FIGURE 12 - available via license: Creative Commons Attribution 4.0 International
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Performance of the RIS with a multiple-layer structure when two RISs are deployed in a cell ("Target": the RIS tunes the signals using perfect CSI; "Nontarget": the RIS unexpectedly tunes the incident electromagnetic wave using the normal RIS; "scattering factor=1": perfect scattering; "scattering factor=0.9/.../ 0.1": the energy scattering coefficient scattered by the multilayer RIS)
Source publication
Reconfigurable intelligent surfaces (RISs) have attracted the attention of academia and industry circles because of their ability to control the electromagnetic characteristics of channel environments. However, it has been found that the introduction of an RIS may bring new and more serious network coexistence problems. It may even further deterior...
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The reconfigurable intelligent surface (RIS) is one of the most innovative and revolutionary technologies for increasing the effectiveness of wireless systems. Deep learning (DL) is a promising method that can enhance system efficacy using powerful tools in RIS-based environments. However, the lack of extensive training of the DL model results in t...
