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Multi-Functional RIS-Aided Wireless Communications
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AI
DOI：10.1109/JIOT.2023.3312663.png)
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摘要
En 中文
In this article, we propose a multi-functional reconfigurable intelligent surface (MF-RIS) to address the half-space coverage and double-fading attenuation issues faced by existing RISs. By simultaneously reflecting, refracting, and amplifying the incident signal, the proposed MF-RIS is capable of realizing full-space coverage with the mitigated signal degradation. The operation principle of the MF-RIS is first provided, and then an efficient beamforming scheme is proposed for MF-RIS-aided wireless communications. Simulation results show that, through combining multiple functions on one surface, the MF-RIS achieves significant throughput improvement over existing RISs.
Keyword:
Beamforming design
multi-functional reconfigurable intelligent surface (MF-RIS)
operation principle
rate maximization
期刊
IF:
8.9
论文数:
1.4W
被引数:
7.8W
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