A Spatially Non-stationary Fading Channel Model for Simulation and (Semi-) Analytical Study of ELAA-MIMO

J Liu, Y Ma, R Tafazolli - IEEE Transactions on Wireless …, 2023 - ieeexplore.ieee.org
In this paper, a novel spatially non-stationary fading channel model is proposed for multiple-
input multiple-output (MIMO) system with extremely-large aperture service-array (ELAA). The …

Near and far field model mismatch: Implications on 6G communications, localization, and sensing

A Elzanaty, J Liu, A Guerra, F Guidi… - IEEE Internet of …, 2024 - ieeexplore.ieee.org
The upcoming 6G technology is expected to operate in near-field (NF) radiating conditions
thanks to high-frequency and electrically large antenna arrays. Although several studies …

Accelerating Iteratively Linear Detectors in Multi-User (ELAA-) MIMO Systems with UW-SVD

J Liu, Y Ma, J Wang, R Tafazolli - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Current iterative multiple-input multiple-output (MIMO) detectors suffer from slow
convergence when the wireless channel is ill-conditioned. The ill-conditioning is mainly …

Alternative normalized-preconditioning for scalable iterative large-MIMO detection

J Liu, Y Ma, R Tafazolli - GLOBECOM 2023-2023 IEEE Global …, 2023 - ieeexplore.ieee.org
Signal detection in large multiple-input multiple-output (large-MIMO) systems presents
greater challenges compared to conventional massive-MIMO for two primary reasons. First …

Iterative Inversion of (ELAA-)MIMO Channels Using Symmetric Rank- Regularization

J Wang, Y Ma, R Tafazolli - arXiv preprint arXiv:2402.15334, 2024 - arxiv.org
While iterative matrix inversion methods excel in computational efficiency, memory
optimization, and support for parallel and distributed computing when managing large …

Fast Iterative ELAA-MIMO Detection Exploiting Static Channel Components

J Liu, Y Ma, R Tafazolli - 2024 IEEE Information Theory …, 2024 - ieeexplore.ieee.org
Extremely large aperture array (ELAA) is a promising multiple-input multiple-output (MIMO)
technique for next generation mobile networks. In this paper, we propose two novel …

[PDF][PDF] ELAA-MIMO

J Liu, Y Ma, R Tafazolli - researchgate.net
In this paper, a novel spatially non-stationary fading channel model is proposed for multiple-
input multiple-output (MIMO) system with extremely-large aperture service-array (ELAA). The …