Near-Field Channel Estimation for Extremely Large-Scale Array Communications: A model-based deep learning approach

no code implementations • 28 Nov 2022 • Xiangyu Zhang, Zening Wang, Haiyang Zhang, Luxi Yang

In particular, we first formulate the XL-MIMO near-field channel estimation task as a compressed sensing problem using the spatial gridding-based sparsifying dictionary, and then solve the resulting problem by applying the Learning Iterative Shrinkage and Thresholding Algorithm (LISTA).

Dictionary Learning