1. Antennas, RF and Microwave

1. Antenna Arrays, Broadband Antennas, Endfire Antennas, Circularly Polarized Antennas, Compact Antennas, Active & passive RF transceiver components

Teaching

1. 8 months

Research

1. 6 months

Industry

1. 1 year 6 months

1. IEEE Member

1. Professor-in-Charge, Cultural Affairs

2. Professor-in-Charge, Institute Newsletter

3. Reviewer: IEEE Antenna and Wireless Propagation Letters, IEEE Access, IET Microwave and Antenna Propagation, IET Microwave and Optical Technology Letters, International Journal of Electronics

1. Digital Circuits

2. Electrical Networks

1. G. Kumar, R. Chopra and H. Kumar, Antennas - Concept and Design, 2018. E-book available at https://anmlabiitb.github.io/acd/

1. R. Chopra and G. Kumar, “Uniplanar Microstrip Antenna for Endfire Radiation,” IEEE Transactions on Antennas and Propagation, vol. 67, no. 5, pp. 3422-3426, May 2019. doi: 10.1109/TAP.2019.2900334

2. R. Chopra and G. Kumar, “Series-Fed Binomial Microstrip Arrays for Extremely Low Sidelobe Level”, IEEE Transactions on Antennas and Propagation, vol. 67, no. 6, pp. 4275-4279, June 2019. doi: 10.1109/TAP.2019.2908108.

3. R. Chopra and G. Kumar, “Series and Corner Fed Planar Microstrip Antenna Arrays,” IEEE Transactions on Antennas and Propagation, vol. 67, no. 9, pp. 5982-5990, Sept. 2019. doi: 10.1109/TAP.2019.2922774.

4. R. Chopra and G. Kumar, “Broadband and High Gain Multilayer Multiresonator Elliptical Microstrip Antenna” IET Microw. Antenna Propag., vol. 14., no. 8, pp. 821-829, 2020. doi: 1049/iet-map.2019.0186

5. R. Chopra and G. Kumar, “Compact, Broadband and High Gain Endfire Antenna” Microw. Optical Technol. Lett, vol. 62, no. 7, pp. 2546-2553, 2020. doi: 10.1002/mop.32336

6. R. Chopra and G. Kumar, “High gain Broadband Stacked Triangular Microstrip Antennas” Microw. Optical Technol. Lett, vol. 62, no. 9, pp. 2881-2888, 2020. doi: 10.1002/mop.32372

7. S. P. Wadkar, B. G. Hogade, R. Chopra, G. Kumar, “Broadband and high gain stacked microstrip antenna array” Microw. Optical Technol. Lett. vol. 61, no. 7, pp. 1882-1888, Feb. 2019. doi: 10.1002/mop.31813

1. R. Chopra and G. Kumar, “High Gain Compact Circularly Polarized MSA”, in Proc. 2nd Indian Conference on Antennas & Propagation (InCAP2019), Dec. 2019, Ahmedabad, India, 2019.

2. R. Chopra and G. Kumar, “Compact Uniplanar Microstrip Antenna for Endfire Radiation”, in Proc. 2nd Indian Conference on Antennas & Propagation (InCAP2019), Dec. 2019, Ahmedabad, India, 2019.

3. R. Chopra and G. Kumar, “Compact dumbbell shaped microstrip antenna with suppressed harmonics,” in Proc. Progress in Electromagnetics Research Symposium - Fall (PIERS - FALL), Singapore, 2017, pp. 2838-2843.

4. R. Chopra, R. Lakhmani, and G. Kumar, “Corner Fed Microstrip Antenna Array with Reduced Cross Polarization and Side Lobe Level,” in Proc. Asia Pacific Microwave Conf. (APMC), Delhi, India, Dec. 2016, pp.1-4.

5. R. Chopra and R. Lakhmani, “Design and comparative evaluation of antenna array performance using non blind LMS beamforming algorithms,” in Proc. Prog. Electromag. Res. Symp - Fall (PIERS - FALL), Singapore, 2017, pp. 1827-1834.

6. K. K. Bindu, R. Chopra and G. Kumar, “Low Cost broadband stacked circular microstrip antenna,” in Proc. IEEE International Conference on Antenna Innovations & Modern Technologies for Ground, Aircraft and Satellite Applications (iAIM), Bangalore, 2017, pp. 1-5.

7. S. P. Wadkar, R. Chopra, G. Kumar, B. G. Hogade, “Broadband and High Gain Stacked Antennas For Wireless Communication Systems,” in Proc. Indian Antenna Week , June 2017, Pune, India, 2017.

8. R. Kumar, S. Sharma, A. Maida, R. Chopra, V. B. Narayane, G. Kumar, “High Gain Improved Side Lobe Level Series Fed Linear Microstrip Array with Circular Patches” in Proc. International Conference on Range Technology (ICORT 2019), Chandipur, India, Feb., 2019.

1. R. Chopra and G. Kumar, "Uniplanar microstrip antenna for end-fire radiation pattern and method for fabricating thereof." Indian patent application number 201821023395 (File No. E-1/24779/2018-MUM), filed on 22 June 2018.