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Cascaded Channel Decoupling Based Solution for RIS Regulation Matrix

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arxiv 2312.00218 v1 pith:TCJOBEJZ submitted 2023-07-27 cs.IT eess.SPmath.IT

Cascaded Channel Decoupling Based Solution for RIS Regulation Matrix

classification cs.IT eess.SPmath.IT
keywords channeldecouplingregulationcascadedmatrixproposedsolutionaccess
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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This article presents a novel solution for reconfigurable intelligent surfaces (RISs) based on cascaded channel decoupling. The proposed mechanism simplifies the RIS regulation matrix, by decomposing the electromagnetic wave regulation process into two sub-processes: virtual receiving response and virtual regular transmission, which leads to the decoupling of the RIS cascaded channel. This article further discusses the concrete implementation of the proposed channel decoupling mechanism in two scenarios of single-user access and multi-user access, and gives the corresponding detailed scheme. The numerical simulation results demonstrate that the proposed channel decoupling scheme is a low-complexity and effective solution for resolving the RIS regulation matrix.

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