Wideband Active RISs: Architecture, Modeling, and Beamforming Design

Reconfigurable intelligent surfaces (RISs) have become a candidate for future 6G networks. The concept of active RISs has been recently proposed to overcome the multiplicative fading of RIS aided reflected links. However, due to the frequency-selective channels, the narrowband active RISs suffer fro...

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Vydané v:	IEEE communications letters Ročník 27; číslo 7; s. 1
Hlavní autori:	Zhang, Jida, Li, Zhiyi, Zhang, Zijian
Médium:	Journal Article
Jazyk:	English
Vydavateľské údaje:	New York IEEE 01.07.2023 The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Predmet:	Algorithms Array signal processing Beamforming Broadband Communications systems Discrete Fourier transforms Modelling Narrowband OFDM Phase shift circuits Signal to noise ratio Subcarriers Time-domain analysis Wideband
ISSN:	1089-7798, 1558-2558
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