A proof that, at the same array location, Massive MIMO always achieves higher SNR than an IRS, despite the IRS's faster N^2 scaling.
Smart radio environments empowered by re- configurable AI meta-surfaces: an idea whose time has come,
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Demystifying the Power Scaling Law of Intelligent Reflecting Surfaces and Metasurfaces
A proof that, at the same array location, Massive MIMO always achieves higher SNR than an IRS, despite the IRS's faster N^2 scaling.