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Abstract
A U-slot located symmetrically at the centre of the patch has been utilized to enhance the patch antenna’s operating bandwidth compared to the standard conventional patch. The operating frequency range of the circumferential patch antenna is from 8.61 to 11.43 GHz, while the axial patch covers the frequency range 8.71 to 11.33 GHz (covering X band). The antenna shows excellent gain with minimal variation in both E and H-planes across the operating frequency range. Moreover, the antenna achieves less than −10 dB sidelobe levels in both E and H-planes across all frequencies and configurations. The co and cross-polarization plots are also depicted to show the excellent polarization purity of the antenna for the planar and cylindrical conformal configurations. The antenna may be suitable for airborne applications where the conformability to the Arial host body is of prime importance.
Acknowledgements
The authors would like to thank the Department of Electronics and Communication, Sant Longowal Institute of Engineering and Technology, and the Department of Electronics and Communication, Delhi Technological University, for providing the lab facility and other technical help in the accomplishment of this research work.
Disclosure statement
No potential conflict of interest was reported by the author(s).
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Notes on contributors
Sandeep Kohar
Sandeep Kohar received the BE degree from the University of Mumbai and MTech from MITS, Gwalior, under RGPV. He is presently working as sub divisional engineer at BSNL. He has completed his PhD in the Department of Electronics and Communication, SLIET, Longowal, India. His research interests include computational electromagnetics, microwave, antennas and propagation. Email: [email protected]
Surinder Singh
Surinder Singh (M’17) was born in Hoshiarpur, Punjab, India, in 1975. He received the BTech degree from Dr B R Ambedkar Regional Engineering College, Jalandhar, in 1997, the MTech degree from Guru Nanak Dev Engineering College, Ludhiana, in 2003, and the PhD degree from Thapar University, Patiala, India, in 2007. Currently, he is working as professor in Sant Longowal Institute of Engineering and Technology since 2013. His field of interest is optical fibre communication and networks, antenna, and optical sensor design. He has around 145 research papers out of which 75 are in SCI international journals with Thomson Reuter impact factor, and 77 are in international and national conferences. He is also handling various research projects and is a reviewer of many international journals and conferences.
Asok De
Asok De received his BE, MTech degrees from Jadavpur University and PhD from IIT, Kharagpur. He is serving as professor at Delhi Technological University with 30 years of teaching experience. He has served as Director at NIT, Patna. He has more than 52 publications in international journals 42 publications in international conferences and has contributed chapters in 02 books. Email: [email protected]