Abstract:We study uplink radio simultaneous localization and mapping (SLAM) in a pre-calibrated phase-coherent distributed MIMO (D-MIMO) system at a minimal sensing-resource operating point: a single-antenna user equipment (UE) transmits one narrowband pilot, and each single-antenna access points (APs) provides one complex observation. We formulate coherent matched-filter imaging over a spatial grid, where the UE, virtual UEs associated with planar reflectors, and point scatterers share an equivalent-source representation. A greedy detect-and-cancel procedure separates these components. Simulations show that, at the considered noise level, weak-target recovery is limited primarily by cancellation residuals and model saturation, rather than by the noise floor.
From: Yu Ge [view email]
[v1]
Wed, 15 Apr 2026 12:41:10 UTC (1,394 KB)
[v2]
Mon, 20 Apr 2026 15:53:37 UTC (1,394 KB)
[v3]
Fri, 28 Aug 2026 16:32:19 UTC (589 KB)
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