A Survey on Stacked Intelligent Metasurfaces: Fundamentals, Recent Advances, and Challenges

2026-03-09T08:51:47Z38e98024bccba58f5f653bea9d24d5f8345817ab5e6c12f68203968e91ab2815
6GCSIISACMIMOPMURISROI-constrained inversionSC-NOFSSC-OFDMSIMchannel estimationelectromagnetic inverse scatteringfrequency responsegraph attention networkin-wave computationoscillation observabilityphasor measurement unitreconfigurable intelligent surfacereinforcement learningretrieval-assisted localizationstacked intelligent metasurfacesunderwater communications','secrecy optimization','energy-harvеѕupper mid-band (UMB)waveform designwindowed DFT

What happened

Collection of new arXiv eess_sp papers (published 2026-03-09) covering reconfigurable/stacked intelligent metasurfaces (SIMs) and in-wave computation for 6G front-ends, modeling and hardware realizations for SIMs, RIS-assisted channel estimation in upper mid-band MIMO, ill-posedness analysis of CSI-based electromagnetic inverse scattering (ISAC) and ROI-constrained solution, frequency response of windowed-DFT phasor estimation for PMUs and a recovery method, waveform design integrating orthogonality/non-orthogonality (SC-OFDM / SC-NOFS) for 6G, reinforcement-learning-based secrecy optimization

Why it matters

A reviewed impact interpretation has not been published for this record.

Evidence and limitations

Source ID
arxiv_eess_sp
Record identifier
38e98024bccba58f5f653bea9d24d5f8345817ab5e6c12f68203968e91ab2815
Enrichment time
2026-03-09T08:51:47Z
AI-assisted enrichment
Yes

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