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General Information
    • ISSN: 2010-3751
    • Frequency: Bimonthly (2012-2016); Quarterly (Since 2017)
    • DOI: 10.18178/IJFCC
    • Editor-in-Chief: Prof. Mohamed Othman
    • Executive Editor: Ms. Nancy Y. Liu
    • Abstracting/ Indexing: Google Scholar, Engineering & Technology Digital Library, and Crossref, DOAJ, Electronic Journals LibraryEI (INSPEC, IET).
    • E-mail:  ijfcc@ejournal.net 
Editor-in-chief
Prof. Mohamed Othman
Department of Communication Technology and Network Universiti Putra Malaysia, Malaysia
It is my honor to be the editor-in-chief of IJFCC. The journal publishes good papers in the field of future computer and communication. Hopefully, IJFCC will become a recognized journal among the readers in the filed of future computer and communication.
IJFCC 2014Vol.3(4): 258-261 ISSN: 2010-3751
DOI: 10.7763/IJFCC.2014.V3.307

Frequency Agile Triple Band Microstrip Antenna for WLAN/WiMAX Application

Sudarshan Joshi, A. K. Gautam, and Rajesh Upadhyay
Abstract—A frequency agile triple band microstrip antenna using defected ground structure for WLAN/WiMAX application is presented, in which frequency agility is electronically achieved by changing the bias voltage of varactor diode. A defected ground structure rectangular patch with dual inverted L-shaped fed with a cross shaped strip line is used to achieve multiple bands. Simulated results are validated by the experimental results and show a good agreement between simulated and experimental results. The proposed antenna has small size and operates 2-2.15 GHz, 2.75-3.5204 and 5.4-5.9 GHz. The lower and upper band remains almost constant while resonance frequency of the middle band is changing with the bias voltage of varactor diode and frequency agility of 768.4 MHz is achieved. Thus the proposed antenna is suitable to be used for WLAN and WiMAX applications.

Index Terms—Multiband antenna, defected ground structure, frequency agile microstrip antenna, triple band, wimax, wlan.

Sudarshan Joshi is with the Amrapali Institute of technology and Sciences, Haldwani, India (e-mail: sudarshanjoshi2007@yahoo.com).
A. K. Gautam, was with Electronics and Communication Department, Govind Ballabh Pant Engineering College, Pauri, India (e-mail: gautam1575@yahoo.co.in).
Rajesh Upadhyay is with the Government Polytechnic, SIDCUL, Haridwar, India .

[PDF]

Cite:Sudarshan Joshi, A. K. Gautam, and Rajesh Upadhyay, "Frequency Agile Triple Band Microstrip Antenna for WLAN/WiMAX Application," International Journal of Future Computer and Communication vol. 3, no. 4, pp. 258-261, 2014.

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