A two-stage tensor method using Kronecker sum approximation and nested PARAFAC decompositions enables blind multi-target estimation in BD-RIS bistatic sensing, outperforming diagonal RIS.
Tensor-based channel estimation and data- aided tracking in IRS-assisted MIMO systems,
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Multi-Target Estimation via Tensor Decomposition for Beyond Diagonal RIS-Aided Bistatic Sensing
A two-stage tensor method using Kronecker sum approximation and nested PARAFAC decompositions enables blind multi-target estimation in BD-RIS bistatic sensing, outperforming diagonal RIS.