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Experimental Demonstration of Sensing Using Hybrid Reconfigurable Intelligent Surfaces † [PDF]

open access: yesSensors (Basel)
Acquiring information about the surrounding environment is crucial for reconfigurable intelligent surfaces (RISs) to effectively manipulate radio wave propagation.
Idban Alamzadeh, Mohammadreza F. Imani
europepmc   +2 more sources

Goal-Oriented Communication for Networked Control Assisted by Reconfigurable Meta-Surfaces [PDF]

open access: yesarXiv
In this paper, we develop a theoretical framework for goal-oriented communication assisted by reconfigurable meta-surfaces in the context of networked control systems.
Assaad, Mohamad, Soleymani, Touraj
core   +1 more source

Two‐timescale design for RIS‐aided full‐duplex MIMO systems with transceiver hardware impairments

open access: yesIET Communications, 2023
This paper focuses on a reconfigurable intelligent surface (RIS)‐aided full‐duplex multi‐user massive multiple‐input multiple‐output system with transceiver hardware impairments (THWIs).
Jianxin Dai   +3 more
doaj   +2 more sources

Reconfigurable Intelligent Surfaces for Energy Efficiency in Wireless Communication [PDF]

open access: yesIEEE Transactions on Wireless Communications, 2019
The adoption of a Reconfigurable Intelligent Surface (RIS) for downlink multi-user communication from a multi-antenna base station is investigated in this paper.
Alexandropoulos, George C.   +4 more
core   +4 more sources

Reconfigurable Intelligent Surfaces: Principles and Opportunities [PDF]

open access: yesIEEE Communications Surveys & Tutorials, 2021
Reconfigurable intelligent surfaces (RISs), also known as intelligent reflecting surfaces (IRSs), or large intelligent surfaces (LISs), have received significant attention for their potential to enhance the capacity and coverage of wireless networks by smartly reconfiguring the wireless propagation environment.
Yuanwei Liu   +6 more
openaire   +5 more sources

Intelligent Spectrum Learning for Wireless Networks With Reconfigurable Intelligent Surfaces [PDF]

open access: yesIEEE Transactions on Vehicular Technology, 2021
Reconfigurable intelligent surface (RIS) has become a promising technology for enhancing the reliability of wireless communications, which is capable of reflecting the desired signals through appropriate phase shifts. However, the intended signals that impinge upon an RIS are often mixed with interfering signals, which are usually dynamic and unknown ...
Bo Yang   +5 more
openaire   +4 more sources

Reconfigurable Intelligent Surfaces for the Connectivity of Autonomous Vehicles [PDF]

open access: greenIEEE Transactions on Vehicular Technology, 2020
5 pages, 4 figures,
Y. Ugur Ozcan   +2 more
openalex   +5 more sources

Joint Symbol-Level Precoding and Reflecting Designs for IRS-Enhanced MU-MISO Systems [PDF]

open access: yes, 2021
Intelligent reflecting surfaces (IRSs) have emerged as a revolutionary solution to enhance wireless communications by changing propagation environment in a cost-effective and hardware-efficient fashion.
Li, M, Liu, Q, Liu, R, Swindlehurst, AL
core   +2 more sources

Experimental Demonstration of a mmWave Passive Access Point Extender Based on a Binary Reconfigurable Intelligent Surface

open access: yesFrontiers in Communications and Networks, 2021
As data rates demands are exploding, 5G will soon rely on mmWaves that offer much higher bandwidths. Yet at these frequencies, attenuation and diffraction of waves require point to point communications with beamforming base stations that are complex and ...
Vladislav Popov   +7 more
doaj   +1 more source

Channel Orthogonalization with Reconfigurable Surfaces [PDF]

open access: yesProc. IEEE GLOBECOM Wkshps, 2022, 37-42, 2023
Orthogonal multi-user multiple-input multiple-output (MU-MIMO) channels allow for optimum performance with simplified precoding/equalization, and they achieve maximum multiplexing gain which is shared fairly among users. Reconfigurable intelligent surface (RIS) constitutes a promising cost-efficient solution to improve the wireless channel, since they ...
arxiv   +1 more source

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