Author
Number of items: 26.
2024
  • Effect of Channel Aging on Beyond Diagonal Reconfigurable Intelligent Surfaces. (2024) Anastasios Papazafeiropoulos, Pandelis Kourtessis and Symeon Chatzinotas
    • 2023
  • Near-Field Terahertz Communications: Model-Based and Model-Free Channel Estimation. (2023) Ahmet M. Elbir, Wei Shi, Anastasios K. Papazafeiropoulos, Pandelis Kourtessis and Symeon Chatzinotas
  • Wireless Energy Harvesting For Autonomous Reconfigurable Intelligent Surfaces. (2023) Konstantinos Ntontin, Alexandros Apostolos A. Boulogeorgos, Emil Bjornson, Wallace Alves Martins, Steven Kisseleff, Sergi Abadal, Eduard Alarcon, Anastasios Papazafeiropoulos, Fotis Lazarakis and Symeon Chatzinotas
    • 2022
  • A Hybrid Architecture for Federated and Centralized Learning. (2022) Ahmet M. Elbir, Sinem Coleri, Anastasios K. Papazafeiropoulos, Pandelis Kourtessis and Symeon Chatzinotas
  • Joint Spatial Division and Multiplexing for FDD in Intelligent Reflecting Surface-assisted Massive MIMO Systems. (2022) Anastasios Papazafeiropoulos, Pandelis Kourtessis, Konstantinos Ntontin and Symeon Chatzinotas
  • Coverage Probability of STAR-RIS assisted Massive MIMO systems with Correlation and Phase Errors. (2022) Anastasios Papazafeiropoulos, Zaid Abdullah, Pandelis Kourtessis, Steven Kisseleff and Ioannis Krikidis
  • Impact of Phase-Noise and Spatial Correlation on Double-RIS-Assisted Multiuser MISO Networks. (2022) Zaid Abdullah, Anastasios Papazafeiropoulos, Steven Kisseleff, Symeon Chatzinotas and Bjorn Ottersten
    • 2021
  • Towards the Assessment of Realistic Hybrid Precoding in Millimeter Wave MIMO Systems with Hardware Impairments. (2021) Anastasios Papazafeiropoulos, George Papageorgiou, Oluwatayo Kolawole, Pandelis Kourtessis, Symeon Chatzinotas, John Senior, Mathini Sellathurai and Tharmalingam Ratnarajah
  • Towards Optimal Energy Efficiency in Cell-Free Massive MIMO Systems. (2021) A. Papazafeiropoulos, H. Q. Ngo, P. Kourtessis, S. Chatzinotas and J. M. Senior
    • 2020
  • Coverage Probability of Cell-Free Massive MIMO Systems. (2020) A. K. Papazafeiropoulos, P. Kourtessis, M. DI Renzo, S. Chatzinotas and J. M. Senior
  • Optimal energy efficiency in cell-free massive MIMO systems: A stochastic geometry approach. (2020) Anastasios Papazafeiropoulos, Hien Quoc Ngo, Pandelis Kourtessis, Symeon Chatzinotas and John M. Senior
  • Scalable cell-free massive MIMO systems with hardware impairments. (2020) A. K. Papazafeiropoulos, Emil Bjornson, P. Kourtessis, S. Chatzinotas and John M. Senior
  • Deep Channel Learning For Large Intelligent Surfaces Aided mm-Wave Massive MIMO Systems. (2020) Ahmet M. Elbir, Anastasios Papazafeiropoulos, Pandelis Kourtessis, Symeon Chatzinotas and John Senior
  • Performance Analysis of Cell-Free Massive MIMO Systems: A Stochastic Geometry Approach. (2020) Anastasios Papazafeiropoulos, Pandelis Kourtessis, Marco Di Renzo, Symeon Chatzinotas and John Senior
    • 2019
  • Hybrid Precoding for Multiuser Millimeter Wave Massive MIMO Systems : A Deep Learning Approach. (2019) Ahmet M. Elbir and Anastasios Papazafeiropoulos
  • SDN-enabled MIMO Heterogeneous Cooperative Networks with Flexible Cell Association. (2019) Anastasios Papazafeiropoulos, Pandelis Kourtessis, Marco Di Renzo, John M. Senior and Symeon Chatzinotas
  • Nuts and Bolts of a Realistic Stochastic Geometric Analysis of mmWave HetNets: Hardware Impairments and Channel Aging. (2019) Anastasios Papazafeiropoulos, Tharmalingam Ratnarajah, Pandelis Kourtessis and Symeon Chatzinotas
    • 2018
  • Modeling and Performance of Uplink Cache-Enabled Massive MIMO Heterogeneous Networks. (2018) Anastasios Papazafeiropoulos and Tharmalingham Ratnarajah
  • Rate-Splitting Robustness in Multi-Pair Massive MIMO Relay Systems. (2018) Anastasios Papazafeiropoulos and Tharmalingam Ratnarajah
  • Impact of Residual Additive Transceiver Hardware Impairments on Rayleigh-Product MIMO Channels with Linear Receivers : Exact and Asymptotic Analyses. (2018) Anastasios Papazafeiropoulos, Shree Krishna Sharma, Tharmalingam Ratnarajah and Symeon Chatzinotas
    • 2017
  • Toward a Realistic Assessment of Multiple Antenna HCNs: Residual Additive Transceiver Hardware Impairments and Channel Aging. (2017) Anastasios Papazafeiropoulos and Tharmalingam Ratnarajah
  • Ergodic Capacity Analysis of AF DH MIMO Relay Systems with Residual Transceiver Hardware Impairments : Conventional and Large System Limits. (2017) Anastasios K. Papazafeiropoulos, Shree Krishna Sharma, Symeon Chatzinotas and Bjorn Ottersten
  • Performance of massive MIMO uplink with zero-forcing receivers under delayed channels. (2017) Anastasios K. Papazafeiropoulos, Hien Quoc Ngo and Tharmalingam Ratnarajah
  • Impact of General Channel Aging Conditions on the Downlink Performance of Massive MIMO. (2017) Anastasios K. Papazafeiropoulos
    • 2015
  • Sum-Rate and Power Scaling of Massive MIMO Systems with Channel Aging. (2015) Chuili Kong, Caijun Zhong, Anastasios K. Papazafeiropoulos, Michail Matthaiou and Zhaoyang Zhang
  • Deterministic equivalent performance analysis of time-varying massive MIMO systems. (2015) Anastasios K. Papazafeiropoulos and Tharmalingam Ratnarajah