Reconfigurable Intelligent Surfaces for 6G: Nine Fundamental Issues and One Critical Problem (IMAGE)

Tsinghua University Press

Reconfigurable Intelligent Surfaces for 6G: Nine Fundamental Issues and One Critical Problem

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Comparison between the conventional passive RISs and the novel active RISs, where the active RIS is additionally integrated with reflection-type amplifiers to overcome the “multiplicative fading” effect.

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Tsinghua Science and Technology, Tsinghua University Press

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