Intelligent Reflecting Surfaces Beamforming Optimization with Statistical Channel Knowledge [PDF]
Sensors, 2022 Intelligent Reflecting Surfaces (IRSs) are emerging as an effective technology capable of improving the spectral and energy efficiency of future wireless networks.
Victoria Dala Pegorara Souto +3 more
doaj +4 more sources
Intelligent Reflecting Surfaces Enhanced Mobile Edge Computing: Minimizing the Maximum Computational Time [PDF]
Sensors, 2022 Intelligent reflecting surfaces (IRS) and mobile edge computing (MEC) have recently attracted significant attention in academia and industry. Without consuming any external energy, IRS can extend wireless coverage by smartly reconfiguring the phase shift
Mubashar Sarfraz +7 more
doaj +2 more sources
On the Aperture Efficiency of Intelligent Reflecting Surfaces [PDF]
IEEE Wireless Communications Letters, 2021 The concept of intelligent reflecting surfaces (IRS) has recently gained significant attention due to their ability to manipulate the impinging electromagnetic signals and offer anomalous reflections. In this letter, we derive and address the missing piece of prior works, namely the IRS aperture efficiency .
Michail Matthaiou +2 more
exaly +3 more sources
Intelligent Reflecting Surfaces With Spatial Modulation: An Electromagnetic Perspective [PDF]
IEEE Open Journal of the Communications Society, 2020 Electromagnetic wave control using the concept of a reflecting surface is first studied as a near-field and a far-field problem. Using a secondary source present in a wireless communication environment, such as a backscatter tag, it is possible to ...
Okan Yurduseven +2 more
doaj +4 more sources
Multi-Intelligent Reflecting Surfaces and Artificial Noise-Assisted Cell-Free Massive MIMO Against Simultaneous Jamming and Eavesdropping [PDF]
SensorsIn a cell-free massive multiple-input multiple-output (MIMO) system without cells, it is assumed that there are smart jammers and disrupters (SJDs) that attempt to interfere with and eavesdrop on the downlink communications of legitimate users.
Huazhi Hu +5 more
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On the Optimal Number of Reflecting Elements for Reconfigurable Intelligent Surfaces [PDF]
IEEE Wireless Communications Letters, 2021 This work considers a point-to-point link where a reconfigurable intelligent surface assists the communication between transmitter and receiver. The system rate, energy efficiency, and their trade-off are optimized with respect to the number of individually tunable elements of the intelligent surface.
Merouane Debbah +2 more
exaly +3 more sources
Multicell MIMO Communications Relying on Intelligent Reflecting Surfaces [PDF]
IEEE Transactions on Wireless Communications, 2020 This paper has been accepted for publication in IEEE Transactions on Wireless ...
Cunhua Pan +2 more
exaly +5 more sources
Rate splitting with semantics as a generalized multi-access framework for intelligent reflecting surfaces [PDF]
Scientific ReportsThe rapid advancement of modern communication technologies necessitates the development of generalized multi-access frameworks and the continuous implementation of rate splitting, augmented with semantic awareness.
Senthil Kumar Jagatheesaperumal +4 more
doaj +2 more sources
The effect of intelligent reflecting surfaces on spectral efficiency in 6G wireless systems [PDF]
Scientific ReportsIntelligent Reflecting Surfaces (IRSs), comprised of numerous reflecting elements, offer a promising solution for enhancing wireless communication. By manipulating the wireless propagation environment, IRSs can mitigate the effects of non-line-of-sight ...
Hanaa H. Qamar +2 more
doaj +2 more sources
Survey on Optical Wireless Communication with Intelligent Reflecting Surfaces
PhotonicsOptical Wireless Communication (OWC) technology has gained significant attention in recent years due to its potential for providing high-data-rate wireless connections through the large license-free bandwidth available.
Chengwei Fang +3 more
doaj +3 more sources