Results 31 to 40 of about 14,064 (257)
SWIPT With Intelligent Reflecting Surfaces Under Spatial Correlation [PDF]
IEEE Wireless Communications Letters, 2021 Intelligent reflecting surfaces (IRSs) can be beneficial to both information and energy transfer, due to the gains achieved by their multiple elements. In this work, we deal with the impact of spatial correlation between the IRS elements, in the context of simultaneous wireless information and power transfer.
Constantinos Psomas, Ioannis Krikidis
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Deep Reinforcement Learning for Intelligent Reflecting Surface-assisted D2D Communications
EAI Endorsed Transactions on Industrial Networks and Intelligent Systems, 2023 In this paper, we propose a deep reinforcement learning (DRL) approach for solving the optimisation problem of the network’s sum-rate in device-to-device (D2D) communications supported by an intelligent reflecting surface (IRS).
Khoi Khac Nguyen +2 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.
Alessio Zappone +3 more
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Enabling Large Intelligent Surfaces With Compressive Sensing and Deep Learning
IEEE Access, 2021 Employing large intelligent surfaces (LISs) is a promising solution for improving the coverage and rate of future wireless systems. These surfaces comprise massive numbers of nearly-passive elements that interact with the incident signals, for example by
Abdelrahman Taha +2 more
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An Optical Intelligent Reflecting Surface-Assisted Underwater Wireless Communication System
IEEE Open Journal of the Communications Society, 2023 Optical intelligent reflecting surfaces (OIRS) have the potential to enhance the capacity of the next generation optical wireless communication systems by re-configuring the propagation environment of optical waves.
Rehana Salam +3 more
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Alternating Beamforming With Intelligent Reflecting Surface Element Allocation [PDF]
IEEE Wireless Communications Letters, 2021 Intelligent reflecting surface (IRS) has become a promising technology to aid next generation wireless communication systems. In this paper, we develop an alternating beamforming technique with a novel concept of IRS element allocation for multiple-input multiple-output systems when a base station supports multiple single antenna users aided with a ...
Hyesang Cho, Junil Choi
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Intelligent Reflecting Surface-Aided Backscatter Communications [PDF]
GLOBECOM 2020 - 2020 IEEE Global Communications Conference, 2020 6 pages, 4 figures; to appear in Globecom ...
Xiaolun Jia +3 more
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Coverage analysis of intelligent reflecting surface systems in Rayleigh fading
Electronics Letters, 2022 Intelligent reflecting surfaces have attracted much attention recently as they can manipulate the wireless channel. However, the typical analysis of the downlink system considers the BS‐IRS‐UE link only. Apart from the BS‐IRS‐UE link, the BS‐UE link also
R. Dahlia Devapriya +2 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 leverage the incoming radiation from the source as a reference-wave to synthesize the desired wavefront ...
Okan Yurduseven +2 more
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Performance Assessment of Millimeter-Wave NOMA System With Intelligent Reflecting Surface
IEEE Access, 2022 This paper analyzes the performance of millimeter-wave (mmWave) non-orthogonal multiple access (NOMA) system with the aid of an intelligent reflecting surface (IRS).
Nguyen Van Vinh, Phan Van Tri
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