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