activity
20152026
most citedNear-Field Terahertz Communications: Model-Based and Model-Free Channel Estimation

44 citations · 145 across the 39 of their papers we have counts for

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Showing 2024 · cs.ITShow all

7 papers · 2 filters

cs.IT2024

Stacked Intelligent Metasurfaces for Integrated Sensing and Communications

Haoxian Niu, Jiancheng An, Anastasios Papazafeiropoulos +3

Stacked intelligent metasurfaces (SIM) have recently emerged as a promising technology, which can realize transmit precoding in the wave domain. In this paper, we investigate a SIM…

cs.IT2024

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…

cs.IT2024★ 1 cited

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…

cs.IT2024

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…

cs.IT2024★ 1 cited

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-…

cs.IT2024★ 1 cited

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…