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C. K. Sheemar · SciRah

Researcher profile · Semantic Scholar

C. K. Sheemar

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C. K. Sheemar — researcher profile on SciRah

h-index: 13
Works: 69
Citations: 578

Most-cited papers

RIS-Based Physical Layer Security for Integrated Sensing and Communication: A Comprehensive Survey
Yongxiao Li, Feroz Khan, Manzoor Ahmed, Aized Amin Soofi +4 more
2025IEEE Internet of Things Journal83 citations
Semantic Scholar
Reconfigurable Intelligent Surfaces for 6G Non-Terrestrial Networks: Assisting Connectivity from the Sky
W. Khan, A. Mahmood, C. K. Sheemar, Eva Lagunas +2 more
2023IEEE Internet of Things Magazine58 citations Open access
Semantic Scholar
Practical Hybrid Beamforming for Millimeter Wave Massive MIMO Full Duplex With Limited Dynamic Range
C. K. Sheemar, C. Thomas, D. Slock
2021IEEE Open Journal of the Communications Society41 citations Open access
Semantic Scholar
Full-Duplex-Enabled Joint Communications and Sensing with Reconfigurable Intelligent Surfaces
C. K. Sheemar, G. C. Alexandropoulos, D. Slock, J. Querol +1 more
2023European Signal Processing Conference29 citations Open access
Semantic Scholar
Survey on Beyond Diagonal RIS-Enabled 6G Wireless Networks: Fundamentals, Recent Advances, and Challenges
W. Khan, C. K. Sheemar, Manzoor Ahmed, M. di Renzo +6 more
2025IEEE Open Journal of the Communications Society23 citations Open access
Semantic Scholar
Holographic MIMO for Next Generation Non-Terrestrial Networks: Motivation, Opportunities, and Challenges
Giovanni Iacovelli, C. K. Sheemar, W. Khan, A. Mahmood +3 more
202423 citations
Semantic Scholar
Game-Theoretic Mode Scheduling for Dynamic TDD in 5G Systems
C. K. Sheemar, L. Badia, S. Tomasin
2021IEEE Communications Letters21 citations Open access
Semantic Scholar
5G NTN LEO based demonstrator using OpenAirInterface5G
Sumit Kumar, C. K. Sheemar, J. Querol, Turker Yilmaz +10 more
2024IET Conference Proceedings19 citations Open access
Semantic Scholar
Joint Beamforming and 3D Location Optimization for Multi-User Holographic UAV Communications
C. K. Sheemar, A. Mahmood, C. K. Thomas, George C. Alexandropoulos +3 more
2025IEEE Transactions on Communications15 citations Open access
Semantic Scholar
Hybrid Beamforming and Combining for Millimeter Wave Full Duplex Massive MIMO Interference Channel
C. K. Sheemar, D. Slock
2021Global Communications Conference15 citations Open access
Semantic Scholar
Enhancing Physical Layer Security in Cognitive Radio-Enabled NTNs with Beyond Diagonal RIS
W. Khan, C. K. Sheemar, Eva Lagunas, S. Chatzinotas
2025International Mediterranean Conference on Communications and Networking14 citations Open access
Semantic Scholar
Beyond Diagonal IRS Assisted Ultra Massive THz Systems: A Low Resolution Approach
W. Khan, C. K. Sheemar, Zaid Abdullah, Eva Lagunas +1 more
2024IEEE International Symposium on Personal, Indoor and Mobile Radio Communications14 citations Open access
Semantic Scholar
Full Duplex Joint Communications and Sensing for 6G: Opportunities and Challenges
C. K. Sheemar, Sourabh Solanki, Eva Lagunas, J. Querol +2 more
2023arXiv.org13 citations Open access
Semantic Scholar
Holographic Joint Communications and Sensing With Cramér-Rao Bounds
C. K. Sheemar, W. Khan, George C. Alexandropoulos, J. Querol +1 more
2025IEEE Journal on Selected Areas in Communications12 citations Open access
Semantic Scholar
Joint Communications and Sensing for 6G Satellite Networks: Use Cases and Challenges
C. K. Sheemar, P. Thiruvasagam, W. Khan, Sourabh Solanki +5 more
202512 citations
Semantic Scholar
Massive MIMO mmWave Full Duplex Relay for IAB with Limited Dynamic Range
C. K. Sheemar, D. Slock
2021International Conference on New Technologies, Mobility and Security12 citations
Semantic Scholar
Receiver Design and AGC optimization with Self Interference Induced Saturation
C. K. Sheemar, D. Slock
2020IEEE International Conference on Acoustics, Speech, and Signal Processing12 citations
Semantic Scholar
Towards Massive MIMO In-Band Full Duplex Radio
P. Rosson, C. K. Sheemar, Neharika Valecha, D. Slock
2019International Symposium on Wireless Communication Systems12 citations
Semantic Scholar
Joint Holographic Beamforming and User Scheduling With Individual QoS Constraints
C. K. Sheemar, C. K. Thomas, George C. Alexandropoulos, J. Querol +2 more
2025IEEE Transactions on Vehicular Technology11 citations Open access
Semantic Scholar
Beyond Diagonal RIS: A New Frontier for 6G Internet of Things Networks
W. Khan, C. K. Sheemar, Eva Lagunas, S. Chatzinotas
2026IEEE Internet of Things Magazine10 citations Open access
Semantic Scholar
Beamforming for Bidirectional Mimo Full Duplex Under the Joint Sum Power and Per Antenna Power Constraints
C. K. Sheemar, D. Slock
2021IEEE International Conference on Acoustics, Speech, and Signal Processing10 citations
Semantic Scholar
Minimum Mean Squared Error Holographic Beamforming for Sum-Rate Maximization
C. K. Sheemar, W. Khan, George C. Alexandropoulos, Manzoor Ahmed +1 more
2025IEEE Wireless Communications Letters9 citations Open access
Semantic Scholar
A Survey on Stacked Intelligent Metasurfaces: Fundamentals, Recent Advances, and Challenges
C. K. Sheemar, W. Khan, Sourabh Solanki, George C. Alexandropoulos +1 more
2026arXiv.org8 citations
Semantic Scholar
Experimental Study of the Effects of RLC Modes for 5G-NTN Applications Using OpenAirInterface5G
Sumit Kumar, C. K. Sheemar, J. Querol, Amirhossein Nik +1 more
20232023 IEEE Globecom Workshops (GC Wkshps)8 citations Open access
Semantic Scholar
Beyond Diagonal RIS Enhanced Cognitive Radio Enabled Multilayer Non-Terrestrial Networks
W. Khan, C. K. Sheemar, Eva Lagunas, S. Chatzinotas
2025arXiv.org7 citations
Semantic Scholar
Adaptive Timers and Buffer Optimization for Layer-2 Protocols in 5G Non-Terrestrial Networks
C. K. Sheemar, Sumit Kumar, J. Querol, S. Chatzinotas
2023International Conference on Software, Telecommunications and Computer Networks7 citations Open access
Semantic Scholar
Parallel and Distributed Hybrid Beamforming for Multicell Millimeter Wave MIMO Full Duplex
C. K. Sheemar, S. Chatzinotas, D. Slock, Eva Lagunas +1 more
2021IEEE Transactions on Vehicular Technology7 citations Open access
Semantic Scholar
RIS-Enabled Joint Communications and Sensing in 6G NTNs: Opportunities and Challenges
W. Khan, C. K. Sheemar, M. A. Jamshed, Eva Lagunas +3 more
2026IEEE Open Journal of the Communications Society6 citations Open access
Semantic Scholar
Joint Communications, Sensing, and Positioning in 6G Multi-Functional Satellite Systems: Survey and Open Challenges
C. K. Sheemar, J. Querol, W. Khan, P. Thiruvasagam +6 more
20256 citations
Semantic Scholar
Reflecting Intelligent Surfaces Assisted High-Rank Ultra Massive MIMO Terahertz Channels
C. K. Sheemar, Sourabh Solanki, W. Khan, Zaid Abdullah +2 more
2024IEEE Wireless Communications and Networking Conference6 citations
Semantic Scholar
IRS Assisted MIMO Full Duplex: Rate Analysis and Beamforming Under Imperfect CSI
C. K. Sheemar, Sourabh Solanki, J. Querol, Sumit Kumar +1 more
2023IEEE Open Journal of the Communications Society6 citations Open access
Semantic Scholar
Deep Reinforcement Learning for Backscatter Communications: Augmenting Intelligence in Future Internet of Things
W. Khan, Eva Lagunas, Zain Ali, A. Mahmood +5 more
2023IEEE Internet of Things Magazine6 citations Open access
Semantic Scholar
Near-Field Intelligent Reflecting Surfaces for Millimeter Wave MIMO Full Duplex
C. K. Sheemar, S. Tomasin, D. Slock, S. Chatzinotas
2022arXiv.org5 citations Open access
Semantic Scholar
Swarm Intelligence Optimization of Multi-RIS Aided MmWave Beamspace MIMO
Zaid Abdullah, Mario R. Camana, A. B. M. Adam, C. K. Sheemar +2 more
20252025 IEEE 101st Vehicular Technology Conference (VTC2025-Spring)4 citations Open access
Semantic Scholar
Secrecy Rate Maximization for 6G Reconfigurable Holographic Surfaces Assisted Systems
C. K. Sheemar, W. Khan, M. di Renzo, A. Mahmood +2 more
20254 citations
Semantic Scholar
Robust Beamforming for IRS Aided MIMO Full Duplex Systems
C. K. Sheemar, J. Querol, Sourabh Solanki, Sumit Kumar +1 more
2023Global Communications Conference4 citations Open access
Semantic Scholar
Hybrid Beamforming Techniques for Massive MIMO Full Duplex Radio Systems. (Techniques de Beamforming Hybride pour les Systèmes Radio Massivement MIMO en Full Duplex)
C. K. Sheemar
20224 citations
Semantic Scholar
Holographic Mimo for Next-Generation Nonterrestrial Networks: Motivation, Opportunities, and Challenges
Giovanni Iacovelli, C. K. Sheemar, W. Khan, A. Mahmood +3 more
2026IEEE Vehicular Technology Magazine3 citations Open access
Semantic Scholar
Multilayer Non-Terrestrial Networks with Spectrum Access aided by Beyond-Diagonal RIS
W. Khan, C. K. Sheemar, Eva Lagunas, Xing-Wang Li +3 more
20253 citations
Semantic Scholar
Intelligent Reflecting Surfaces Assisted Millimeter Wave MIMO Full Duplex Systems
C. K. Sheemar, S. Tomasin, D. Slock, S. Chatzinotas
2022IEEE Vehicular Technology Conference3 citations Open access
Semantic Scholar
Wavenumber-Domain Virtual Arrays for Holographic Near-Field Localization
Giovanni Iacovelli, C. K. Sheemar, S. Chatzinotas
20262 citations
Semantic Scholar
Multi-Modal Foundation Models for Space-Air-Ground Integrated 6G and Beyond Networks: A Survey and Tutorial
W. Khan, Muhammad Adil, Jahanzaib Malik, C. K. Sheemar +3 more
2026IEEE Open Journal of the Communications Society2 citations Open access
Semantic Scholar
Integrated Aerial Access and Backhaul with THz-Noma for 6G Networks
Pola Preetham, Pranay Utpal, Sandeep Thota, Sourabh Solanki +3 more
20252025 IEEE Future Networks World Forum (FNWF)2 citations
Semantic Scholar
Multi-Active RIS-Assisted THz Cell-Free Systems: Spectral and Energy Efficiency Tradeoff
Mario R. Camana, Zaid Abdullah, Carla E. Garcia, C. K. Sheemar +2 more
2025IEEE Transactions on Green Communications and Networking2 citations Open access
Semantic Scholar
Location dependent allocation of timers and buffers at layer-2 in LEO based 5G-NTN
C. K. Sheemar, Sumit Kumar, J. Querol, S. Chatzinotas
2024IET Conference Proceedings2 citations Open access
Semantic Scholar
Demonstration of Safe Electromagnetic Radiation Emitted by 5G Active Antenna Systems
Sumit Kumar, C. K. Sheemar, A. Astro, J. Querol +1 more
2024arXiv.org2 citations
Semantic Scholar
Per-Link Parallel and Distributed Hybrid Beamforming for Multi-User Multi-Cell Massive MIMO Millimeter Wave Full Duplex
C. K. Sheemar, D. Slock
20212 citations
Semantic Scholar
Mutual-Coupling-Aware Movable and Fluid Antennas on Holographic Surfaces: A Wavenumber-Domain Circuit-Field Unification
Giovanni Iacovelli, C. K. Sheemar, S. Chatzinotas
20261 citations
Semantic Scholar
Max-Min Spectral Efficiency Optimization for Beyond-Diagonal RIS-Assisted Communications
Giovanni Iacovelli, C. K. Sheemar, A. Mahmood, Eva Lagunas +1 more
2026IEEE Transactions on Vehicular Technology1 citations Open access
Semantic Scholar
Energy Efficient Multi-User Beamforming and 3D Position Optimization for SIM-Assisted UAVs
C. K. Sheemar, Giovanni Iacovelli, Sourabh Solanki, W. Khan +2 more
20261 citations
Semantic Scholar

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