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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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
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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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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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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
Intelligent Reflecting Surfaces for Compute-and-Forward [PDF]
2021 Iran Workshop on Communication and Information Theory (IWCIT), 2021 Compute-and-forward is a promising strategy to tackle interference and obtain high rates between the transmitting users in a wireless network. However, the quality of the wireless channels between the users substantially limits the achievable computation rate in such systems. In this paper, we introduce the idea of using intelligent reflecting surfaces
Mahdi Jafari Siavoshani +2 more
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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 .
Shih-Kai Chou +3 more
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Electromagnetic Model of Reflective Intelligent Surfaces [PDF]
IEEE Open Journal of the Communications Society, 2021 An accurate and simple analytical model for the computation of the reflection amplitude and phase of Reconfigurable Intelligent Surfaces is presented. The model is based on a transmission-line circuit representation of the RIS which takes into account the physics behind the structure including the effect of all relevant geometrical and electrical ...
Filippo Costa, Michele Borgese
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Wireless Network Coding With Intelligent Reflecting Surfaces [PDF]
IEEE Communications Letters, 2021 Conventional wireless techniques are becoming inadequate for beyond fifth-generation (5G) networks due to latency and bandwidth considerations. To improve the error performance and throughput of wireless communication systems, we propose physical layer network coding (PNC) in an intelligent reflecting surface (IRS)-assisted environment.
Amanat Kafizov +3 more
openaire +5 more sources