Results 21 to 30 of about 806 (176)
Tongxin xuebao, 2022 To meet the demand of high spectrum and energy efficiency in future wireless communication systems, intelligent reflecting surface (IRS), a promising technology has attracted significant attention.By proper design of IRS, PLS can be boosted from ...
Hancheng LU +4 more
doaj +2 more sources
Inkjet printed intelligent reflecting surface for indoor applications
Electronics Letters, 2023 A passive, low‐cost, paper‐based intelligent reflecting surface (IRS) is designed to reflect a signal in a desired direction to overcome non‐line‐of‐sight scenarios in indoor environments.
Kairi Takimoto +9 more
doaj +1 more source
Intelligent Reflecting Surface Enabled Covert Communications in Wireless Networks
IEEE Network, 2020 With growing security threats to the evolving wireless systems, protecting user privacy becomes progressively challenging. Even if the transmitted information is encrypted and the potential wiretap channel is physically limited (e.g. through information-theoretic security approaches), the raw data itself, such as transmitter position and transmission ...
Xiao Lu 0001 +5 more
openaire +2 more sources
Sensors, 2022 An intelligent reflecting surface (IRS) is a programmable device that can be used to control electromagnetic waves propagation by changing the electric and magnetic properties of its surface.
Mohammad Abrar Shakil Sejan +5 more
doaj +1 more source
Tongxin xuebao, 2021 When adding intelligent reflecting surface (IRS) for assist communication in millimeter wave communication, the system becomes complicated and difficult to obtain channel state information (CSI).To solve these challenges, a hybrid intelligent reflecting ...
Youhua FU, Dong CHEN
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Weighted Sum Secrecy Rate Maximization for Joint ITS- and IRS-Empowered System
Entropy, 2023 In this work, we investigate a novel intelligent surface-assisted multiuser multiple-input single-output multiple-eavesdropper (MU-MISOME) secure communication network where an intelligent reflecting surface (IRS) is deployed to enhance the secrecy ...
Shaochuan Yang +4 more
doaj +1 more source
Hybrid automatic repeat request‐based intelligent reflecting surface‐assisted communication system
Electronics Letters, 2021 The intelligent reflecting surface (IRS) is an emerging technique to extend wireless coverage. In this letter, the performance of the hybrid automatic repeat request (hybrid ARQ) for an IRS‐assisted system is analysed.
Yun Ai +4 more
doaj +1 more source
ICT Express, 2023 The intelligent reflecting surface (IRS) technology can enhance coverage in wireless networks by detouring a blocked path, where the phases of its passive elements are controlled to reinforce reflected signals in the desired directions, as the massive ...
Gwang Hae Kim, Duk Kyung Kim
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PPO-based deployment and phase control for movable intelligent reflecting surface
Journal of Cloud Computing: Advances, Systems and Applications, 2023 Intelligent reflecting surface (IRS) stands as a promising technology to revolutionize wireless communication by manipulating incident signal amplitudes and phases to enhance system performance. While existing research primarily centers around optimizing
Yikun Zhao +4 more
doaj +1 more source
Advanced Functional Materials, EarlyView.A systematic review is conducted to assess the influence of electrode architecture across micro‐ to mesoscopic length scales on electron‐transfer pathways in electrocatalysis. We discuss the structure‐activity relationships in electrocatalytic applications, including resource recovery and environmental remediation, and provide cost‐effective, efficient
Manshu Zhao +6 more
wiley +1 more source