Ajay Kumar

About

Ajay Kumar (Student Member, IEEE) received the B. Tech. degree in electronics and communication engineering from the Institute of Engineering and Technology, Lucknow, India, in 2015, and the M.Tech. degree in communication system engineering from IIT Patna, Patna, India, in 2018. He is currently pursuing a Ph.D. degree with the Department of Electrical Communication Engineering, Indian Institute of Science Bangalore, Bengaluru, India. From 2018 to 2021, he was a Wireless Research and Development Engineer with FleetRF Pvt. Ltd. His research interests include physical layer security for wireless communication, orthogonal time-frequency space modulation, non-orthogonal multiple access, and joint radar and communication systems.

Employment

• FleetRF Pvt. Ltd. Wireless R & D Engineer
  2018 - 2021

Education

• Indian Institute of Science Ph.D
  2021 - Present

Projects & Funding

Projects & funding information is unavailable.

Publications (8)

• OTFS-ISAC System With Sub-Nyquist ADC Sampling Rate
  IEEE Journal on Selected Areas in Communications 2026 DOI: 10.1109/JSAC.2025.3607858
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• Robust Channel Estimation Algorithm for OTFS Systems Under Jamming Attacks
  IEEE Wireless Communications Letters 2026 DOI: 10.1109/LWC.2025.3618267
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• Sensing and Channel Estimation for OTFS-ISAC System With Reduced PAPR
  IEEE Communications Letters 2025 DOI: 10.1109/LCOMM.2025.3584204
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• Spectrum Efficient Anti-Jamming for OTFS Systems
  2024 IEEE Wireless Communications and Networking Conference (WCNC) 2024 DOI: 10.1109/wcnc57260.2024.10571264
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• PIM-OTFS Based DFRC System in Limited Feedback and High Mobility Scenarios
  2023 IEEE Wireless Communications and Networking Conference (WCNC) 2023 DOI: 10.1109/wcnc55385.2023.10118960
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• Channel Estimator and Symbol Detector for OTFS Systems Impaired by Impulsive Noise
  IEEE Communications Letters 2023 DOI: 10.1109/lcomm.2023.3300017
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• Physical-Layer Security of Underlay MIMO-D2D Communications by Null Steering Method Over Nakagami-m and Norton Fading Channels
  IEEE Transactions on Wireless Communications 2022 DOI: 10.1109/TWC.2022.3178758
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• 6th Generation: Communication, Signal Processing, Advanced Infrastructure, Emerging Technologies and Challenges
  International Conference on Computing, Communication and Security (ICCCS) 2021 DOI: 10.1109/ICCCS51487.2021.9776334
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