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Analysis of L-probe Proximity Fed Annular Ring Patch Antenna for Wireless Applications

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Abstract

In the present paper, annular ring patch antenna with L-probe feeding has been analyzed using modal expansion cavity model. The proposed antenna shows wide band and ultra wide band operation which depends on the position of L-probe feeding and position of the shorting pin. For the fundamental \(\hbox {TM}_{11}\) mode, the bandwidth and gain is found to be 38.85 % and 7.8 dBi while for higher order \(\hbox {TM}_{12}\) mode bandwidth is obtained 58.71 % with corresponding gain of 6.1 dBi. The effect of shorting pin on the proposed antenna is also studied and it is found that the radiating structure is more compact in nature and improves the bandwidth upto 47.37 % with 8.0 dBi gain. Further, the proposed antenna has broadside radiation pattern over the entire bandwidth. The theoretical results are compared with IE3D simulated results which are in good agreement.

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Authors and Affiliations

  1. Department of Electronics and Communication, University of Allahabad, Allahabad , 211002, India

    Km. Kamakshi, J. A. Ansari, Ashish Singh & Mohammad Aneesh

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  1. Km. Kamakshi
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  2. J. A. Ansari
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  3. Ashish Singh
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  4. Mohammad Aneesh
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Correspondence to Km. Kamakshi.

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Kamakshi, K., Ansari, J.A., Singh, A. et al. Analysis of L-probe Proximity Fed Annular Ring Patch Antenna for Wireless Applications. Wireless Pers Commun 77, 1449–1464 (2014). https://doi.org/10.1007/s11277-013-1590-1

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