Publications

J26. Y. Mu, N. Garg, and T. Ratnarajah, "Federated Distillation in Massive MIMO Networks: Dynamic Training, Convergence Analysis and Communication Channel-Aware Learning," in IEEE Transactions on Cognitive Communications and Networking, Accepted, March 2024.

J25.  N. Garg, H. Luo, and T. Ratnarajah, "On the Secrecy Rate of In-Band Full-duplex Two-way Wiretap Channel," in IEEE Transactions on Green Communications and Networking, Accepted, Jan 2024. 

J24. H. Luo, N. Garg, M. Holm, and T. Ratnarajah, "Joint Power Allocation and Beamforming for In-band Full-duplex Multi-cell Multi-user Networks," in IEEE Transactions on Vehicular Technology, Accepted, March 2024. 

J23. N. Garg, T. Ratnarajah, V. Venkata, and M. Sellathurai, "Tensor Completion Algorithm and its Applications to Wireless Edge Caching and Hyper-Spectral Imaging," in IEEE Access, vol. 12, pp. 19520-19531, Jan 2024, doi: 10.1109/ACCESS.2024.3359036. 

J22. N. Garg, T. Ratnarajah, V. Venkata, and M. Sellathurai, "Distributed Precoding For Decentralized Estimation In Coexisting IoT Networks ," IEEE Internet of Things Journal, Accepted, Dec 2023. 

J21. Z. Liu, N. Garg and T. Ratnarajah, "Multi-agent Federated Reinforcement Learning Strategy for Mobile Virtual Reality Delivery Networks," in IEEE Transactions on Network Science and Engineering, doi: 10.1109/TNSE.2023.3292570. [PDF]

J20. H. Luo, N. Garg, and T. Ratnarajah, "A Channel Frequency Response-Based Secret Key Generation Scheme in In-band Full-duplex MIMO-OFDM Systems," IEEE Journal on Selected Areas in Communications (JSAC Special Issue on Full Duplex and its Applications), vol. 41, no. 9, pp. 2951-2965, Sept. 2023, doi: 10.1109/JSAC.2023.3287610 (Peter Grant award for best student-led paper by The University of Edinburgh).  [PDF]

J19. H. Luo, N. Garg, and T. Ratnarajah, "Beamforming Design for In-Band Full-duplex Multi-cell Multi-user MIMO Networks with Global and Local CSI ," in IEEE Transactions on Vehicular Technology, vol. 72, no. 8, pp. 10218-10233, Aug. 2023, doi: 10.1109/TVT.2023.3255013. [PDF]

J18. H. Ge, N. Garg, and T. Ratnarajah, "Generalized Superimposed Training for RIS-Aided Cell-free Massive MIMO-OFDM Networks ," Journal of Communications and Networks, vol. 24, no. 5, pp. 590-602, Oct. 2022, doi: 10.23919/JCN.2022.000040. [PDF]

J17. Y. Mu, N. Garg, and T. Ratnarajah, "Federated Learning in Massive MIMO 6G Networks: Convergence Analysis and Communication-Efficient Design," IEEE Transactions on Network Science and Engineering, vol. 9, no. 6, pp. 4220-4234, Nov. 2022, doi: 10.1109/TNSE.2022.3196463. [PDF]

J16. J. Zhang, N. Garg, and T. Ratnarajah, "In-Band-Full-Duplex Integrated Sensing and Communications for IAB Networks," in IEEE Transactions on Vehicular Technology, vol. 71, no. 12, pp. 12782-12796, Dec. 2022, doi: 10.1109/TVT.2022.3195672. [PDF]

J15. N. Garg, H. Ge, and T. Ratnarajah, "Generalized Superimposed Training Scheme In IRS-assisted Cell-free Massive MIMO Systems," in IEEE Journal of Selected Topics in Signal Processing, vol. 16, no. 5, pp. 1157-1171, Aug. 2022, doi: 10.1109/JSTSP.2022.3174397. [PDF]

J14. N. Garg and T. Ratnarajah, "Generalized Superimposed Training Scheme In Cell-free Massive MIMO Systems," in IEEE Transactions on Wireless Communications, vol. 21, no. 9, pp. 7668-7681, Sept. 2022, doi: 10.1109/TWC.2022.3160300. [PDF]

J13. S. Krishnendu, B. N. Bharath, N. Garg, V. Bhatia and T. Ratnarajah, “Learning to Cache: Distributed Coded Caching in a Cellular Network With Correlated Demands”, in IEEE Transactions on Communications, vol. 70, no. 3, pp. 1653-1665, March 2022, doi: 10.1109/TCOMM.2021.3132048. [arXiv] [PDF]

J12. J. Zhang, H. Luo, N. Garg, A. Bishnu, M. Holm and T. Ratnarajah, "Design and Analysis of Wideband In-Band-Full-Duplex FR2-IAB Networks," in IEEE Transactions on Wireless Communications, vol. 21, no. 6, pp. 4183-4196, June 2022, doi: 10.1109/TWC.2021.3126998. [arXiv] [PDF]

J11. N. Garg, A. Rudraksh, G. Sharma and T. Ratnarajah, "Improved Rate-Energy Trade-off For SWIPT Using Chordal Distance Decomposition In Interference Alignment Networks," in IEEE Transactions on Green Communications and Networking, vol. 6, no. 2, pp. 917-929, June 2022, doi: 10.1109/TGCN.2021.3115268.  [arXiv] [PDF]

J10. N. Garg, J. Zhang and T. Ratnarajah, "Rate-Energy Balanced Precoding Design for SWIPT Based Two-Way Relay Systems," in IEEE Journal of Selected Topics in Signal Processing, vol. 15, no. 5, pp. 1228-1241, Aug. 2021, doi: 10.1109/JSTSP.2021.3086736. [arXiv] [PDF]

J09. N. Garg, M. Sellathurai, V. Bhatia and T. Ratnarajah, "Function Approximation Based Reinforcement Learning for Edge Caching in Massive MIMO Networks," IEEE Transactions on Communications, vol. 69, no. 4, pp. 2304-2316, April 2021, doi: 10.1109/TCOMM.2020.3047658. [PDF]

J08. J. Zhang, N. Garg, M. Holm and T. Ratnarajah, "Design of Full Duplex Millimeter-Wave Integrated Access and Backhaul Networks," in IEEE Wireless Communications, vol. 28, no. 1, pp. 60-67, February 2021, doi: 10.1109/MWC.001.2000199. [arXiv] [PDF]

J07. N. Garg, A. K. Jagannatham, G. Sharma and T. Ratnarajah, "Precoder Feedback Schemes for Robust Interference Alignment With Bounded CSI Uncertainty," in IEEE Transactions on Signal and Information Processing over Networks, vol. 6, pp. 407-425, 2020, doi: 10.1109/TSIPN.2020.2995964. [PDF]

J06. H. Sainthiya, N. Garg, and N. S. Beniwal, "Optimization of Interval-Based Back Surface Water Cooling For Photovoltaic/Thermal Systems." ASME Journal of Energy Resources Technology, February 2021; 143(2): 024502, doi: 10.1115/1.4047886. [PDF]

J05. N. Garg, M. Sellathurai, B. Bettagere, V. Bhatia and T. Ratnarajah, "Online Content Popularity Prediction and Learning in Wireless Edge Caching," in IEEE Transactions on Communications, vol. 68, no. 2, pp. 1087-1100, Feb. 2020, doi: 10.1109/TCOMM.2019.2956041. [PDF]

J04. N. Garg and G. Sharma, "Analog Precoder Feedback Schemes with Interference Alignment," in IEEE Transactions on Wireless Communications, vol. 17, no. 8, pp. 5382-5396, Aug. 2018, doi: 10.1109/TWC.2018.2843340. [PDF]

J03. N. Garg, A. Jain, G. Sharma, “Analysis of partially loaded superimposed training scheme for large MIMO uplink systems”, in Wireless Personal Communications, 100, 1313–1338 (2018), doi: 10.1007/s11277-018-5639-z. [PDF]

J02. H. Sainthiya, N. S. Beniwal, N. Garg, “Efficiency Improvement Of A Photovoltaic Module Using Front Surface Cooling Method In Summer And Winter Conditions”, in ASME Journal of Solar Energy Engineering, December 2018; 140(6): 061009, doi:10.1115/1.4040238. [PDF]

J01. S. Singh, A. Trivedi and N. Garg, “Collaborative anti-jamming in cognitive radio networks using minimax-Q learning”, in International Journal of Modern Education and Computer Science, vol. 9, pp 11-18, 2013, doi: 10.5815/ijmecs.2013.09.02. [PDF]

C35. H. Ge, N. Garg, A. Papazafeiropoulos and T. Ratnarajah, "A Rate-Splitting Approach for RIS-aided Massive MIMO Networks with Transceiver Design," In Proc IEEE 24th International Workshop on Signal Processing Advances in Wireless Communications, Shanghai, China, Sep. 25-28, 2023.

C34. Y. Mu, N. Garg and T. Ratnarajah, "Communication Channel-aware Federated Distillation for Massive MIMO systems," In Proc IEEE 24th International Workshop on Signal Processing Advances in Wireless Communications, Shanghai, China, Sep. 25-28, 2023.

C33. S. Lavery, N. Garg and T. Ratnarajah, “OFDM-based Dual Function Communications-Radar Utilizing the 4D Modified Matrix Pencil Method," In Proc. of 24th International Conference on Digital Signal Processing, 11-13 June 2023, Island of Rhodes, Greece. 

C32. H. Luo, N. Garg and T. Ratnarajah, "A Channel Frequency Response-Based Secret Key Generation Scheme in In-band Full-duplex MIMO Systems," In Proc. of the IEEE International Conference on Communications, Rome, Italy, May 28-June 1, 2023.

C31. N. Garg, T. Ratnarajah, "Power Allocation For Full-duplex Two-way Wiretap Channel", IEEE 23rd International Workshop on Signal Processing Advances in Wireless Communication (SPAWC), Oulu, Finland, 04-06 July 2022, pp. 1-5, doi: 10.1109/SPAWC51304.2022.9833919. [PDF]

C30. H. Ge, N. Garg, T. Ratnarajah, "Channel Estimation for Generalized Superimposed Cell-free Massive MIMO-OFDM Systems", IEEE 23rd International Workshop on Signal Processing Advances in Wireless Communication (SPAWC), Oulu, Finland, 04-06 July 2022, pp. 1-5, doi: 10.1109/SPAWC51304.2022.9833938. [PDF]

C29. H. Ge, N. Garg, T. Ratnarajah, "Design of Generalized Superimposed Training for Uplink Cell-free Massive MIMO Systems", IEEE 95th Vehicular Technology Conference: (VTC2022-Spring), Helsinki, Finland, 19-22 June 2022, pp. 1-5, doi: 10.1109/VTC2022-Spring54318.2022.9860795. [PDF]

C28. H. Ge, N. Garg and T. Ratnarajah, "Generalized Superimposed Channel Estimation for Uplink RIS-aided Cell-free Massive MIMO Systems”, IEEE Wireless Communications and Networking Conference (WCNC), Austin, TX, USA, 10-13 April 2022, pp. 405-410, doi: 10.1109/WCNC51071.2022.9771957. [PDF]

C27. Y. Mu, N. Garg and T. Ratnarajah, "Communication-Efficient Federated Learning For Massive MIMO Systems”, IEEE Wireless Communications and Networking Conference (WCNC), Austin, TX, USA, 10-13 April 2022, pp. 578-583, doi: 10.1109/WCNC51071.2022.9771851. [PDF]

C26. J. Zhang, N. Garg and T. Ratnarajah, “Design of In-Band-Full-Duplex IAB Networks for Integrated Sensing and Communications”, IEEE International Conference on Communications (ICC), Seoul, Korea, 16-20 May 2022, pp. 1888-1893, doi: 10.1109/ICC45855.2022.9838869. [PDF]

C25. N. Garg and T. Ratnarajah, “Cooperative Scenarios For Multi-Agent Reinforcement Learning In Wireless Edge Caching”, IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Toronto, ON, Canada, 06-11 June 2021, pp. 3435-3439, doi: 10.1109/ICASSP39728.2021.9414319. [PDF]

C24. Y. Doshi, B. N. Bharath, N. Garg, V. Bhatia and T. Ratnarajah, "Learning Distributed Coded Caching Strategy in a Cellular Network," IEEE 93rd Vehicular Technology Conference (VTC2021-Spring), Helsinki, Finland, 25-28 April 2021, pp. 1-6, doi: 10.1109/VTC2021-Spring51267.2021.9449047. [PDF]

C23. J. Zhang, H. Luo, N. Garg, T. Ratnarajah, “Design and Analysis of mmWave Full-Duplex Integrated Access and Backhaul Networks”, IEEE International Conference on Communications (ICC), Montreal, QC, Canada, 14-23 June 2021, pp. 1-6, doi: 10.1109/ICC42927.2021.9500615. [PDF]

C22. J. Zhang, N. Garg, M. Holm, and T. Ratnarajah, "Nystrom Method-based Hybrid Precoding for mmWave Full-Duplex Integrated Access and Backhaul Systems," IEEE Wireless Communications and Networking Conference (WCNC), Nanjing, China, 29 March 2021 - 01 April 2021, pp. 1-6, doi: 10.1109/WCNC49053.2021.9417423. [PDF]

C21. N. Garg, M. Sellathurai and T. Ratnarajah, "Decentralized Coded Caching For Interference Networks," 54th Asilomar Conference on Signals, Systems, and Computers, Pacific Grove, CA, USA, 01-04 November 2020, pp. 1046-1050, doi: 10.1109/IEEECONF51394.2020.9443352. [PDF]

C20. N. Garg and T. Ratnarajah, "Tensor Completion based Prediction in Wireless Edge Caching," 54th Asilomar Conference on Signals, Systems, and Computers, Pacific Grove, CA, USA, 01-04 November 2020, pp. 1579-1582, doi: 10.1109/IEEECONF51394.2020.9457546. [PDF]

C19. N. Garg, M. Sellathurai and T. Ratnarajah, "Reinforcement Learning based Per-antenna Discrete Power Control for Massive MIMO Systems," 54th Asilomar Conference on Signals, Systems, and Computers, Pacific Grove, CA, USA, 01-04 November 2020, pp. 1028-1032, doi: 10.1109/IEEECONF51394.2020.9443383. [arXiv] [PDF]

C18. N. Garg, M. Sellathurai, T. Ratnarajah, "Low Complexity Joint OMP Methods for FDD Channel Estimation in Massive MIMO Systems", IEEE 21st International Workshop on Signal Processing Advances in Wireless Communications (SPAWC), Atlanta, GA, USA, 26-29 May 2020, pp. 1-5, doi: 10.1109/SPAWC48557.2020.9154302. [PDF]

C17. N. Garg, M. Sellathurai, T. Ratnarajah, "In-network Caching For Hybrid Satellite-Terrestrial Networks Using Deep Reinforcement Learning," IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Barcelona, Spain, 04-08 May 2020, pp. 8797-8801, doi: 10.1109/ICASSP40776.2020.9053906. [PDF]

C16. N. Garg, M. Sellathurai, T. Ratnarajah, V. Bhatia, "Success Probability Analysis for Edge Caching in Massive MIMO Networks," IEEE International Conference on Advanced Networks and Telecommunications Systems (ANTS), Goa, India, 16-19 December 2019, pp. 1-5, doi: 10.1109/ANTS47819.2019.9118050. [PDF]

C15. N. Garg, M. Sellathurai, B. Bettagere, V. Bhatia and T. Ratnarajah, "Online Learning Models for Content Popularity Prediction in Wireless Edge Caching," 53rd Asilomar Conference on Signals, Systems, and Computers, Pacific Grove, CA, USA, 03-06 November 2019, pp. 337-341, doi: 10.1109/IEEECONF44664.2019.9048682. [PDF]

C14. N. Garg, M. Sellathurai and T. Ratnarajah, "Linear Approximation based Q -Learning for Edge Caching in Massive MIMO Networks," 53rd Asilomar Conference on Signals, Systems, and Computers, Pacific Grove, CA, USA, 03-06 November 2019, pp. 1769-1773, doi: 10.1109/IEEECONF44664.2019.9048737. [PDF]

C13. N. Garg, M. Sellathurai and T. Ratnarajah, "Content Placement Learning for Success Probability Maximization in Wireless Edge Caching Networks," IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Brighton, UK, 12-17 May 2019, pp. 3092-3096, doi: 10.1109/ICASSP.2019.8682841. [PDF]

C12. N. Garg, G. Sharma and T. Ratnarajah, "MSE Based Precoding Schemes for Partially Correlated Transmissions in Interference Channels," IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Brighton, UK, 12-17 May 2019, pp. 4689-4693, doi: 10.1109/ICASSP.2019.8683406. [PDF]

C11. A. Agrahari, N. Garg and A. K. Jagannatham, "Regularized secondary beamforming in cognitive radio networks with limited feedback," IEEE 18th International Workshop on Signal Processing Advances in Wireless Communications (SPAWC), Sapporo, Japan, 03-06 July 2017, pp. 1-5, doi: 10.1109/SPAWC.2017.8227750. [PDF]

C10. N. Garg, A. Agrahari and G. Sharma, "On the MMSE precoder design for interference alignment in MIMO interfering broadcast channel," IEEE 18th International Workshop on Signal Processing Advances in Wireless Communications (SPAWC), Sapporo, Japan, 03-06 July 2017, pp. 1-5, doi: 10.1109/SPAWC.2017.8227797. [PDF]

C09. N. Garg and G. Sharma, "Precoder Quantization vs Channel Quantization in Interference Channel with Limited Feedback," 23rd National Conference on Communications (NCC), Chennai, India, 02-04 March 2017, pp. 1-4, doi: 10.1109/NCC.2017.8077078. [PDF]

C08. N. Garg and G. Sharma, "Rate loss analysis for precoder feedback in interference channel with imperfect CSI," International Conference on Signal Processing and Communications (SPCOM), Bangalore, India, 12-15 June 2016, pp. 1-4, doi: 10.1109/SPCOM.2016.7746684. [PDF]

C07. N. Garg and G. Sharma, "Interference alignment in cellular system with multiple D2D networks," International Conference on Signal Processing and Communications (SPCOM), Bangalore, India, 12-15 June 2016, pp. 1-4, doi: 10.1109/SPCOM.2016.7746689. [PDF]

C06. N. Garg and G. Sharma, "A quantization method for precoder feedback in interference channel," International Conference on Signal Processing and Communications (SPCOM), Bangalore, India, 12-15 June 2016, pp. 1-5, doi: 10.1109/SPCOM.2016.7746683. [PDF]

C05. N. Garg and G. Sharma, "Reduced dimension superimposed precoder feedback for interference alignment," 22nd National Conference on Communication (NCC), Guwahati, India, 04-06 March 2016, pp. 1-6, doi: 10.1109/NCC.2016.7561131. [PDF]

C04. N. Garg and G. Sharma, "Sum rate of K-user MIMO interference channel for finite constellation inputs with interference alignment," 22nd National Conference on Communication (NCC), Guwahati, India, 04-06 March 2016, pp. 1-4, doi: 10.1109/NCC.2016.7561132. [PDF]

C03. N. Garg and G. Sharma, "Genetic max-SINR algorithm for interference alignment," IEEE International Conference on Advanced Networks and Telecommuncations Systems (ANTS), Kolkata, India, 15-18 December 2015, pp. 1-5, doi: 10.1109/ANTS.2015.7413649. [PDF]

C02. N. Garg and G. Sharma, "Precoder quantization for interference alignment with limited feedback," IEEE Wireless Communications and Networking Conference (WCNC), New Orleans, LA, USA, 09-12 March 2015, pp. 281-286, doi: 10.1109/WCNC.2015.7127483. [PDF]

C01. N. Garg and A. Trivedi, "Improved cooperative sensing strategies using wavelet denoising," International Conference on Advances in Computing, Communications and Informatics (ICACCI), Mysore, India, 22-25 August 2013, pp. 8-13, doi: 10.1109/ICACCI.2013.6637138. [PDF]