Abstract
In this paper, the design of concentric circular ring slot patch antenna with defected ground structure (DGS) is presented. The rectangular patch antenna is slotted with two concentric circular rings on radiating patch. The two diamond shaped patch is added to the microstrip-feed-line. The DGS is considered for obtain dual bands at 6.6 and 9.4 GHz with return loss − 14.7 and − 20.9 dB to operate for satellite communication and radar applications. The VSWR is less than 2 and axial ration is less than 3 dB for these two bands are obtained of proposed antenna. The surface current distribution is presented for analyzing the effect of the slots. It is observed that the simulation and measured values are having good agreement.
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Acknowledgements
This work was supported by the Science and Engineering Research Board (SERB), Department of Science and Technology (DST), New Delhi, India. (Grant no1: SB/FTP/ETA-0179/2014, Grant no2: EEQ/2016/000754.)
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Kumar Naik, K., Amala Vijaya Sri, P. Design of Concentric Circular Ring Patch with DGS for Dual-Band at Satellite Communication and Radar Applications. Wireless Pers Commun 98, 2993–3001 (2018). https://doi.org/10.1007/s11277-017-5012-7
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DOI: https://doi.org/10.1007/s11277-017-5012-7