engineering Research & Technology

License:  This work is licensed under a Creative Commons Attribution 4.0 International License.

Website: www.ijert.org

Volume/Issue:   Volume. 5 - Issue. 07 , July - 2016

e-ISSN:   2278-0181

 DOI:  http://dx.doi.org/10.17577/IJERTV5IS070068


This paper presents a dual band slotted rectangular patch antenna with partial ground for 2.4/5 GHz wireless local area network (WLAN) application. The antenna operates at 2.4 GHz and 5.2 GHz frequency which are reserved for IEEE802.11b/g and IEEE802.11a WLAN standard. The substrate used for antenna design is FR4 substrate with relative permittivity of 4.4 and loss tangent of 0.02, which is a inexpensive and widely used printed circuit board (PCB).The overall dimension of antenna is 50×50×1.6 mm3, where 1.6 mm is the thickness of FR4 substrate. Dimension of the patch, rectangular slot and ground plane are 34mm×20mm, 32.5mm×10mm and 50mm×8mm respectively. The slotted patch is directly edge-fed by 50-Ω microstrip line. The effective omni-directional / directional radiation pattern and impedance bandwidth, return-loss, VSWR, and gain have been investigated using computer simulation on HFSS. Using this antenna, impedance bandwidths (/S11/< -10dB) of 9.05% and 18.12 % were achieved at operating frequencies 2.4 GHz and 5.2 GHz, with gains of 3.01 dBi and 6.36 dBi, respectively. The 10-dB impedance bandwidth (2.23-2.44 and 4.99-6.0 GHz) completely meets the WLAN application requirements.


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