120 citations · 269 across the 15 of their papers we have counts for
10 papers · 1 filter
Introducing Meta-Fiber into Stacked Intelligent Metasurfaces for MIMO Communications: A Low-Complexity Design with only Two Layers
Hong Niu, Jiancheng An, Tuo Wu +8
Stacked intelligent metasurfaces (SIMs), which integrate multiple programmable metasurface layers, have recently emerged as a promising technology for advanced wave-domain signal p…
Downlink Multiuser Communications Relying on Flexible Intelligent Metasurfaces
Jiancheng An, Chau Yuen, Marco Di Renzo +3
A flexible intelligent metasurface (FIM) is composed of an array of low-cost radiating elements, each of which can independently radiate electromagnetic signals and flexibly adjust…
Knowledge and Data Dual-Driven Channel Estimation and Feedback for Ultra-Massive MIMO Systems under Hybrid Field Beam Squint Effect
Kuiyu Wang, Zhen Gao, Sheng Chen +5
Acquiring accurate channel state information (CSI) at an access point (AP) is challenging for wideband millimeter wave (mmWave) ultra-massive multiple-input and multiple-output (UM…
A Joint Communication and Computation Design for Probabilistic Semantic Communications
Zhouxiang Zhao, Zhaohui Yang, Mingzhe Chen +2
In this paper, the problem of joint transmission and computation resource allocation for a multi-user probabilistic semantic communication (PSC) network is investigated. In the con…
Two-Dimensional Direction-of-Arrival Estimation Using Stacked Intelligent Metasurfaces
Jiancheng An, Chau Yuen, Yong Liang Guan +4
Stacked intelligent metasurfaces (SIM) are capable of emulating reconfigurable physical neural networks by relying on electromagnetic (EM) waves as carriers. They can also perform…
Stacked Intelligent Metasurface Performs a 2D DFT in the Wave Domain for DOA Estimation
Jiancheng An, Chau Yuen, Marco Di Renzo +3
Staked intelligent metasurface (SIM) based techniques are developed to perform two-dimensional (2D) direction-of-arrival (DOA) estimation. In contrast to the conventional designs,…
Stacked Intelligent Metasurfaces for Multiuser Downlink Beamforming in the Wave Domain
Jiancheng An, Marco Di Renzo, Mérouane Debbah +2
Intelligent metasurface has recently emerged as a promising technology that enables the customization of wireless environments by harnessing large numbers of low-cost reconfigurabl…
On the Degrees of Freedom and Eigenfunctions of Line-of-Sight Holographic MIMO Communications
Juan Carlos Ruiz-Sicilia, Marco Di Renzo, Marco Donald Migliore +2
We consider a line-of-sight communication link between two holographic surfaces (HoloSs), and provide a closed-form expression for the effective degrees of freedom (eDoF), i.e., th…
A Tutorial on Holographic MIMO Communications--Part I: Channel Modeling and Channel Estimation
Jiancheng An, Chau Yuen, Chongwen Huang +3
By integrating a nearly infinite number of reconfigurable elements into a finite space, a spatially continuous array aperture is formed for holographic multiple-input multiple-outp…
Opportunistic Relaying in Wireless Networks
Shengshan Cui, Alexander M. Haimovich, Oren Somekh +1
Relay networks having source-to-destination pairs and half-duplex relays, all operating in the same frequency band in the presence of block fading, are analyzed. This setup…