32 citations · 40 across the 11 of their papers we have counts for
10 papers · 1 filter
STAR-RIS-Assisted Communication Radar Coexistence: Analysis and Optimization
Anastasios Papazafeiropoulos, Pandelis Kourtessis, Symeon Chatzinotas
Integrated sensing and communication (ISAC) is expected to play a prominent role among emerging technologies in future wireless communications. In particular, a communication radar…
Two-Timescale Design for Active STAR-RIS Aided Massive MIMO Systems
Anastasios Papazafeiropoulos, Hanxiao Ge, Pandelis Kourtessis +3
Simultaneously transmitting and reflecting \textcolor{black}{reconfigurable intelligent surface} (STAR-RIS) is a promising implementation of RIS-assisted systems that enables full-…
Achievable Rate Optimization for Stacked Intelligent Metasurface-Assisted Holographic MIMO Communications
Anastasios Papazafeiropoulos, Jiancheng An, Pandelis Kourtessis +2
Stacked intelligent metasurfaces (SIM) is a revolutionary technology, which can outperform its single-layer counterparts by performing advanced signal processing relying on wave pr…
Achievable Rate of a STAR-RIS Assisted Massive MIMO System Under Spatially-Correlated Channels
Anastasios Papazafeiropoulos, Le-Nam Tran, Zaid Abdullah +2
Reconfigurable intelligent surfaces (RIS)-assisted massive multiple-input multiple-output (mMIMO) is a promising technology for applications in next-generation networks. However, r…
Joint Spatial Division and Multiplexing for FDD in Intelligent Reflecting Surface-assisted Massive MIMO Systems
Anastasios Papazafeiropoulos, Pandelis Kourtessis, Konstantinos Ntontin +1
Intelligent reflecting surface (IRS) is a promising technology to deliver the higher spectral and energy requirements in fifth-generation (5G) and beyond wireless networks while sh…
Impact of Phase-Noise and Spatial Correlation on Double-RIS-Assisted Multiuser MISO Networks
Zaid Abdullah, Anastasios Papazafeiropoulos, Steven Kisseleff +2
We study the performance of a phase-noise impaired double reconfigurable intelligent surface (RIS)-aided multiuser (MU) multiple-input single-output (MISO) system under spatial cor…