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most citedHybrid Message Passing-Based Detectors for Uplink Grant-Free NOMA Systems

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eess.SP2025

Multi-dimensional Parameter Estimation in RIS-aided MU-MIMO-OFDM Channels

Linlin Mo, Yi Song, Fabio Saggese +3

We address the channel estimation (CE) problem in reconfigurable intelligent surface (RIS) aided orthogonal frequency-division multiplexing (OFDM) systems by proposing a dual-struc…