242 citations · 365 across the 28 of their papers we have counts for
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Near-Field Beamforming for Stacked Intelligent Metasurfaces-assisted MIMO Networks
Anastasios Papazafeiropoulos, Pandelis Kourtessis, Symeon Chatzinotas +2
Stacked intelligent metasurfaces (SIMs) have recently gained significant interest since they enable precoding in the wave domain that comes with increased processing capability and…
Achievable Rate Optimization for Large Stacked Intelligent Metasurfaces Based on Statistical CSI
Anastasios Papazafeiropoulos, Pandelis Kourtessis, Symeon Chatzinotas +2
Stacked intelligent metasurface (SIM) is an emerging design that consists of multiple layers of metasurfaces. A SIM enables holographic multiple-input multiple-output (HMIMO) preco…
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…
Performance of Double-Stacked Intelligent Metasurface-Assisted Multiuser Massive MIMO Communications in the Wave Domain
Anastasios Papazafeiropoulos, Pandelis Kourtessis, Symeon Chatzinotas +2
Although reconfigurable intelligent surface (RIS) is a promising technology for shaping the propagation environment, it consists of a single-layer structure within inherent limitat…