Results 21 to 30 of about 153,389 (275)
Reconfigurable Intelligent Surfaces for Doppler Effect and Multipath Fading Mitigation
Frontiers in Communications and Networks, 2021 Owing to the envisioned new use-cases, such as immersive virtual reality and high-fidelity mobile hologram, and their potential challenging new requirements for future wireless networks, extensive research has already started on 6G and beyond wireless ...
Ertugrul Basar
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Hybrid Relay-Reflecting Intelligent Surface-Assisted Wireless Communications
IEEE Transactions on Vehicular Technology, 2022 Reconfigurable intelligent surface (RIS) has emerged as a cost- and energy-efficient solution to enhance the wireless communication capacity. However, recent studies show that a very large surface is required for a RIS-assisted communication system; otherwise, they may be outperformed by the conventional relay.
Nhan Thanh Nguyen +3 more
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A Survey on Intelligent-Reflecting-Surface-Assisted UAV Communications
Energies, 2022 Both the unmanned aerial vehicle (UAV) and intelligent reflecting surface (IRS) are attracting growing attention as enabling technologies for future wireless networks.
Ki-Won Park, Hyeon Min Kim, Oh-Soon Shin
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Intelligent Reflecting Surface Aided Multigroup Multicast MISO Communication Systems [PDF]
, 2020 Intelligent reflecting surface (IRS) has recently been envisioned to offer unprecedented massive multiple-input multiple-output (MIMO)-like gains by deploying large-scale and low-cost passive reflection elements. By adjusting the reflection coefficients,
Nallanathan, Arumugam +4 more
core +2 more sources
IET Communications, 2021 An intelligent‐reflecting‐surface aided multigroup multicast communication system is investigated in this paper. We develop energy‐efficient designs for both the precoding matrix at the base station and passive reflecting beamforming at intelligent ...
Junzhi Wang +2 more
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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
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Intelligent Reflecting Surface-Assisted Dual-Function Radar-Communication System
IEEE Access, 2023 We consider the design of a Dual-Function Radar-Communication (DFRC) system, aided by an Intelligent Reflecting Surface (IRS). The radar precoding matrix and IRS parameters are optimized to maximize the weighted sum of the signal-to-noise ratio (SNR) at ...
Yi-Kai Li, Athina P. Petropulu
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Intelligent Reflecting Surface in 6G Vehicular Communications: A Survey
IEEE Open Journal of Vehicular Technology, 2022 The applications of Intelligent Transportation System (ITS) and autonomous driving in the 6G era heavily rely on the massive information exchange of ultra-wide bandwidth, high reliability, and low latency to guarantee the safety and experience.
Yishi Zhu, Bomin Mao, Nei Kato
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Federated Learning via Intelligent Reflecting Surface [PDF]
IEEE Transactions on Wireless Communications, 2022 Over-the-air computation (AirComp) based federated learning (FL) is capable of achieving fast model aggregation by exploiting the waveform superposition property of multiple access channels. However, the model aggregation performance is severely limited by the unfavorable wireless propagation channels.
Zhibin Wang +6 more
openaire +3 more sources
Plasma-Based Intelligent Reflecting Surface for Beam-Steering and Polarization Conversion
IEEE Access, 2023 The design of a reflective surface operated in the GHz range is proposed to enable beam-steering and polarization conversion simultaneously. The concept presented in this work relies on plasma-based Intelligent Reflecting Surfaces (IRS) in which the ...
Mirko Magarotto +4 more
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