Anastasios K. Papazafeiropoulos

154 papers B 18Misc 1Journal 120Unranked 15
YearRankTypeTitle / Venue / Authors
2026 J jnl
FRIEND: Federated Learning for Joint Optimization of multi-RIS Configuration and Eavesdropper Intelligent Detection in B5G Networks.
CoRR
Maria-Lamprini A. Bartsioka, Ioannis A. Bartsiokas, Anastasios K. Papazafeiropoulos, Maria A. Seimeni, Dimitra I. Kaklamani, Iakovos S. Venieris
2026 J jnl
Flexible Intelligent Metasurface for Downlink Communications Under Statistical CSI.
IEEE Wirel. Commun. Lett.
Vaibhav Kumar, Anastasios K. Papazafeiropoulos, Pandelis Kourtessis, John M. Senior, Marwa Chafii, Dimitra I. Kaklamani, Iakovos S. Venieris
2026 J jnl
On the Ergodic Capacity for SIM-Aided Holographic MIMO Communications.
IEEE Wirel. Commun. Lett.
Anastasios K. Papazafeiropoulos, Ioannis A. Bartsiokas, Dimitra I. Kaklamani, Iakovos S. Venieris
2025 J jnl
A Federated Learning Scheme for Eavesdropper Detection in B5G - IIoT Network Orientations.
IEEE Open J. Commun. Soc.
Maria-Lamprini A. Bartsioka, Ioannis A. Bartsiokas, Panagiotis K. Gkonis, Anastasios K. Papazafeiropoulos, Dimitra-Theodora I. Kaklamani, Iakovos S. Venieris
2025 J jnl
Channel Estimation for Stacked Intelligent Metasurfaces in Rician Fading Channels.
CoRR
Anastasios K. Papazafeiropoulos, Pandelis Kourtessis, Dimitra I. Kaklamani, Iakovos S. Venieris
2025 J jnl
Channel Estimation for Stacked Intelligent Metasurfaces in Rician Fading Channels.
IEEE Wirel. Commun. Lett.
Anastasios K. Papazafeiropoulos, Pandelis Kourtessis, Dimitra I. Kaklamani, Iakovos S. Venieris
2025 J jnl
Ergodic Mutual Information and Outage Probability for SIM-Assisted Holographic MIMO Communications.
CoRR
Anastasios K. Papazafeiropoulos, Pandelis Kourtessis, Dimitra I. Kaklamani, Iakovos S. Venieris
2025 J jnl
Flexible Intelligent Metasurface for Downlink Communications under Statistical CSI.
CoRR
Vaibhav Kumar, Anastasios K. Papazafeiropoulos, Pandelis Kourtessis, John Senior, Marwa Chafii, Dimitra I. Kaklamani, Iakovos S. Venieris
2025 J jnl
On the Ergodic Capacity for SIM-Aided Holographic MIMO Communications.
CoRR
Anastasios K. Papazafeiropoulos, Ioannis A. Bartsiokas, Dimitra I. Kaklamani, Iakovos S. Venieris
2025 B conf
On the Mutual Information of Large Stacked Intelligent Metasurfaces Based on Statistical CSI.
PIMRC
Anastasios K. Papazafeiropoulos, Ioannis A. Bartsiokas, Pandelis Kourtessis, Dimitra I. Kaklamani, Iakovos S. Venieris
2025 J jnl
Performance of Double-Stacked Intelligent Metasurface-Assisted Multiuser Massive MIMO Communications in the Wave Domain.
IEEE Trans. Wirel. Commun.
Anastasios K. Papazafeiropoulos, Pandelis Kourtessis, Symeon Chatzinotas, Dimitra I. Kaklamani, Iakovos S. Venieris
2025 J jnl
STARS-Enabled Full-Duplex Two-Way mMIMO System Under Spatially-Correlated Channels.
CoRR
Anastasios K. Papazafeiropoulos, Pandelis Kourtessis, Symeon Chatzinotas, Dimitra I. Kaklamani, Iakovos S. Venieris
2025 J jnl
STARS-Enabled Full-Duplex Two-Way mMIMO System Under Spatially-Correlated Channels.
IEEE Trans. Veh. Technol.
Anastasios K. Papazafeiropoulos, Pandelis Kourtessis, Symeon Chatzinotas, Dimitra I. Kaklamani, Iakovos S. Venieris
2024 J jnl
A Rate-Splitting Strategy for STAR-RIS-Aided Massive MIMO Systems With Joint Optimization.
IEEE Syst. J.
Hanxiao Ge, Anastasios K. Papazafeiropoulos, Navneet Garg, Tharmalingam Ratnarajah
2024 J jnl
Achievable Rate Optimization for Large Stacked Intelligent Metasurfaces Based on Statistical CSI.
CoRR
Anastasios K. Papazafeiropoulos, Pandelis Kourtessis, Symeon Chatzinotas, Dimitra I. Kaklamani, Iakovos S. Venieris
2024 J jnl
Achievable Rate Optimization for Large Stacked Intelligent Metasurfaces Based on Statistical CSI.
IEEE Wirel. Commun. Lett.
Anastasios K. Papazafeiropoulos, Pandelis Kourtessis, Symeon Chatzinotas, Dimitra I. Kaklamani, Iakovos S. Venieris
2024 J jnl
Achievable Rate Optimization for Stacked Intelligent Metasurface-Assisted Holographic MIMO Communications.
IEEE Trans. Wirel. Commun.
Anastasios K. Papazafeiropoulos, Jiancheng An, Pandelis Kourtessis, Tharmalingam Ratnarajah, Symeon Chatzinotas
2024 J jnl
Achievable Rate of a STAR-RIS Assisted Massive MIMO System Under Spatially-Correlated Channels.
IEEE Trans. Wirel. Commun.
Anastasios K. Papazafeiropoulos, Le-Nam Tran, Zaid Abdullah, Pandelis Kourtessis, Symeon Chatzinotas
2024 J jnl
Cooperative Hybrid Networks with Active Relays and RISs for B5G: Applications, Challenges, and Research Directions.
IEEE Wirel. Commun.
Zaid Abdullah, Steven Kisseleff, Wallace Alves Martins, Gaojie Chen, Luca Sanguinetti, Konstantinos Ntontin, Anastasios K. Papazafeiropoulos, Symeon Chatzinotas, Björn E. Ottersten
2024 J jnl
Effect of Channel Aging on Beyond Diagonal Reconfigurable Intelligent Surfaces.
IEEE Open J. Commun. Soc.
Anastasios K. Papazafeiropoulos, Pandelis Kourtessis, Symeon Chatzinotas
2024 J jnl
Impact of Phase Noise in Downlink STAR-RIS-Aided Massive MIMO Systems.
IEEE Commun. Lett.
Hanxiao Ge, Anastasios K. Papazafeiropoulos, Tharmalingam Ratnarajah
2024 J jnl
Max-Min SINR Analysis of STAR-RIS Assisted Massive MIMO Systems With Hardware Impairments.
IEEE Trans. Wirel. Commun.
Anastasios K. Papazafeiropoulos, Pandelis Kourtessis, Symeon Chatzinotas
2024 J jnl
Near-Field Beamforming for Stacked Intelligent Metasurfaces-Assisted MIMO Networks.
IEEE Wirel. Commun. Lett.
Anastasios K. Papazafeiropoulos, Pandelis Kourtessis, Symeon Chatzinotas, Dimitra I. Kaklamani, Iakovos S. Venieris
2024 J jnl
Near-Field Beamforming for Stacked Intelligent Metasurfaces-assisted MIMO Networks.
CoRR
Anastasios K. Papazafeiropoulos, Pandelis Kourtessis, Symeon Chatzinotas, Dimitra I. Kaklamani, Iakovos S. Venieris
2024 J jnl
Performance of Double-Stacked Intelligent Metasurface-Assisted Multiuser Massive MIMO Communications in the Wave Domain.
CoRR
Anastasios K. Papazafeiropoulos, Pandelis Kourtessis, Symeon Chatzinotas, Dimitra I. Kaklamani, Iakovos S. Venieris
2024 — conf
Resource Allocation for Geographical Fairness in Multi-RIS-Aided Outdoor-to-Indoor Communications.
ICC
Progress Zivuku, Steven Kisseleff, Konstantinos Ntontin, Anastasios K. Papazafeiropoulos, Abuzar Babikir Mohammad Adam, Symeon Chatzinotas, Björn E. Ottersten
2024 J jnl
STAR-RIS Assisted Cell-Free Massive MIMO System Under Spatially-Correlated Channels.
IEEE Trans. Veh. Technol.
Anastasios K. Papazafeiropoulos, Hien Quoc Ngo, Pandelis Kourtessis, Symeon Chatzinotas
2024 J jnl
STAR-RIS-Assisted Communication Radar Coexistence: Analysis and Optimization.
CoRR
Anastasios K. Papazafeiropoulos, Pandelis Kourtessis, Symeon Chatzinotas
2024 J jnl
STAR-RIS-Assisted Communication Radar Coexistence: Analysis and Optimization.
IEEE Trans. Veh. Technol.
Anastasios K. Papazafeiropoulos, Pandelis Kourtessis, Symeon Chatzinotas
2024 J jnl
Stacked Intelligent Metasurfaces for Integrated Sensing and Communications.
CoRR
Haoxian Niu, Jiancheng An, Anastasios K. Papazafeiropoulos, Lu Gan, Symeon Chatzinotas, Mérouane Debbah
2024 J jnl
Stacked Intelligent Metasurfaces for Integrated Sensing and Communications.
IEEE Wirel. Commun. Lett.
Haoxian Niu, Jiancheng An, Anastasios K. Papazafeiropoulos, Lu Gan, Symeon Chatzinotas, Mérouane Debbah
2024 J jnl
Two-Timescale Design for Active STAR-RIS Aided Massive MIMO Systems.
CoRR
Anastasios K. Papazafeiropoulos, Hanxiao Ge, Pandelis Kourtessis, Tharmalingam Ratnarajah, Symeon Chatzinotas, Symeon Papavassiliou
2024 J jnl
Two-Timescale Design for Active STAR-RIS Aided Massive MIMO Systems.
IEEE Trans. Veh. Technol.
Anastasios K. Papazafeiropoulos, Hanxiao Ge, Pandelis Kourtessis, Tharmalingam Ratnarajah, Symeon Chatzinotas, Symeon Papavassiliou
2023 — conf
A Low-Complexity Solution to Sum Rate Maximization for IRS-assisted SWIPT-MIMO Broadcasting.
VTC2023-Spring
Vaibhav Kumar, Anastasios K. Papazafeiropoulos, Muhammad Fainan Hanif, Le-Nam Tran, Mark F. Flanagan
2023 — conf
A Rate-Splitting Approach for RIS-Aided Massive MIMO Networks with Transceiver Design.
SPAWC
Hanxiao Ge, Navneet Garg, Anastasios K. Papazafeiropoulos, Tharmalingam Ratnarajah
2023 J jnl
Achievable Rate of a STAR-RIS Assisted Massive MIMO System Under Spatially-Correlated Channels.
CoRR
Anastasios K. Papazafeiropoulos, Le-Nam Tran, Zaid Abdullah, Pandelis Kourtessis, Symeon Chatzinotas
2023 J jnl
Asymptotic Analysis of Max-Min Weighted SINR for IRS-Assisted MISO Systems With Hardware Impairments.
IEEE Wirel. Commun. Lett.
Anastasios K. Papazafeiropoulos, Cunhua Pan, Ahmet M. Elbir, Van-Dinh Nguyen, Pandelis Kourtessis, Symeon Chatzinotas
2023 J jnl
Cooperative RIS and STAR-RIS Assisted mMIMO Communication: Analysis and Optimization.
IEEE Trans. Veh. Technol.
Anastasios K. Papazafeiropoulos, Ahmet M. Elbir, Pandelis Kourtessis, Ioannis Krikidis, Symeon Chatzinotas
2023 J jnl
Cooperative RIS and STAR-RIS assisted mMIMO Communication: Analysis and Optimization.
CoRR
Anastasios K. Papazafeiropoulos, Ahmet M. Elbir, Pandelis Kourtessis, Ioannis Krikidis, Symeon Chatzinotas
2023 J jnl
Impact of Channel Aging on Reconfigurable Intelligent Surface Aided Massive MIMO Systems With Statistical CSI.
IEEE Trans. Veh. Technol.
Anastasios K. Papazafeiropoulos, Ioannis Krikidis, Pandelis Kourtessis
2023 — conf
Implicit Channel Learning For Machine Learning Applications In 6G Wireless Networks.
ICASSP Workshops
Ahmet M. Elbir, Wei Shi, Kumar Vijay Mishra, Anastasios K. Papazafeiropoulos, Symeon Chatzinotas
2023 J jnl
Max-Min SINR Analysis of STAR-RIS Assisted Massive MIMO Systems with Hardware Impairments.
CoRR
Anastasios K. Papazafeiropoulos, Pandelis Kourtessis, Symeon Chatzinotas
2023 J jnl
Near-Field Terahertz Communications: Model-Based and Model-Free Channel Estimation.
IEEE Access
Ahmet M. Elbir, Wei Shi, Anastasios K. Papazafeiropoulos, Pandelis Kourtessis, Symeon Chatzinotas
2023 J jnl
Near-Field Terahertz Communications: Model-Based and Model-Free Channel Estimation.
CoRR
Ahmet M. Elbir, Wei Shi, Anastasios K. Papazafeiropoulos, Pandelis Kourtessis, Symeon Chatzinotas
2023 J jnl
STAR-RIS Assisted Cell-Free Massive MIMO System Under Spatially-Correlated Channels.
CoRR
Anastasios K. Papazafeiropoulos, Hien Quoc Ngo, Pandelis Kourtessis, Symeon Chatzinotas
2023 J jnl
Terahertz-Band Channel and Beam Split Estimation via Array Perturbation Model.
IEEE Open J. Commun. Soc.
Ahmet M. Elbir, Wei Shi, Anastasios K. Papazafeiropoulos, Pandelis Kourtessis, Symeon Chatzinotas
2023 J jnl
Transceiver Design for IRS-Aided Massive MIMO Networks With Rate-Splitting.
IEEE Access
Hanxiao Ge, Navneet Garg, Anastasios K. Papazafeiropoulos, Tharmalingam Ratnarajah
2023 J jnl
Wireless Energy Harvesting for Autonomous Reconfigurable Intelligent Surfaces.
IEEE Trans. Green Commun. Netw.
Konstantinos Ntontin, Alexandros-Apostolos A. Boulogeorgos, Emil Björnson, Wallace Alves Martins, Steven Kisseleff, Sergi Abadal, Eduard Alarcón, Anastasios K. Papazafeiropoulos, Fotis I. Lazarakis, Symeon Chatzinotas
2022 J jnl
A Hybrid Architecture for Federated and Centralized Learning.
IEEE Trans. Cogn. Commun. Netw.
Ahmet M. Elbir, Sinem Coleri, Anastasios K. Papazafeiropoulos, Pandelis Kourtessis, Symeon Chatzinotas
2022 J jnl
Cooperative Hybrid Networks with Active Relays and RISs for B5G: Applications, Challenges, and Research Directions.
CoRR
Zaid Abdullah, Steven Kisseleff, Wallace Alves Martins, Gaojie Chen, Luca Sanguinetti, Konstantinos Ntontin, Anastasios K. Papazafeiropoulos, Symeon Chatzinotas, Björn E. Ottersten
2022 J jnl
Coverage Probability of Double-IRS Assisted Communication Systems.
IEEE Wirel. Commun. Lett.
Anastasios K. Papazafeiropoulos, Pandelis Kourtessis, Symeon Chatzinotas, John M. Senior
2022 J jnl
Coverage Probability of STAR-RIS assisted Massive MIMO systems with Correlation and Phase Errors.
CoRR
Anastasios K. Papazafeiropoulos, Zaid Abdullah, Pandelis Kourtessis, Steven Kisseleff, Ioannis Krikidis
2022 J jnl
Coverage Probability of STAR-RIS-Assisted Massive MIMO Systems With Correlation and Phase Errors.
IEEE Wirel. Commun. Lett.
Anastasios K. Papazafeiropoulos, Zaid Abdullah, Pandelis Kourtessis, Steven Kisseleff, Ioannis Krikidis
2022 J jnl
Ergodic Capacity of IRS-Assisted MIMO Systems With Correlation and Practical Phase-Shift Modeling.
IEEE Wirel. Commun. Lett.
Anastasios K. Papazafeiropoulos
2022 J jnl
Impact of Channel Aging on Reconfigurable Intelligent Surface Aided Massive MIMO Systems with Statistical CSI.
CoRR
Anastasios K. Papazafeiropoulos, Ioannis Krikidis, Pandelis Kourtessis
2022 J jnl
Impact of Phase-Noise and Spatial Correlation on Double-RIS-Assisted Multiuser MISO Networks.
CoRR
Zaid Abdullah, Anastasios K. Papazafeiropoulos, Steven Kisseleff, Symeon Chatzinotas, Björn E. Ottersten
2022 J jnl
Impact of Phase-Noise and Spatial Correlation on Double-RIS-Assisted Multiuser MISO Networks.
IEEE Wirel. Commun. Lett.
Zaid Abdullah, Anastasios K. Papazafeiropoulos, Steven Kisseleff, Symeon Chatzinotas, Björn E. Ottersten
2022 J jnl
Implicit Channel Learning for Machine Learning Applications in 6G Wireless Networks.
CoRR
Ahmet M. Elbir, Wei Shi, Kumar Vijay Mishra, Anastasios K. Papazafeiropoulos, Symeon Chatzinotas
2022 J jnl
Intelligent Reflecting Surface-Assisted MU-MISO Systems With Imperfect Hardware: Channel Estimation and Beamforming Design.
IEEE Trans. Wirel. Commun.
Anastasios K. Papazafeiropoulos, Cunhua Pan, Pandelis Kourtessis, Symeon Chatzinotas, John M. Senior
2022 J jnl
Joint Spatial Division and Multiplexing for FDD in Intelligent Reflecting Surface-Assisted Massive MIMO Systems.
IEEE Trans. Veh. Technol.
Anastasios K. Papazafeiropoulos, Pandelis Kourtessis, Konstantinos Ntontin, Symeon Chatzinotas
2022 J jnl
Joint Spatial Division and Multiplexing for FDD in Intelligent Reflecting Surface-assisted Massive MIMO Systems.
CoRR
Anastasios K. Papazafeiropoulos, Pandelis Kourtessis, Konstantinos Ntontin, Symeon Chatzinotas
2022 — conf
Power Control in massive MIMO Networks Using Transfer Learning with Deep Neural Networks.
CAMAD
Neda Ahmadi, Iosif Mporas, Anastasios K. Papazafeiropoulos, Pandelis Kourtessis, John M. Senior
2022 J jnl
STAR-RIS Assisted Full-Duplex Systems: Impact of Correlation and Maximization.
IEEE Commun. Lett.
Anastasios K. Papazafeiropoulos, Pandelis Kourtessis, Ioannis Krikidis
2022 J jnl
Terahertz-Band Channel and Beam Split Estimation via Array Perturbation Model.
CoRR
Ahmet M. Elbir, Wei Shi, Anastasios K. Papazafeiropoulos, Pandelis Kourtessis, Symeon Chatzinotas
2021 J jnl
Asymptotic Analysis of Max-Min Weighted SINR for IRS-Assisted MISO Systems with Hardware Impairments.
CoRR
Anastasios K. Papazafeiropoulos, Cunhua Pan, Ahmet M. Elbir, Van-Dinh Nguyen, Pandelis Kourtessis, Symeon Chatzinotas
2021 J jnl
Coverage Probability of Distributed IRS Systems Under Spatially Correlated Channels.
CoRR
Anastasios K. Papazafeiropoulos, Cunhua Pan, Ahmet M. Elbir, Pandelis Kourtessis, Symeon Chatzinotas, John M. Senior
2021 J jnl
Coverage Probability of Distributed IRS Systems Under Spatially Correlated Channels.
IEEE Wirel. Commun. Lett.
Anastasios K. Papazafeiropoulos, Cunhua Pan, Ahmet M. Elbir, Pandelis Kourtessis, Symeon Chatzinotas, John M. Senior
2021 J jnl
Coverage Probability of Double-IRS Assisted Communication Systems.
CoRR
Anastasios K. Papazafeiropoulos, Pandelis Kourtessis, Symeon Chatzinotas, John M. Senior
2021 J jnl
Ergodic Capacity of IRS-Assisted MIMO Systems with Correlation and Practical Phase-Shift Modeling.
CoRR
Anastasios K. Papazafeiropoulos
2021 J jnl
Federated Learning for Physical Layer Design.
IEEE Commun. Mag.
Ahmet M. Elbir, Anastasios K. Papazafeiropoulos, Symeon Chatzinotas
2021 J jnl
Federated Learning for Physical Layer Design.
CoRR
Ahmet M. Elbir, Anastasios K. Papazafeiropoulos, Symeon Chatzinotas
2021 — conf
Impact of IRS Phase Noise on Channel Estimation and Beamforming Design of Large MU-MISO Systems.
ICC
Anastasios K. Papazafeiropoulos, Pandelis Kourtessis, Symeon Chatzinotas, John M. Senior
2021 J jnl
Intelligent Reflecting Surface-assisted MU-MISO Systems with Imperfect Hardware: Channel Estimation, Beamforming Design.
CoRR
Anastasios K. Papazafeiropoulos, Cunhua Pan, Pandelis Kourtessis, Symeon Chatzinotas, John M. Senior
2021 J jnl
Multipair Two-Way DF Relaying With Cell-Free Massive MIMO.
IEEE Open J. Commun. Soc.
Anastasios K. Papazafeiropoulos, Pandelis Kourtessis, Symeon Chatzinotas, John M. Senior
2021 J jnl
Multipair Two-Way DF Relaying with Cell-Free Massive MIMO.
CoRR
Anastasios K. Papazafeiropoulos, Pandelis Kourtessis, Symeon Chatzinotas, John M. Senior
2021 J jnl
Outage Probability Analysis of IRS-Assisted Systems Under Spatially Correlated Channels.
CoRR
Trinh Van Chien, Anastasios K. Papazafeiropoulos, Lam-Thanh Tu, Ribhu Chopra, Symeon Chatzinotas, Björn E. Ottersten
2021 J jnl
Outage Probability Analysis of IRS-Assisted Systems Under Spatially Correlated Channels.
IEEE Wirel. Commun. Lett.
Trinh Van Chien, Anastasios K. Papazafeiropoulos, Lam-Thanh Tu, Ribhu Chopra, Symeon Chatzinotas, Björn E. Ottersten
2021 J jnl
Scalable Cell-Free Massive MIMO Systems: Impact of Hardware Impairments.
CoRR
Anastasios K. Papazafeiropoulos, Emil Björnson, Pandelis Kourtessis, Symeon Chatzinotas, John M. Senior
2021 J jnl
Scalable Cell-Free Massive MIMO Systems: Impact of Hardware Impairments.
IEEE Trans. Veh. Technol.
Anastasios K. Papazafeiropoulos, Emil Björnson, Pandelis Kourtessis, Symeon Chatzinotas, John M. Senior
2021 J jnl
Toward Autonomous Reconfigurable Intelligent Surfaces Through Wireless Energy Harvesting.
CoRR
Konstantinos Ntontin, Alexandros-Apostolos A. Boulogeorgos, Emil Björnson, Dimitrios Selimis, Wallace Alves Martins, Steven Kisseleff, Sergi Abadal, Eduard Alarcón, Anastasios K. Papazafeiropoulos, Fotis I. Lazarakis, Angeliki Alexiou, Symeon Chatzinotas
2021 J jnl
Towards Optimal Energy Efficiency in Cell-Free Massive MIMO Systems.
IEEE Trans. Green Commun. Netw.
Anastasios K. Papazafeiropoulos, Hien Quoc Ngo, Pandelis Kourtessis, Symeon Chatzinotas, John M. Senior
2021 J jnl
Towards the assessment of realistic hybrid precoding in millimeter wave MIMO systems with hardware impairments.
IET Commun.
Anastasios K. Papazafeiropoulos, Georgios K. Papageorgiou, Oluwatayo Y. Kolawole, Pandelis Kourtessis, Symeon Chatzinotas, John M. Senior, Mathini Sellathurai, Tharmalingam Ratnarajah
2021 J jnl
Uplink Performance Analysis of Cell-Free mMIMO Systems Under Channel Aging.
IEEE Commun. Lett.
Ribhu Chopra, Chandra R. Murthy, Anastasios K. Papazafeiropoulos
2021 J jnl
Uplink Performance Analysis of Cell-Free mMIMO Systems under Channel Aging.
CoRR
Ribhu Chopra, Chandra R. Murthy, Anastasios K. Papazafeiropoulos
2020 — conf
Coverage Probability of Cell-Free Massive MIMO Systems.
BlackSeaCom
Anastasios K. Papazafeiropoulos, Pandelis Kourtessis, Marco Di Renzo, Symeon Chatzinotas, John M. Senior
2020 J jnl
Deep Channel Learning For Large Intelligent Surfaces Aided mm-Wave Massive MIMO Systems.
CoRR
Ahmet M. Elbir, Anastasios K. Papazafeiropoulos, Pandelis Kourtessis, Symeon Chatzinotas
2020 J jnl
Deep Channel Learning for Large Intelligent Surfaces Aided mm-Wave Massive MIMO Systems.
IEEE Wirel. Commun. Lett.
Ahmet M. Elbir, Anastasios K. Papazafeiropoulos, Pandelis Kourtessis, Symeon Chatzinotas
2020 J jnl
Hybrid Precoding for Multiuser Millimeter Wave Massive MIMO Systems: A Deep Learning Approach.
IEEE Trans. Veh. Technol.
Ahmet M. Elbir, Anastasios K. Papazafeiropoulos
2020 B conf
Optimal Energy Efficiency in Cell-Free Massive MIMO Systems: A Stochastic Geometry Approach.
PIMRC
Anastasios K. Papazafeiropoulos, Hien Quoc Ngo, Pandelis Kourtessis, Symeon Chatzinotas, John M. Senior
2020 J jnl
Performance Analysis of Cell-Free Massive MIMO Systems: A Stochastic Geometry Approach.
CoRR
Anastasios K. Papazafeiropoulos, Pandelis Kourtessis, Marco Di Renzo, Symeon Chatzinotas, John M. Senior
2020 J jnl
Performance Analysis of Cell-Free Massive MIMO Systems: A Stochastic Geometry Approach.
IEEE Trans. Veh. Technol.
Anastasios K. Papazafeiropoulos, Pandelis Kourtessis, Marco Di Renzo, Symeon Chatzinotas, John M. Senior
2020 B conf
Scalable Cell-Free Massive MIMO Systems With Hardware Impairments.
PIMRC
Anastasios K. Papazafeiropoulos, Emil Björnson, Pandelis Kourtessis, Symeon Chatzinotas, John M. Senior
2020 J jnl
Towards Optimal Energy Efficiency in Cell-Free Massive MIMO Systems.
CoRR
Anastasios K. Papazafeiropoulos, Hien Quoc Ngo, Pandelis Kourtessis, Symeon Chatzinotas, John M. Senior
2019 J jnl
Co-existence of OFDM and FBMC for resilient photonic millimeter-wave 5G mobile fronthaul.
Photonic Netw. Commun.
Abayomi T. Latunde, Anastasios K. Papazafeiropoulos, Pandelis Kourtessis, John M. Senior
2019 J jnl
Hybrid Precoding for Multi-User Millimeter Wave Massive MIMO Systems: A Deep Learning Approach.
CoRR
Ahmet M. Elbir, Anastasios K. Papazafeiropoulos
2019 B conf
Impact of Hardware Impairments and Channel Aging Millimeter-Wave Heterogeneous Networks.
WCNC
Anastasios K. Papazafeiropoulos
2019 J jnl
Nuts and Bolts of a Realistic Stochastic Geometric Analysis of mmWave HetNets: Hardware Impairments and Channel Aging.
CoRR
Anastasios K. Papazafeiropoulos, Tharmalingam Ratnarajah, Pandelis Kourtessis, Symeon Chatzinotas
2019 J jnl
Nuts and Bolts of a Realistic Stochastic Geometric Analysis of mmWave HetNets: Hardware Impairments and Channel Aging.
IEEE Trans. Veh. Technol.
Anastasios K. Papazafeiropoulos, Tharmalingam Ratnarajah, Pandelis Kourtessis, Symeon Chatzinotas
2019 J jnl
SDN-Enabled MIMO Heterogeneous Cooperative Networks With Flexible Cell Association.
IEEE Trans. Wirel. Commun.
Anastasios K. Papazafeiropoulos, Pandelis Kourtessis, Marco Di Renzo, John M. Senior, Symeon Chatzinotas
2019 J jnl
SDN-enabled MIMO Heterogeneous Cooperative Networks with Flexible Cell Association.
CoRR
Anastasios K. Papazafeiropoulos, Pandelis Kourtessis, Marco Di Renzo, John M. Senior, Symeon Chatzinotas
2018 J jnl
Impact of Residual Additive Transceiver Hardware Impairments on Rayleigh-Product MIMO Channels With Linear Receivers: Exact and Asymptotic Analyses.
IEEE Trans. Commun.
Anastasios K. Papazafeiropoulos, Shree Krishna Sharma, Tharmalingam Ratnarajah, Symeon Chatzinotas
2018 B conf
Impact of hardware impairments on mmWave MIMO systems with hybrid precoding.
WCNC
Oluwatayo Y. Kolawole, Anastasios K. Papazafeiropoulos, Tharmalingam Ratnarajah
2018 J jnl
Modeling and Performance of Uplink Cache-Enabled Massive MIMO Heterogeneous Networks.
CoRR
Anastasios K. Papazafeiropoulos, Tharmalingam Ratnarajah
2018 J jnl
Modeling and Performance of Uplink Cache-Enabled Massive MIMO Heterogeneous Networks.
IEEE Trans. Wirel. Commun.
Anastasios K. Papazafeiropoulos, Tharmalingam Ratnarajah
2018 J jnl
Rate-Splitting Robustness in Multi-Pair Massive MIMO Relay Systems.
CoRR
Anastasios K. Papazafeiropoulos, Tharmalingam Ratnarajah
2018 J jnl
Rate-Splitting Robustness in Multi-Pair Massive MIMO Relay Systems.
IEEE Trans. Wirel. Commun.
Anastasios K. Papazafeiropoulos, Tharmalingam Ratnarajah
2017 J jnl
Ergodic Capacity Analysis of AF DH MIMO Relay Systems With Residual Transceiver Hardware Impairments: Conventional and Large System Limits.
IEEE Trans. Veh. Technol.
Anastasios K. Papazafeiropoulos, Shree Krishna Sharma, Symeon Chatzinotas, Björn E. Ottersten
2017 J jnl
Impact of General Channel Aging Conditions on the Downlink Performance of Massive MIMO.
IEEE Trans. Veh. Technol.
Anastasios K. Papazafeiropoulos
2017 B conf
Impact of Rate-Splitting Robustness in Multi-Pair Massive MIMO Relay Systems.
GLOBECOM
Anastasios K. Papazafeiropoulos, Tharm Ratnarajah
2017 — conf
Impact of residual transceiver impairments on MMSE filtering performance of Rayleigh-product MIMO channels.
SPAWC
Shree Krishna Sharma, Anastasios K. Papazafeiropoulos, Symeon Chatzinotas, Xianbin Wang, Tharm Ratnarajah
2017 J jnl
Mitigation of Phase Noise in Massive MIMO Systems: A Rate-Splitting Approach.
CoRR
Anastasios K. Papazafeiropoulos, Bruno Clerckx, Tharm Ratnarajah
2017 — conf
Mitigation of phase noise in massive MIMO systems: A rate-splitting approach.
ICC
Anastasios K. Papazafeiropoulos, Bruno Clerckx, Tharmalingam Ratnarajah
2017 J jnl
Performance of Massive MIMO Uplink With Zero-Forcing Receivers Under Delayed Channels.
IEEE Trans. Veh. Technol.
Anastasios K. Papazafeiropoulos, Hien Quoc Ngo, Tharmalingam Ratnarajah
2017 J jnl
Rate-Splitting to Mitigate Residual Transceiver Hardware Impairments in Massive MIMO Systems.
CoRR
Anastasios K. Papazafeiropoulos, Bruno Clerckx, Tharmalingam Ratnarajah
2017 J jnl
Rate-Splitting to Mitigate Residual Transceiver Hardware Impairments in Massive MIMO Systems.
IEEE Trans. Veh. Technol.
Anastasios K. Papazafeiropoulos, Bruno Clerckx, Tharmalingam Ratnarajah
2017 J jnl
Toward a Realistic Assessment of Multiple Antenna HCNs: Residual Additive Transceiver Hardware Impairments and Channel Aging.
IEEE Trans. Veh. Technol.
Anastasios K. Papazafeiropoulos, Tharmalingam Ratnarajah
2017 J jnl
Towards a Realistic Assessment of Multiple Antenna HCNs: Residual Additive Transceiver Hardware Impairments and Channel Aging.
CoRR
Anastasios K. Papazafeiropoulos, Tharm Ratnarajah
2016 J jnl
Downlink MIMO HCNs With Residual Transceiver Hardware Impairments.
IEEE Commun. Lett.
Anastasios K. Papazafeiropoulos, Tharmalingam Ratnarajah
2016 J jnl
Downlink MIMO HCNs with Residual Transceiver Hardware Impairments.
CoRR
Anastasios K. Papazafeiropoulos, Tharm Ratnarajah
2016 J jnl
Impact of General Channel Aging Conditions on the Downlink Performance of Massive MIMO.
CoRR
Anastasios K. Papazafeiropoulos
2016 — conf
Impact of transceiver hardware impairments on the ergodic channel capacity for Rayleigh-product MIMO channels.
SPAWC
Anastasios K. Papazafeiropoulos, Shree Krishna Sharma, Symeon Chatzinotas, Tharmalingam Ratnarajah, Björn E. Ottersten
2016 — conf
MMSE filtering performance of DH-AF massive MIMO relay systems with residual transceiver impairments.
ICC Workshops
Anastasios K. Papazafeiropoulos, Shree Krishna Sharma, Symeon Chatzinotas
2016 J jnl
Performance of Massive MIMO Uplink with Zero-Forcing receivers under Delayed Channels.
CoRR
Anastasios K. Papazafeiropoulos, Hien Quoc Ngo, Tharm Ratnarajah
2015 — conf
Confidentiality Analysis in Multicast Stochastic MIMO Networks with Imperfect CSIT.
GLOBECOM Workshops
Anastasios K. Papazafeiropoulos, Caijun Zhong
2015 J jnl
Deterministic Equivalent Performance Analysis of Time-Varying Massive MIMO Systems.
IEEE Trans. Wirel. Commun.
Anastasios K. Papazafeiropoulos, Tharmalingam Ratnarajah
2015 B conf
Downlink Performance of Massive MIMO under General Channel Aging Conditions.
GLOBECOM
Anastasios K. Papazafeiropoulos
2015 J jnl
Downlink Performance of Massive MIMO under General Channel Aging Conditions.
CoRR
Anastasios K. Papazafeiropoulos
2015 B conf
Effect of channel aging on the sum rate of uplink massive MIMO systems.
ISIT
Chuili Kong, Caijun Zhong, Anastasios K. Papazafeiropoulos, Michail Matthaiou, Zhaoyang Zhang
2015 — conf
Impact of Transceiver Impairments on the Capacity of Dual-Hop Relay Massive MIMO Systems.
GLOBECOM Workshops
Anastasios K. Papazafeiropoulos, Shree Krishna Sharma, Symeon Chatzinotas
2015 J jnl
Impact of Transceiver Impairments on the Capacity of Dual-Hop Relay Massive MIMO Systems.
CoRR
Anastasios K. Papazafeiropoulos, Shree Krishna Sharma, Symeon Chatzinotas
2015 J jnl
Impact of User Mobility on Optimal Linear Receivers in Cellular Networks.
CoRR
Anastasios K. Papazafeiropoulos
2015 — conf
Impact of user mobility on optimal linear receivers in cellular networks.
ICC
Anastasios K. Papazafeiropoulos
2015 J jnl
Sum-Rate and Power Scaling of Massive MIMO Systems With Channel Aging.
IEEE Trans. Commun.
Chuili Kong, Caijun Zhong, Anastasios K. Papazafeiropoulos, Michail Matthaiou, Zhaoyang Zhang
2015 J jnl
Sum-Rate and Power Scaling of Massive MIMO Systems with Channel Aging.
CoRR
Chuili Kong, Caijun Zhong, Anastasios K. Papazafeiropoulos, Michail Matthaiou, Zhaoyang Zhang
2015 J jnl
Uplink Performance of Conventional and Massive MIMO Cellular Systems with Delayed CSIT.
CoRR
Anastasios K. Papazafeiropoulos, Hien Quoc Ngo, Tharm Ratnarajah
2014 B conf
Degrees of freedom region of MIMO interference channel with imperfect current and delayed CSIT.
WCNC
Yi Luo, Anastasios K. Papazafeiropoulos, Tharm Ratnarajah
2014 J jnl
Degrees-of-Freedom Regions for $K$-User MISO Time-Correlated Broadcast Channel.
CoRR
Yi Luo, Tharmalingam Ratnarajah, Anastasios K. Papazafeiropoulos
2014 B conf
DoF region and sum rate analysis for the K user MIMO IC with limited CSI feedback.
PIMRC
Paula Aquilina, Tharmalingam Ratnarajah, Anastasios K. Papazafeiropoulos
2014 B conf
Ergodic channel capacity for generalized fading channels.
WCNC
Anastasios K. Papazafeiropoulos, Tharmalingam Ratnarajah
2014 B conf
Linear precoding for downlink massive MIMO with delayed CSIT and channel prediction.
WCNC
Anastasios K. Papazafeiropoulos, Tharmalingam Ratnarajah
2014 B conf
Optimal degrees of freedom for the K user MIMO interference channel even with delayed CSIT.
WCNC
Anastasios K. Papazafeiropoulos, Tharmalingam Ratnarajah
2014 B conf
Uplink performance of conventional and massive MIMO cellular systems with delayed CSIT.
PIMRC
Anastasios K. Papazafeiropoulos, Hien Quoc Ngo, Michail Matthaiou, Tharmalingam Ratnarajah
2014 Misc conf
Uplink performance of massive MIMO subject to delayed CSIT and anticipated channel prediction.
ICASSP
Anastasios K. Papazafeiropoulos, Tharmalingam Ratnarajah
2013 B conf
Degrees of freedom of multiple-antenna interference channel with general CSIT.
PIMRC
Anastasios K. Papazafeiropoulos, Tharmalingam Ratnarajah
2012 J jnl
Statistical Properties for the Envelope and Phase of the α - η - μ Generalized Fading Channels.
Wirel. Pers. Commun.
Anastasios K. Papazafeiropoulos, Stavros A. Kotsopoulos
2011 J jnl
An Extended Loo Model with Inhomogeneous Scattering and its Statistical Properties.
Wirel. Pers. Commun.
Anastasios K. Papazafeiropoulos, Stavros A. Kotsopoulos
2011 J jnl
The α - λ - μ and α - η - μ Small-Scale General Fading Distributions: A Unified Approach.
Wirel. Pers. Commun.
Anastasios K. Papazafeiropoulos, Stavros A. Kotsopoulos
2010 J jnl
An Extended Generalized Rice Model for Wireless Communications.
IEEE Trans. Veh. Technol.
Anastasios K. Papazafeiropoulos, Stavros A. Kotsopoulos
2010 J jnl
Generalized Phase-Crossing Rate and Random FM Noise for Fading Channels.
IEEE Trans. Veh. Technol.
Anastasios K. Papazafeiropoulos, Stavros A. Kotsopoulos
2010 J jnl
Second-Order Statistics for the Envelope of α - κ - μ Fading Channels.
IEEE Commun. Lett.
Anastasios K. Papazafeiropoulos, Stavros A. Kotsopoulos
2009 B conf
The a - lambda - µ -eta: a general fading distribution.
WCNC
Anastasios K. Papazafeiropoulos, Stavros A. Kotsopoulos, Dimitrios Zevgolis
2009 B conf
The alpha - µ joint envelope-phase fading distribution.
PIMRC
Anastasios K. Papazafeiropoulos, Stavros A. Kotsopoulos
2009 — conf
The alpha-eta-µ and alpha-lamda-µ Joint Envelope-Phase Fading Distributions.
ICC
Anastasios K. Papazafeiropoulos, Stavros A. Kotsopoulos
2009 B conf
The eta-lambda-mu: A General Fading Distribution.
GLOBECOM
Anastasios K. Papazafeiropoulos, Stavros A. Kotsopoulos