Introduces a multiport network framework for nonlinear stacked intelligent metasurfaces with closed-form linear analysis, fixed-point nonlinear evaluation, adjoint gradients, and O(QK^3) complexity under stage isolation, validated in a 28 GHz near-field localization case study showing improved error
Communication mod- els for reconfigurable intelligent surfaces: From surface electromagnetics to wireless networks optimization
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Stacked Intelligent Metasurfaces (SIM) in the Nonlinear Regime: A Multiport Network Model Approach
Introduces a multiport network framework for nonlinear stacked intelligent metasurfaces with closed-form linear analysis, fixed-point nonlinear evaluation, adjoint gradients, and O(QK^3) complexity under stage isolation, validated in a 28 GHz near-field localization case study showing improved error