Ravi Kumar Gangwar (Senior Member, IEEE) received a Ph.D. degree in Electronics Engineering from the Indian Institute of Technology (Banaras Hindu University), Varanasi, India, in 2011. He is currently a Professor & Head of the Department of Electronics Engineering at the Indian Institute of Technology (Indian School of Mines) in Dhanbad, India. He has authored or co-authored over 122 research papers in reputed international journals and 95 papers in conference proceedings. His research interests include Dielectric Resonator Antenna, MIMO Antennas, Microstrip Antenna, and Bio-Electromagnetics. He has guided 10 Ph.D. students and 21 M.Tech. Students. Currently, 10 Ph.D. and 02 M.Tech. Students are working under his supervision. He has completed/is currently ongoing 10 R&D projects (≈4 crore rupees) related to Dielectric Resonator Antenna and their applications from various funding agencies like DRDO, SERB-DST, ISRO, etc. He is a recipient of the INSA Visiting Scientist Fellowship, IETE Smt—Ranjana Pal Memorial Award - 2020, Z. H. Sholapurwala Award – 2023, and IE(I)JSC Engineers of the year award-2024. He is a Senior Member of the Antenna and Propagation Society, Institute of Electrical and Electronics Engineers (IEEE), USA, a Member Institution of Engineering and Technology (IET) in the UK, a Life Member of the Institution of Engineers (IE) India, and Fellow of Institution of Electronics and Telecommunication Engineers (IETE), India. He is an Associate Editor of IEEE Access, IET Circuit Device and System, International Journal of RF and Microwave Computer-Aided Engineering, and the International Journal of Antenna and Propagation journals. He is also an external expert on the peer review committee for projects related to the chaff application of Defense Laboratory Jodhpur, DRDO. He is a reviewer of reputed journals, including IEEE TAP, IEEE AWPL, IEEE APM, IEEE TVT, IEEE Communication, IEEE Communication Letter, IET MAP, IET Electronics Letters, MOTL, RFCAD, Scientific Report, etc.
Recent Publications
Poonam Kumari, Ravi Kumar Gangwar and R K Chaudhary, “An Aperture Coupled Stepped Dielectric Resonator UWB MIMO Antenna with AMC" IEEE Antennas and Wireless Propagation Letters , Volume 21, Issue 10, pp. 2040-2044, October 2022.
Anand Sharma, Gourab Das, Surbhi Gupta and Ravi Kumar Gangwar, “Quad Band Quad Sense Circularly Polarized Dielectric Resonator Antenna for GPS/CNSS/WLAN/WiMAX Applications”, IEEE Antennas & Wirless Propagation Letters, DOI: 10.1109/LAWP.2020.2969743
Feeding Structure
Proposed Antenna
Gourab Das, Nikesh Kumar Sahu, Anand Sharma, Ravi Kumar Gangwar, Mohammad S. Sharawi., “ FSS based spatially decoupled back to back four port MIMO DRA with Multidirectional Pattern Diversity”, IEEE Antennas & Wireless Propagation Letter, Vol. 18, pp. 1552-1555, 2019.
Nikesh Kumar Sahu, Gourab Das, Ravi Kumar Gangwar and K Rambabu, “An Arrangement for four-element MIMO DRA with Complementary CP Diversity”, IEEE Antennas and Wireless Propagation Letter, Vol. 20, Issue 09, pp. 1616-1620, September 2021.
Gourab Das, Anand Sharma, Ravi Kumar Gangwar, Mohammad S. Sharawi., “Performance Improvement of Multi-Band MIMO Dielectric Resonator Antenna System with a Partially Reflecting Surface”, IEEE Antennas & Wireless Propagation Letter, 2019. Vol. 18, pp. 2105-2109, 2019.
Sahu N.K. and Gangwar R.K. (2021), “Dual-Port Compact MIMO-DRAs: Exploiting Metallic Sheets to Increase Inter-Port Isolation at 28 GHz 5G-Band,” IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 69, no. 12, pp. 4814-4818, Dec. 2022.