Research Interests

• 6G and Beyond

• THz Communications

• Near-Field Communications

• Signal Processing

• AI for Wireless

• Ultra-Massive MIMO

• Integrated Sensing and Communications

• Intelligent Reflecting Surfaces

Projects

• "MARL-based Beam Formation in IRS-Assisted Two-way Ultra Massive MIMO Communications for 6G Standardization,” sponsored by IIT Kharagpur AI4ICPS I Hub Foundation, undertaken in G S Sanyal School of Telecommunications, IIT Kharagpur (PI: Prof. Debarati Sen) (Aug 2024-Feb 2025)

• "Channel Modelling and Signal Processing for Terahertz Systems for 6G (SAC 998393)," sponsored by Samsung Research India-Bangalore (SRI-B), undertaken in G S Sanyal School of Telecommunications, IIT Kharagpur ( PI: Prof. Debarati Sen)-(Oct 2020 - Dec 2021)

• "MIMO Transceiver Testbed Design," undertaken in G S Sanyal School of Telecommunications, IIT Kharagpur (Advisor: Prof. Debarati Sen) -(July-Nov 2019)

• "Channel Estimation for Massive MIMO Systems," undertaken in the Department of Electronics & Communications Engineering, NIT Kurukshetra  (Advisor: Prof. Rajoo Pandey)-(July 2018-June 2019)

• "Automatic Railway Gate Controlling using MSP430 Microcontroller," undertaken in the Department of Electronics & Communications Engineering, JNTU Anantapur (Advisor: Mr. Raghuveera)-(Aug 2015 - Apr 2016)

Publications

1. Soujanya Thallapalli and Rajoo Pandey, "Performance Evaluation of Channel Estimation in Multicell Multiuser Massive MIMO Systems," 2019 International Conference on Vision Towards Emerging Trends in Communication and Networking (ViTECoN), March 2019, Vellore, India. 

2. Soujanya Thallapalli and Rajoo Pandey, "Performance Evaluation of Semi-Blind Channel Estimation using Expectation-Maximization for Massive MIMO Systems," 2nd National Conference on Advanced Communication Technologies and Networks (ACTN),  June 2019, Jaipur, India. 

3. Soujanya Thallapalli and Debarati Sen, "Channel Estimation under Dual Wideband Effects for THz Massive MIMO Systems," 2022 IEEE International Conference on Advanced Networks and Telecommunications Systems (ANTS 2022), Gandhinagar, India.

4. Soujanya Thallapalli and Debarati Sen, "Bayesian Channel Estimation under Dual Wideband Effects for THz Massive MIMO Communications," Springer Wireless Personal Communications Journal, vol. 145, pp. 511-537, Feb. 2024.

5. Soujanya Thallapalli and Debarati Sen, "Gridless Channel Estimation for THz Ultra-Massive MIMO-OFDM Systems under Dual Wideband Effects," 2024 IEEE 99th Vehicular Technology Conference (VTC2024-Spring), Singapore, June 24-27, 2024.

6. Swastik Chakraborty, Soujanya Thallapalli, and Debarati Sen, "DNN-Based Phase Reconfiguration of Intelligent Reflecting Surface-Enabled mmWave System," 2024 IEEE International Symposium on Personal, Indoor, and Mobile Radio Communications, Valencia, Spain, September 2-5, 2024.

7. Soujanya Thallapalli and Debarati Sen, "Gridless Sparse Channel Estimation for Dual Wideband THz Ultra-Massive MIMO Systems," IEEE Transactions on Wireless Communications, vol. 25, pp. 10035-10050, Dec. 2025.

8. Soujanya Thallapalli and Debarati Sen, "Gridless Iterative Near-Field Terahertz Channel Estimation for Dual Wideband UM-MIMO Systems," IEEE Communication Letters, vol. 30, pp. 817-821, Jan. 2026.

9. Soujanya Thallapalli, Anushu Priya Boddeda, and Debarati Sen, "Cramér-Rao Lower Bound for Near-Field Channel Estimation in UCA-Assisted THz Ultra-Massive Hybrid MIMO Systems," IEEE Communication Letters (Under Review).

10. Soujanya Thallapalli, Anushu Priya Boddeda, and Debarati Sen, "Hybrid Pilot Precoder/Combiner and CRLB for Multipath Parameter Estimation in Near-Field THz Ultra-Massive MIMO Systems,” IEEE Transactions on Wireless Communications (Under Review).

Patents

1. Soujanya Thallapalli and Debarati Sen, ”Method and System for Channel Estimation of Full-Dimensional Spatial Non-Stationary Dual-Wideband Ultra-Massive MIMO THz/mmWave Near-Field Communication,” Indian Patent (Application No. 202531123155).

2. Soujanya Thallapalli and Debarati Sen, ”Method and System for Channel Estimation of Full-Dimensional Spatial Non-Stationary Dual-Wideband Ultra-Massive MIMO THz/mmWave Near-Field Communication,” US Patent (Convention Patent Application No. 19/544,464).