[J40] M. A. Jamshed, A. Kaushik, M. Z. Shakir, W. Shin, M. Toka, S. Manzoor and J. Seong, "A Tutorial on Non-Terrestrial Networks: Towards Global and Ubiquitous 6G Connectivity," to be submitted to the Foundations and Trends in Networking, 2024. [Invited Paper]

[J39] M. Katwe, A. Kaushik, K. Singh, M. Di Renzo, S. Sun, D. Lee, A. G. Armada, Y. C. Eldar, O. A. Dobre and T. S. Rappaport, "CmWave and Sub-THz: As Key Radio Enabler and Complementary Spectrum for 6G," IEEE Wireless Communications, 2024. (Under Review) [PDF]

[J38] M. A. Jamshed, A. Kaushik, M. Dajer, A. Guidotti, F. Parzysz, E. Lagunas, M. Di Renzo, S. Chatzinotas and O. A. Dobre, "Non-Terrestrial Networks for 6G: Integrated, Intelligent and Ubiquitous Connectivity," IEEE Vehicular Technology Magazine, 2024. (Under Review) [PDF]

[J37] M. Katwe, A. Kaushik, L. Mohjazi, M. Abualhayja'a, D. Dardari, K. Singh, M. A. Imran, M. M. Butt and O. A. Dobre, "An Overview of Intelligent Meta-surfaces for 6G and Beyond: Opportunities, Trends, and Challenges," IEEE Communications Standards Magazine, 2024. (Under Review) [PDF]

[J36] E. Vlachos, A. Kaushik, Y. C. Eldar and G. C. Alexandropoulos, "Time-Domain Channel Estimation for Extremely Large MIMO THz Communications with Beam Squint", IEEE Open Journal of the Communications Society, 2024. (Under Review) [PDF]

[J35] M. Umer, M. A. Mohsin, A. Kaushik, Q. Ul-A. Nadeem, A. A. Nasir and S. A. Hassan, "RIS-assisted Aerial Non-Terrestrial Networks: An Intelligent Synergy with Deep Reinforcement Learning," IEEE Vehicular Technology Magazine, 2024. (Under Review)

[J34] C. Tsinos, A. Kaushik et al., "Low Complexity Joint Radar-Communication Systems via RF Domain Design," IEEE Transactions on Green Communications and Networking, 2024. (Under Review)

[J33] R. Singh, A. Kaushik, W. Shin, M. Di Renzo, V. Sciancalepore, D. Lee, H. Sasaki, A. Shojaeifard and O. A. Dobre, "Towards 6G Evolution: Three Enhancements, Three Innovations, and Three Major Challenges," IEEE Wireless Communications, 2024. (Under Review) [PDF]

[J32] A. Paul, K. Singh, A. Kaushik, C.-P. Li, O. A. Dobre, T. Q. Duong and M. Di Renzo, "Quantum-Enhanced DRL Optimization for DoA Estimation and Task Offloading in ISAC Systems," IEEE Journal on Selected Areas in Communications, 2024. (Under Review)

[J31] M. Toka, A. Kaushik, A. G. Armada and W. Shin, "Performance Analyses of RIS-aided OFDM-based LEO Satellite Networks With Doppler Effects," IEEE Internet of Things Journal, 2024. (Under Review)

[J30] J. Ryu, A. Kaushik, B. Lee and W. Shin, "Rate Splitting Multiple Access for GEO-LEO Coexisting Satellite Systems: Traffic-Aware Rate Maximization Precoder Design," IEEE Transactions on Vehicular Technology, 2024. (Under Review)

[J29] S. Sun, X. Bao and A. Kaushik, "Adversarial Imitation Learning-based Network for Category-Level 6D Object Pose Estimation," Machine Vision and Applications, 2024. (Under Review)

[J28] S. Singh, A. Raviteja, K. Singh, S. K. Singh, A. Kaushik and M.-L. Ku, "Secrecy Rate Maximization for Active RIS-aided Robust Uplink NOMA Communications," IEEE Wireless Communications Letters, In Press/Accepted, June 2024.

[J27] J. C. R.-Sicilia, M. Di Renzo, P. Mursia, A. Kaushik and V. Sciancalepore, "Spatial Multiplexing in Near-Field Line-of-Sight MIMO Communications: Paraxial and Non-Paraxial Deployments," IEEE Transactions on Green Communications and Networking, In Press/Accepted, June 2024. [PDF]

[J26] A. Kaushik, R. Singh, S. Dayarathna, R. Senanayake, M. Di Renzo, M. Dajer, H. Ji, Y. Kim, V. Sciancalepore, A. Zappone and W. Shin, "Toward Integrated Sensing and Communications for 6G: Key Enabling Technologies, Standardization, and Challenges," IEEE Communications Standards Magazine, vol. 8, no. 2, pp. 52-59, June 2024. [PDF]

[J25] H. Zhang, R. Liu, H. Zhao, A. Kaushik and X. Gao, "Collaborative Task Offloading Optimization for Satellite Mobile Edge Computing Using Multi-Agent Deep Reinforcement Learning," IEEE Transactions on Vehicular Technology, In Press/Accepted, May 2024.

[J24] G. Zheng, Q. Ni, K. Navaie, H. Pervaiz, G. Min, A. Kaushik and C. Zarakovitis, "Mobility-aware Split-Federated with Transfer Learning for Vehicular Semantic Communication Networks," IEEE Internet of Things Journal, vol. 11, no. 10, pp. 17237-17248, May 2024. [PDF]

[J23] G. Zheng, Q. Ni, K. Navaie, H. Pervaiz, A. Kaushik and C. C. Zarakovitis, "Energy-efficient Semantic Communication for Aerial-aided Edge Networks," IEEE Transactions on Green Communications and Networking, Early Access, May 2024. [PDF]

[J22] F. M. A. Khan, H. A.-Zeid, A. Kaushik, S. A. Hassan, "Advancing IIoT with Over-the-Air Federated Learning: The Role of Iterative Magnitude Pruning," IEEE Internet of Things Magazine, In Press/Accepted, May 2024. [PDF]

[J21] A. Kaushik, R. Singh, M. Li, H. Luo, S. Dayarathna, R. Senanayake, X. An, R. S.-Gallacher, W. Shin and M. Di Renzo, "Integrated Sensing and Communications for IoT: Synergies with Key 6G Technology Enablers," IEEE Internet of Things Magazine, In Press/Accepted, Apr. 2024. [PDF]

[J20] R. Singh, A. Kaushik, W. Shin, G. C. Alexandropoulos, M. Toka and M. Di Renzo, "Indexed Multiple Access with Reconfigurable Intelligent Surfaces: The Reflection Tuning Potential," IEEE Communications Magazine, vol. 62, no. 4, pp. 120-126, Apr. 2024. [Also accepted to be presented at Communications Magazine Track of the IEEE ICC 2024, Denver, CO, USA] [PDF] 

[J19] M. A. Jamshed, A. Kaushik, M. Toka, W. Shin, M. Z. Shakir, S. P. Dash and D. Dardari, "Synergizing Airborne Non-Terrestrial Networks and Reconfigurable Intelligent Surfaces-Aided 6G IoT," IEEE Internet of Things Magazine, vol. 7, no. 2, pp. 46-52, Mar. 2024. [PDF]

[J18] S. P. Dash and A. Kaushik, "RIS-Assisted 6G Wireless Communications: A Novel Statistical Framework in the Presence of Direct Channel," IEEE Communications Letters, vol. 28, no. 3, pp. 717-721, Mar. 2024. [PDF]

[J17] M. Toka, B. Lee, J. Seong, A. Kaushik, J. Lee, J. Lee, N. Lee, W. Shin and H. V. Poor, "RIS-Empowered LEO Satellite Networks for 6G: Promising Usage Scenarios and Future Directions," IEEE Communications Magazine, In Press/Accepted, Feb. 2024. [Also accepted to be presented at Communications Magazine Track of the IEEE ICC 2024, Denver, CO, USA] [PDF]

[J16] A. Basu, S. P. Dash, A. Kaushik, D. Ghose, M. Di Renzo and Y. C. Eldar, "Performance Analysis of RIS-Aided Index Modulation with Greedy Detection over Rician Fading Channels," IEEE Transactions on Wireless Communications, Early Access, Jan. 2024. [PDF]

[J15] L. Geng, H. Zhao, J. Wang, A. Kaushik, S. Yuan and W. Feng, "Deep Reinforcement Learning Based Distributed Computation Offloading in Vehicular Edge Computing Networks," IEEE Internet of Things Journal, vol. 10, no. 14, pp. 12416-12433, July 2023. [PDF]

[J14] Y. Hu, Y. Liu, A. Kaushik, C. Masouros  and J. Thompson , "Timely Data Collection for UAVs with a Deep Reinforcement Learning Algorithm in IoT Networks," IEEE Sensors Journal, vol. 23, no. 11, pp. 12295-12308, June 2023. [PDF]

[J13] H. Zhang, R. Liu, A. Kaushik and X. Gao, "Satellite Edge Computing with Collaborative Computation Offloading: An Intelligent Deep Deterministic Policy Gradient Approach," IEEE Internet of Things Journal, vol. 10, no. 10, pp. 9092-9107, May 2023. [PDF]

[J12] A. Kaushik, E. Vlachos, J. Thompson, M. Nekovee and F. Coutts, "Towards 6G: Spectrally Efficient Joint Radar and Communication with RF Selection, Interference and Hardware Impairments," IET Signal Processing, vol. 16, no. 7, pp. 851-863, Sept. 2022. [Invited Paper] [PDF]

[J11] X. Gao, R. Liu, A. Kaushik and H. Zhang, “Dynamic Resource Allocation for Virtual Network Function Placement in Satellite Edge Clouds,” IEEE Transactions on Network Science and Engineering, vol. 9, no. 4, pp. 2252-2265, July-Aug. 2022. [PDF]

[J10] O. Dizdar, A. Kaushik, B. Clerckx and C. Masouros, "Energy Efficient Dual-Functional Radar-Communication: Rate Splitting Multiple Access, Low-Resolution DACs, and RF Chain Selection," IEEE Open Journal of the Communications Society, vol. 3, pp. 986-1006, June 2022. [PDF]

[J9] X. Gao, R. Liu and A. Kaushik, “Virtual Network Function Placement in Satellite Edge Computing with a Potential Game Approach,” IEEE Transactions on Network and Service Management, vol. 19, no. 2, pp. 1243-1259, June 2022. [PDF]

[J8] X. Gao, R. Liu and A. Kaushik, “Service Chaining Placement Based on Satellite Mission Planning in Ground Station Networks,” IEEE Transactions on Network and Service Management, vol. 18, no. 3, pp. 3049-3063, Sept. 2021.  [PDF]

[J7] Y. Hu, R. Liu, A. Kaushik and J. Thompson, "Performance Analysis of NOMA Multicast Systems Based on Rateless Codes with Delay Constraints," IEEE Transactions on Wireless Communications, vol. 20, no. 8, pp. 5003-5017, Aug. 2021. [PDF]

[J6] X. Gao, R. Liu and A. Kaushik, “Hierarchical Multi-Agent Optimization for Resource Allocation in Cloud Computing Systems,” IEEE Transactions on Parallel and Distributed Systems, vol. 32, no. 3, pp. 692-707, Mar. 2021. [PDF]

[J5] A. Kaushik, E. Vlachos, C. Tsinos, J. Thompson and S. Chatzinotas, "Joint Bit Allocation and Hybrid Beamforming Optimization for Energy Efficient Millimeter Wave MIMO Systems," IEEE Transactions on Green Communications and Networking, vol. 5, no. 1, pp. 119-132, Mar. 2021. [Invited Paper] [PDF]

[J4] E. Vlachos, J. Thompson, A. Kaushik and C. Masouros, "Radio-Frequency Chain Selection for Energy and Spectral Efficiency Maximization in Hybrid Beamforming under Hardware Imperfections," Proceedings of the Royal Society A, vol. 476, no. 2244, pp. 1-20, Dec. 2020. [Invited Paper] [PDF]

[J3] H. Bian, R. Liu, A. Kaushik, Y. Hu and J. Thompson, “Design of Segmented CRC-Aided Spinal Codes for IoT Applications,” IET Communications, vol. 4, no. 20, pp. 3541-3548, Dec. 2020. [PDF]

[J2] A. Kaushik, J. Thompson, E. Vlachos, C. Tsinos and S. Chatzinotas, "Dynamic RF Chain Selection for Energy Efficient and Low Complexity Hybrid Beamforming in Millimeter Wave MIMO Systems," IEEE Transactions on Green Communications and Networking, vol. 3, no. 4, pp. 886-900, Dec. 2019. [PDF]

[J1] Y. Hu, L. Zhao, Z. Yan, A. Kaushik, Y. Hou and J. Thompson, “GatedNet: Neural Network Decoding for Decoding over Impulsive Noise Channels,” IEEE Communications Letters, vol. 23, no. 8, pp. 1381-1384, Aug. 2019. [PDF]

[BC6] S. Adhatarao, G. Karetsos, A. Kaushik, D. Lopez, Y. Chen and S. Watts et al., “NTN: Standardization status, gaps and open challenges,” in Non-Terrestrial Networks: Paving the way towards Global Connectivity, M. Z. Shakir and A. Kaushik (Eds.), to be published, Elsevier, Nov. 2024. 

[BC5] W. Belaoura, S. Manzoor, M. Z. Shakir and A. Kaushik, “RIS-enabled UAV Communications for Disaster Communications,” in Non-Terrestrial Networks: Paving the way towards Global Connectivity, M. Z. Shakir and A. Kaushik (Eds.), Elsevier, to be published, Nov. 2024.

[BC4] R. Singh, A. Kaushik, M. Dajer and M. Di Renzo, “ISAC Standardization and Synergies with Key Technology Enablers: Overview and Future Prospects,” in Integrated Sensing and Communications for Future Wireless Networks: Principles, Advances and Key Enabling Technologies, A. Kaushik (Ed.), Elsevier, In Press, Apr. 2024.

[BC3] E. Vlachos, A. Kaushik and G. C. Alexandropoulos, “Flexible Hybrid Precoding for Integrated Sensing and Communications,” in Integrated Sensing and Communications for Future Wireless Networks: Principles, Advances and Key Enabling Technologies, A. Kaushik (Ed.), Elsevier, In Press, Apr. 2024.

[BC2] M. A. Jamshed, A. Kaushik, M. Ur-Rehman and M. A. Imran, "Self-interference Suppression Techniques in Integrated Sensing and Communication Systems," in Integrated Sensing and Communications for Future Wireless Networks: Principles, Advances and Key Enabling Technologies, A. Kaushik (Ed.), Elsevier, In Press, Apr. 2024.

[BC1] C. Tsinos, S. P. Dash, A. Kaushik, A. Arora and M. Di Renzo, "RIS-aided Low Complexity Waveform Design for Joint Sensing and Communications," in Intelligent Spectrum Management: Towards 6G, S. Iyer, A. Kalla, O. L. A. Lopez, C. D. Alwis (Eds.), Wiley-IEEE Press, In Press, Jan. 2024.