5 citations · 14 across the 20 of their papers we have counts for
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On the Ergodic Capacity for SIM-Aided Holographic MIMO Communications
Anastasios Papazafeiropoulos, Ioannis Bartsiokas, Dimitra I. Kaklamani +1
We derive a novel closed-form lower bound on the ergodic capacity of holographic multiple-input multiple-output (HMIMO) systems enhanced by stacked intelligent metasurfaces (SIMs)…
Ergodic Mutual Information and Outage Probability for SIM-Assisted Holographic MIMO Communications
Anastasios Papazafeiropoulos, Pandelis Kourtessis, Dimitra I. Kaklamani +1
Stacked intelligent metasurface (SIM) is a promising enabler for next-generation high-capacity networks that exhibit better performance compared to its single-layer counterpart by…
Channel Estimation for Stacked Intelligent Metasurfaces in Rician Fading Channels
Anastasios Papazafeiropoulos, Pandelis Kourtessis, Dimitra I. Kaklamani +1
The recent combination of the rising architectures, known as stacked intelligent metasurface (SIM) and holographic multiple-input multiple-output (HMIMO), drives toward breakthroug…
STARS-Enabled Full-Duplex Two-Way mMIMO System Under Spatially-Correlated Channels
Anastasios Papazafeiropoulos, Pandelis Kourtessis, Symeon Chatzinotas +2
\underline{S}imultaneous \underline{t}ransmitting \underline{a}nd \underline{r}eflecting \underline{s}urface (STARS)-assisted systems have emerged to fill this gap by providing $ 3…
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…
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…