Quadratic scaling of received signal power with RIS element count is achievable in L-operator systems only when group-connected BD-RIS has group size Gs >= L; conventional single-connected RIS yields only linear scaling.
End-to-end mutual coupling a ware communication model for reconfigurable intelligent surfac es: An electromagnetic-compliant approach based on mutual imped ances
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RIS Optimization and Scaling Laws in Multi-Operator Systems: Is Quadratic Scaling Achievable?
Quadratic scaling of received signal power with RIS element count is achievable in L-operator systems only when group-connected BD-RIS has group size Gs >= L; conventional single-connected RIS yields only linear scaling.