Publications

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Journal articles

• [J-11]  V. Kumar, M. F. Hanif, M. Juntti, and L.-N. Tran, "A max-min task offloading algorithm for mobile edge computing using non-orthogonal multiple access," IEEE Transactions on Vehicular Technology, vol. 72, no. 9, pp. 12332-12337, Sept. 2023. [Code Ocean] or [GitHub]

• [J-10] V. Kumar, R. Zhang, M. Di Renzo, and L.-N. Tran, "A novel SCA-based method for beamforming optimization in IRS/RIS-assisted MU-MISO downlink," IEEE Wireless Communications Letters, vol. 12, no. 2, pp. 297-301, Feb. 2023. [Code Ocean] or [GitHub]

• [J-9] V. Kumar, M. F. Flanagan, R. Zhang, and L.-N. Tran, "Achievable rate maximization for underlay spectrum sharing MIMO system with intelligent reflecting surface," IEEE Wireless Communications Letters, vol. 11, no. 8, pp. 1758-1762, Aug. 2022.  [Code Ocean] or [GitHub]

• [J-8] A. Mukherjee, V. Kumar, E. Jorswieck, B. Ottersten, and L.-N. Tran, "On the optimality of the stationary solution of secrecy rate maximization for MIMO wiretap channel," IEEE Wireless Communications Letters, vol. 11, no. 2, pp. 357-361, Feb. 2022. 

• [J-7] V. Kumar, Z. Ding, and M. F. Flanagan, "On the effective rate of NOMA in underlay spectrum sharing," IEEE Transactions on Vehicular Technology, vol. 70, no. 11, pp. 12220-12225, November 2021.

• [J-6] V. Kumar, Z. Ding, and M. F. Flanagan, "On the performance of downlink NOMA in underlay spectrum sharing," IEEE Transactions on Vehicular Technology, vol. 70, no. 5, pp. 4523-4540, May 2021.

• [J-5] V. Kumar, B. Cardiff, and M. F. Flanagan, "NOMA-based cooperative relaying with receive diversity in Nakagami-m fading channels,"  IEEE Open Journal of The Communications Society, vol. 1, pp. 1907-1918, November 2020.

• [J-4] V. Kumar, B. Cardiff, S. Prakriya, and M. F. Flanagan,  "Delay violation probability and effective rate of downlink NOMA over α-μ fading channels," IEEE Transactions on Vehicular Technology, vol. 69, no. 10, pp. 11241-11252, October 2020. 

• [J-3] V. Kumar, B. Cardiff, and M. F. Flanagan, "Performance analysis of NOMA with generalized selection combining receivers," Electronics Letters, vol. 55, no. 25, pp. 1364-1367, December 2019.

• [J-2] V. Kumar, B. Cardiff, and M. F. Flanagan, "Fundamental limits of spectrum sharing for NOMA-based cooperative relaying under a peak interference constraint," IEEE Transactions on Communications, vol. 67, no. 12, pp. 8233-8246, December 2019. 

• [J-1] V. Kumar, B. Cardiff, and M. F. Flanagan, "User-antenna selection for physical-layer network coding based on Euclidean distance," IEEE Transactions on Communications, vol. 67, no. 5, pp. 3363-3375,  January 2019. 

Conference papers

• [C-21] V. Kumar, M. Chafii, A. L. Swindlehurst, L.-N. Tran, and M. F. Flanagan, "SCA-based beamforming optimization for IRS-enabled secure integrated sensing and communications," IEEE Global Communications Conference (GLOBECOM), Kuala Lumpur, Malaysia, 2023.

• [C-20] V. Kumar, A. Papazafeiropoulos, M. F. Hanif, L.-N. Tran, and M. F. Flanagan, "A low-complexity solution to sum rate maximization for IRS-assisted SWIPT-MIMO broadcasting," IEEE Vehicular Technology Conference (VTC Spring), Florence, Italy, 2023. 

• [C-19] A. Magbool, V. Kumar, and M. F. Flanagan, “On energy efficiency and fairness maximization in RIS-assisted MU-MISO mmWave communications,” IEEE International Conference on Communications (ICC), Rome, Italy, 2023. 

• [C-18] A. Mukherjee, V. Kumar, D. W. K. Ng, and L.-N. Tran, "On the energy-efficiency maximization for IRS-assisted MIMOME wiretap channels", IEEE Vehicular Technology Conference (VTC Fall), London/Beijing, 2022.

• [C-17] M. Farooq, V. Kumar, M. Juntti, and L.-N. Tran, “On the achievable rate of IRS-assisted multigroup multicast systems,” IEEE Global Communications Conference (GLOBECOM), Rio de Janeiro, Brazil, 2022.

• [C-16] A. Mukherjee, V. Kumar, and L.-N. Tran, "Secrecy rate maximization for intelligent reflecting surface assisted MIMOME wiretap channels," IEEE Military Communications Conference (MILCOM), San Diego, USA, 2021.

• [C-15] V. Kumar, M. F. Flanagan, D. W. K. Ng, and L.-N. Tran, "On the secrecy rate under statistical QoS provisioning for RIS-assisted MISO wiretap channel," IEEE Global Communications Conference (GLOBECOM), Madrid, Spain, 2021. [Winner of Best Paper Award] [Code Ocean] or [GitHub]

• [C-14] V. Kumar, M. F. Flanagan, D. B. da Costa, and L.-N. Tran, "On the secrecy rate of downlink NOMA in underlay spectrum sharing with imperfect CSI," 28th International Conference on Telecommunications (ICT), London, UK, 2021. [Invited paper]

• [C-13] V. Kumar, B. Cardiff, S. Prakriya and M. F. Flanagan, "Link-layer capacity of downlink NOMA with generalized selection combining receivers," IEEE International Conference on Communications (ICC), Dublin, Ireland, 2020. 

• [C-12] V. Kumar, B. Cardiff, S. Prakriya and M. F. Flanagan, "Effective rate of downlink NOMA over k-μ shadowed fading with integer fading parameters, " IEEE International Conference on Communications Workshop on NOMA for 5G (ICC Wkshps), Dublin, Ireland, 2020. 

• [C-11] V. Kumar, B. Cardiff and M. F. Flanagan, "Performance analysis of NOMA-based cooperative relaying in α-μ fading channels," IEEE International Conference on Communications (ICC), Shanghai, China, 2019. 

• [C-10] V. Kumar, B. Cardiff and M. F. Flanagan, "On the performance of NOMA-based cooperative relaying with receive diversity," in ITG International Conference on Signals, Communications and Coding (SCC), Rostock, Germany, 2019.

• [C-9] V. Kumar, B. Cardiff and M. F. Flanagan, "Fundamental limits of spectrum sharing for NOMA-based cooperative relaying," IEEE Global Communications Conference Workshop on NOMA techniques for 5G (GLOBECOM Wkshps), Abu Dhabi, UAE, 2018.

• [C-8] V. Kumar, B. Cardiff and M. F. Flanagan, "Physical-layer network coding with multiple-antennas: an enabling technology for smart cities," IEEE Annual International Symposium on Personal, Indoor, and Mobile Radio Communications (PIMRC), Montreal, Canada, 2017. [Invited paper]

• [C-7] V. Kumar, B. Cardiff and M. F. Flanagan, "Transmit antenna selection for physical-layer network coding based on Euclidean distance," IEEE Global Communications Conference (GLOBECOM), Singapore, 2017.

• [C-6] V. Kumar, D. C. Kandpal, R Gangopadhay and S. Debnath, "Amplify-and-forward relay based spectrum sensing with generalized selection combining," IEEE Annual International Symposium on Personal, Indoor, and Mobile Radio Communications (PIMRC), Valencia, Spain, 2016, pp. 1-5.

• [C-5] M. Jain, V. Kumar, R. Gangopadhyay and S. Debnath, "A simulation framework for capacity analysis in TV white space," Asia-Pacific Conference on Communications (APCC), Yogyakarta, 2016, pp. 414-418.

• [C-4] V. Kumar, D. C. Kandpal, R. Gangopadhyay and S. Debnath, "K-mean clustering based cooperative spectrum sensing in generalized κ-μ fading channels," 22nd National Conference on Communication (NCC), Guwahati, 2016, pp. 1-5.

• [C-3] V. Kumar, M. Jain, R. Gangopadhyay and S. Debnath, "Cooperative improved energy detector in generalized κ-μ fading channel for spectrum sensing in cognitive radio," IEEE International Conference on Electronics, Computing and Communication Technologies (CONECCT), Bangalore, 2015, pp. 1-4.

• [C-2] M. Jain, V. Kumar, R. Gangopadhyay and S. Debnath, "Improved p-norm energy detector in generalized κ-μ fading channel for spectrum sensing in cognitive radio," International Conference on Communications, Signal Processing, and their Applications (ICCSPA),  Sharjah, 2015, pp. 1-4.

• [C-1] V. Kumar, A. Sharma, S. Debnath and R. Gangopadhyay, "Impact of primary user duty cycle in generalized fading channels on spectrum sensing in cognitive radio,"  Procedia Computer Science, vol. 46, pp. 1196-1202, Dec. 2014.  

Book chapters

• D. C. Kandpal, V. Kumar, R. Gangopadhyay, and S. Debnath, "Performance of energy detector with generalized selection combining for spectrum sensing," in Lecture Notes of the Institute of Computer Sciences, Social Informatics and Telecommunications Engineering, Springer, May 2016.  

• M. Jain, V. Kumar, R. Gangopadhyay, and S. Debnath, "Cooperative spectrum sensing using improved p-norm detector in generalized κ-μ fading channel," in Lecture Notes of the Institute of Computer Sciences, Social Informatics and Telecommunications Engineering, Springer, October 2015. 

• V. Kumar, M. Jain, R. Gangopadhyay, and S. Debnath, "Improved p-norm energy detector in AWGN channel for spectrum sensing in cognitive radio," in Lecture Notes of the Institute of Computer Sciences, Social Informatics and Telecommunications Engineering, Springer, May 2015.