Conferences
25. Rajkishor Kumar, Sarthak Varshney, Shruti Bhandari, Diksha Singhal, Mahira Khan and, Saanvi Srivastava, "Implementation of Phased Array Antenna based on Multilayer fed with Substrate Integrated Waveguide Technology for Beam Scanning Applications", Accepted for Publication in 27th International Symposium on Wireless Personal Multimedia Communications (WPMC), November 17-20, 2024, Sharda University, Greater Noida (NCR-Delhi), India.
24. Rajkishor Kumar, Ronit Sen, Rohan Kumar, Aryan Mohapatra Tapan Tripathi and Amod Shivappa "Implementation of Beam Steering/ Beam Scanning Based Semi-Flexible Antenna Array System Using the Modified Butler Matrix Topology", Accepted for Publication in Second(2nd) International Conference on Microwave, Antenna and Communication (MAC 2024), October 4-6, 2024, Dehradun, Uttarakhand, India.
23. Rajkishor Kumar, Devabathini Chinmay, Chetan Kumar Verma, Sanapala Srikrishna Kaushik and Rachita Joshi "Optimizing Next-Gen Communications: Combining Passive RISs in Cross Deployment", Accepted for Publication in Second(2nd) International Conference on Microwave, Antenna and Communication (MAC 2024), October 4-6, 2024, Dehradun, Uttarakhand, India.
22. Rajkishor Kumar, Shubham Bhattacharyya, Ridhiman Bhardwaj and Kumar Gaurav "Mini-Batch Gradient Ascent for Enhanced Indoor Localization in IoT Networks with Rayleigh Fading", Accepted for Publication in Second(2nd) International Conference on Microwave, Antenna and Communication (MAC 2024), October 4-6, 2024, Dehradun, Uttarakhand, India.
21. Avinash Chandra, Harish S S, Rajkishor Kumar, Hemprasad Yashwant Patil, Kundan Kumar, "A Squared Shaped Ring Loaded with Improved Radiation 2-Element Waveguide Array for Radar Applications", 3rd IEEE International Conference on Artificial Intelligence For Internet of Things (AIIoT), 03rd to 04th May, 2024, Vellore, Tamil Nadu India. [link to download].
20. Rajkishor Kumar, Avinash Chandra, Vijay Kumar Vytla and Manjunath Reddy Sodam, "A Flexible Microstrip Antenna for Wireless Communication Applications", 2023 International Conference on Next Generation Electronics (NEleX), 14th to 16th December, 2023, Vellore, Tamil Nadu India. [link to download].
19. Rajkishor Kumar, Avinash Chandra, and Divya Chaturvedi, "Wideband Circularly Polarized Rectangular Dielectric Resonator Antenna using Inverted U-shaped Ground Plane for Sub 6 GHz and Upper Mid-Bands 5G Applications", 44th PhotonIcs & Electromagnetics Research Symposium (PIERS), 3rd to 6th July 2023, Prague, Czech Republic. [link to download].
18. Rajkishor Kumar, Arvind Kumar, Avinash Chandra, Naveen Mishra, Kundan Kumar and Raghvendra Kumar Chaudhary, "Dual Triangular-shaped DRA Excited with Asymmetric Slot Coupled for Wideband Circular Polarization Applications", 2022 27th Asia Pacific Conference on Communications (APCC), Oct. 19-21, 2022, Jeju Island, Korea. [link to download].
17. Naveen Mishra, Avinash Chandra, Dilip Kumar Choudhary and Rajkishor Kumar, "CRLH-TL Based Dual-Band Miniaturized Antenna for Microwave Communication", 2022 IEEE Conference on Interdisciplinary Approaches in Technology and Management for Social Innovation (IATMSI), Dec. 21-23 2022, Gwalior, India. [link to download].
16. Rajkishor Kumar, Naveen Mishra, Vasudeva Reddy Ramireddy and Raghvendra Kumar Chaudhary, "A Microstrip Feeding Structure to Generate Wideband Circular Polarization in Dielectric Resonator Antenna", 2018 IEEE 3rd International Conference on Microwave and Photonics (ICMAP), Feb. 09-11, 2018, Indian Institute of Technology (ISM), Dhanbad, India. [link to download].
15. Naveen Mishra, Rajkishor Kumar, Tarun Prakash, and Raghvendra Kumar Chaudhary, "A Compact Dual-Band Open-Ended Metamaterial Antenna for Microwave Frequency Applications", 2018 IEEE 3rd International Conference on Microwave and Photonics (ICMAP), Feb. 09-11, 2018, Indian Institute of Technology (ISM), Dhanbad, India. [link to download].
14. Rajkishor Kumar, Reshma Singh, Dilip Kumar Choudhary, and Raghvendra Kumar Chaudhary, "A Compact CPW-fed Dual-band Open-ended ZOR Antenna Based on CRLH TL for Wireless Applications", 39th Progress In Electromagnetics Research Symposium (PIERS), Nov. 19-22, 2017, Singapore. [link to download].
13. Rajkishor Kumar, Dilip Kumar Choudhary, Reshma Singh and Raghvendra Kumar Chaudhary, "A Wideband Circularly Polarized DRA Excited with Meandered-line Inductor for Wi-MAX/LTE2500 Applications", 39th Progress In Electromagnetics Research Symposium (PIERS), Nov. 19-22, 2017, Singapore. [link to download].
12. Dilip Kumar Choudhary, Naveen Mishra, Rajkishor Kumar and Raghvendra Kumar Chaudhary, "Compact Two Pole Metamaterial Bandpass Filter Using Inverted IDC, Meander Line and Rectangular Stub for WiMAX Application", 39th Progress In Electromagnetics Research Symposium (PIERS), Nov. 19-22, 2017, Singapore. [link to download].
11. Rajkishor Kumar, Chan-Wang Park, and Raghvendra Kumar Chaudhary, "A Wideband Circularly Polarized Cylindrical DRA Loaded with SRR and Excited with a Question Shaped Microstrip Feed Line", 32nd URSI General Assembly and Scientific Symposium (GASS), Aug. 19 26, 2017, Montreal, Canada. [link to download].
10. Dilip Kumar Choudhary, Naveen Mishra, Rajkishor Kumar and Raghvendra Kumar Chaudhary, "A Via-less Compact Bandpass Filter with Improved Selectivity Using Metamaterial Structure", Asia Pacific Microwave Conference (APMC), Nov. 13-16, 2017, Malaysia. [link to download].
9. Rajkishor Kumar, Mohammad Ameen and Raghvendra Kumar Chaudhary, "Wideband Circularly Polarized Half-split Embedded Cylindrical DRA Excited with Slotted Patch for WLAN/Wi-MAX Applications", 2017 IEEE International Conference on Antenna Innovations & Modern Technologies for Ground, Aircraft and Satellite Application (iAIM-2017), Nov. 24-26, 2017, Bangalore, India [link to download].
8. Mohammad Ameen, Rajkishor Kumar, Naveen Mishra and Raghvendra Kumar Chaudhary, "A Compact Triple Band Dual Polarized Metamaterial Antenna Loaded with Double Hexagonal SRR for WLAN/WiMAX Applications", 2017 IEEE International Conference on Antenna Innovations & Modern Technologies for Ground, Aircraft and Satellite Application (iAIM-2017), Nov. 24-26, 2017, Bangalore, India. [link to download].
7. Rajkishor Kumar, Rakesh Chowdhury, and Raghvendra Kumar Chaudhary, "A Rectangular DRA Loaded with SRR and Excited with Question-Shaped Microstrip Feed for Application in Wideband Circular Polarization", Asia Pacific Microwave Conference (APMC) and International Microwave and RF Conference (IMaRC), Dec. 05-09, 2016, New Delhi, India [link to download]
6. Rajkishor Kumar, Rakesh Chowdhury and Raghvendra Kumar Chaudhary, "Slot Coupled Wideband Circularly Polarized Cylindrical Ring DRA for Wi-MAX Applications", Asia Pacific Microwave Conference (APMC) and International Microwave and RF Conference (IMaRC), Dec. 05-09, 2016, New Delhi, India, 2016. [link to download]
5. Rajkishor Kumar, and Raghvendra Kumar Chaudhary, "Wideband Circularly Polarized Cubical DRA Excited with Conformal-strip for Wireless Applications", 11th International Conference on Industrial and Information System (ICIIS), Dec. 03-04, 2016, Indian Institute of Technology Roorkee (IIT-R), Uttarakhand, India. [link to download].
4. Rakesh Chowdhury, Rajkishor Kumar, and Raghvendra Kumar Chaudhary, "A New Technique to Enhance the Impedance Bandwidth of CDRA using Drilling Holes", 11th International Conference on Industrial and Information System (ICIIS), Dec. 03-04, 2016, Indian Institute of Technology Roorkee (IIT-R), Uttarakhand, India. [link to download].
3. Rajkishor Kumar, and Raghvendra Kumar Chaudhary, "Wideband Circularly Polarized H-shaped Dielectric Resonator Antenna Excited with Cross-slot feed", 5th IEEE Applied Electromagnetics Conference (AEMC-2015), pp. 1-2, Dec. 18-21, 2015, IIT Guwahati, India [link to download].
2. Rajkishor Kumar, and Raghvendra Kumar Chaudhary, "A Wideband Circularly Polarized Slotted Rectangular Dielectric Resonator Antenna Excited with a Cross-slot", 2015 International Conference on Microwave and Photonics (ICMAP), pp. 1-2, Dec. 11-13, 2015, IIT (ISM), Dhanbad, India [link to download].
1. Rajkishor Kumar, and Raghvendra Kumar Chaudhary, "Circularly Polarized Ring Dielectric Resonator Antenna Excited with Cross-Slot", 2015 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, pp. 45-46, July 19-25, 2015, Vancouver, British Columbia, Canada. [link to download]