Results 1 to 10 of about 821 (84)
A Reconfigurable Intelligent Surface at mmWave Based on a Binary Phase Tunable Metasurface
IEEE Open Journal of the Communications Society, 2021 Originally introduced in the early 2010’s, the idea of smart environments through reconfigurable intelligent surfaces (RIS) controlling the reflections of the electromagnetic waves has attracted much attention in recent years in preparation for ...
Jean-Baptiste Gros +4 more
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STAR‐RIS‐assisted scheme for enhancing physical layer security in NOMA systems
IET Communications, 2022 Simultaneous transmitting and reflecting reconfigurable intelligent surface (STAR‐RIS) is capable of achieving full coverage area compared with conventional reflection‐only reconfigurable intelligent surface (RIS).
Shu Xu +4 more
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Hybrid Active–Passive Reconfigurable Intelligent Surface for Cooperative Transmission Systems
Applied Sciences, 2023 Reconfigurable intelligent surfaces (RISs) are acknowledged as one of the key technologies for the next-generation communication systems due to their low cost, high-energy efficiency, and the ability to intelligently control the wireless propagation ...
Wenhe Wang, Kang Song
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Corrections to “WiThRay: A Versatile Ray-Tracing Simulator for Smart Wireless Environments”
IEEE Access, 2023 In the above article [1], the reconfigurable intelligent surface (RIS) response model in (17) needs to be modified as follows:
Hyuckjin Choi +4 more
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Energy efficiency maximisation for STAR‐RIS assisted full‐duplex communications
IET Communications, 2023 Reconfigurable intelligent surface (RIS) has emerged as a promising technique for enhancing the performance of wireless networks. However, the traditional reflecting‐only RIS requires that the transmitter and receiver ought to be on the same side of the ...
Pengxin Guan +3 more
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IEEE Access, 2022 Reconfigurable intelligent surface (RIS) has been proven to be a promising technology for improving the performance of future wireless systems. However, since conventional RIS can only reflect or transmit (i.e., refract) incident signals, it limits the ...
Yiru Wang +3 more
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A Review of Phase-Change Materials and Their Potential for Reconfigurable Intelligent Surfaces
Micromachines, 2023 Phase-change materials (PCMs) and metal-insulator transition (MIT) materials have the unique feature of changing their material phase through external excitations such as conductive heating, optical stimulation, or the application of electric or magnetic
Randy Matos, Nezih Pala
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Beamforming design for active RIS‐aided NOMA networks
IET Communications, 2023 This paper studies the beamforming design for an active reconfigurable intelligent surface (RIS) aided non‐orthogonal multiple access (NOMA) network. It aims to minimize the transmission power while satisfying the requirement of the quality of service ...
Fengming Yang, Jianxin Dai, Cunhua Pan
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Cross-Tier Interference Mitigation for RIS-Assisted Heterogeneous Networks
Technologies, 2023 With the development of the next generation of mobile networks, new research challenges have emerged, and new technologies have been proposed to address them.
Abdel Nasser Soumana Hamadou +2 more
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IEEE Access, 2022 Recently, a reconfigurable intelligent surface (RIS) that provides alternative wireless propagation paths (by reflecting an electromagnetic wave from a base station in desired directions) has attracted attention as a key facilitating technology for ...
Jungi Jeong +4 more
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