A tensor-based multi-stage channel estimation method for XL-CRIS-aided mmWave MIMO-NOMA systems that maintains angle-invariant near-field properties under beam squint.
Exploiting structured sparsity with low complexity sparse Bayesian learning for RIS-assisted MIMO mmWave channel estimation
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Near-Field Channel Estimation for Extremely Large-Scale Circular RIS-Aided mmWave MIMO-NOMA System with Beam Squint Effect
A tensor-based multi-stage channel estimation method for XL-CRIS-aided mmWave MIMO-NOMA systems that maintains angle-invariant near-field properties under beam squint.