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
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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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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
Sensors, 2022 The existing sub-6 GHz band is insufficient to support the bandwidth requirement of emerging data-rate-hungry applications and Internet of Things devices, requiring ultrareliable low latency communication (URLLC), thus making the migration to millimeter ...
Fred Chimzi Okogbaa +6 more
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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
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Feedback algorithms for intelligent reflecting surfaces: Phase shift matrix and single-bit feedback. [PDF]
PLoS ONEThis paper introduces two innovative feedback algorithms-phase shift matrix (PSM)-based and single-bit feedback (SBF)-based-that improve the efficiency of phase adjustments in intelligent reflecting surfaces (IRS).
Sarmad Sohaib +2 more
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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
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Intelligent Reflecting Surfaces: Performance Simulation in Millimeter Wave Channels [PDF]
International Journal of Telecommunications, 2023 The intelligent reflecting surfaces (IRS) can be implemented in radio systems in order to provide the cooperative communication services. In fact, the cooperative communication can increase the received signal strength at the communication receiver ...
Mona Shokair +3 more
doaj +1 more source
Multi-Functional Reconfigurable Intelligent Surfaces for Enhanced Sensing and Communication
Sensors, 2023 In this paper, we propose a reconfigurable intelligent surface (RIS) that can dynamically switch the transmission and reflection phase of incident electromagnetic waves in real time to realize the dual-beam or quad-beam and convert the polarization of ...
Khushboo Singh +5 more
doaj +1 more source
Revolutionizing Optical Wireless Communications via Smart Optics
IEEE Open Journal of the Communications Society, 2022 The heterogeneity of optical wireless networks (OWNs) has expanded over decades in terms of services, node densities, mobility requirements, bandwidth needs, responsiveness, and physical device profile.
Amr M. Abdelhady +3 more
doaj +1 more source