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Analysis and Design of Compact High Gain Microstrip Patch Antenna with Defected Ground Structure for Wireless Applications

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Abstract

Dual band Microstrip-Line-Fed low profile Microstrip Patch Antenna is proposed for wireless applications. A rotated rectangular shaped defect is embedded in the ground plane and fed with a 50-Ω open ended Microstrip-Line. Dual band is achieved at 2.55 and 7.55 GHz. Antenna shows good radiation characteristics with peak gain of 8.1 dBi. Proposed antenna may be used for WiMAX applications with omnidirectional radiation pattern. Theoretical analysis is done for the proposed antenna by equivalent circuit model approach. Further, corners of the rectangular defect are truncated and a defected square ring is inserted inside the truncated-corners-rectangular-defect on the ground plane. 40 % of miniaturization is achieved and antenna starts to respond at 1.55 GHz with better radiation characteristics in both planes. Measured results of fabricated antennas are in good match with theoretical and simulated results.

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Authors and Affiliations

  1. Department of Electronics Engineering, I.S.M, Dhanbad, 826004, India

    Mukesh Kumar Khandelwal & Santanu Dwari

  2. Department of Electronics and Communication Engineering, Ambedkar Institute of Advanced Communication Technologies and Research, Delhi, 110031, India

    Binod Kumar Kanaujia & Sachin Kumar

  3. Department of Electronics and Communication Engineering, G. B. Pant Engineering College, Pauri Garhwal, Uttarakhand, 246194, India

    Anil Kumar Gautam

Authors
  1. Binod Kumar Kanaujia
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  2. Mukesh Kumar Khandelwal
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  3. Santanu Dwari
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  4. Sachin Kumar
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  5. Anil Kumar Gautam
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Correspondence to Binod Kumar Kanaujia.

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Kanaujia, B.K., Khandelwal, M.K., Dwari, S. et al. Analysis and Design of Compact High Gain Microstrip Patch Antenna with Defected Ground Structure for Wireless Applications. Wireless Pers Commun 91, 661–678 (2016). https://doi.org/10.1007/s11277-016-3486-3

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  • DOI: https://doi.org/10.1007/s11277-016-3486-3

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