Reconfigurable Intelligent Surface (RIS)-Assisted Non-Terrestrial Network (NTN)-Based 6G Communications: A Contemporary Survey. [PDF]
This article examines the transformative potential of integrating reconfigurable intelligent surfaces (RISs) into sixth-generation (6G) wireless non-terrestrial networks (NTNs). The focus is on the RIS’s capability to address diverse user requirements, including secure data transmission, power efficiency, extended coverage, and enhanced data rates. The
Worka CE +4 more
europepmc +6 more sources
On Propagation Characteristics of Reconfigurable Surface Wave Platform: Simulation and Experimental Verification [PDF]
Reconfigurable intelligent surface (RIS) as a smart reflector is revolutionizing research for next-generation wireless communications. In contrast to this is a concept of using RIS as an efficient propagation medium for superiorly low path loss ...
Zhiyuan Chu +4 more
doaj +3 more sources
Multi-user frequency selective beam steering by reconfigurable intelligent surfaces in the Ka-band [PDF]
Reconfigurable intelligent surfaces (RIS) have been proposed to extend the coverage of wireless communication signals at mm-wave frequencies. Here, we designed and fabricated a reconfigurable intelligent surface (RIS) for multi-user frequency selective ...
Lukas Mueller +6 more
doaj +2 more sources
Joint interference alignment and beyond diagonal RIS design for maximizing SNR in MIMO device-to-device communications [PDF]
As a novel and flexible branch of RIS architectures, beyond-diagonal reconfigurable intelligent surface (BD-RIS) has been proposed recently to manipulate wireless environment and expand the coverage benefits. One efficient BD-RIS has been realized in the
Bei Ma
doaj +2 more sources
Reconfigurable intelligent surface (RIS): Eigenvalue Decomposition-Based Separate Channel Estimation [PDF]
Reconfigurable intelligent surface (RIS) has recently drawn significant attention in wireless communication technologies. However, identifying, modeling, and estimating the RIS channel in multiple-input multiple-output (MIMO) systems are considered challenging in recent studies.
Zegrar, Salah Eddine +2 more
openaire +3 more sources
Reconfigurable Intelligent Surface (RIS) Assisted Wireless Coverage Extension: RIS Orientation and Location Optimization [PDF]
Recently, reconfigurable intelligent surfaces (RIS) have attracted a lot of attention due to their capability of extending cell coverage by reflecting signals toward the receiver. In this letter, we analyze the coverage of a downlink RIS-assisted network with one base station (BS) and one user equipment (UE).
Shuhao Zeng +4 more
openaire +2 more sources
Reconfigurable Intelligent Surface (RIS)-Enhanced Two-Way OFDM Communications [PDF]
Submitted to IEEE ...
Chandan Pradhan +5 more
openaire +2 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
A Reconfigurable Intelligent Surface at mmWave Based on a Binary Phase Tunable Metasurface
Originally introduced in the early 2010’s, the idea of smart environments through reconfigurable intelligent surfaces (RIS) controlling the reflections of the electromagnetic waves has attracted much attention in recent years in preparation for ...
Jean-Baptiste Gros +4 more
doaj +1 more source
Reconfigurable Intelligent Surface-Aided Multi-User Networks: Interplay Between NOMA and RIS
14 pages, 5 figures, 1 ...
Liu, Yuanwei +5 more
openaire +2 more sources

