How to differentiate between near field and far field: Revisiting the Rayleigh distance

S Sun, R Li, C Han, X Liu, L Xue… - IEEE Communications …, 2025 - ieeexplore.ieee.org
Future wireless systems are likely to adopt extremely large aperture arrays to achieve higher
throughput, wider coverage, and higher spatial resolution. Conventional wireless systems …

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 …

Joint Localization, Synchronization and Mapping via Phase-Coherent Distributed Arrays

A Fascista, BJB Deutschmann… - IEEE Journal of …, 2025 - ieeexplore.ieee.org
Extremely large-scale antenna array (ELAA) systems emerge as a promising technology in
beyond 5 G and 6 G wireless networks to support the deployment of distributed …

RIS-Enabled NLoS Near-Field Joint Position and Velocity Estimation under User Mobility

M Rahal, B Denis, MF Keskin, B Uguen… - IEEE Journal of …, 2024 - ieeexplore.ieee.org
In the context of single-(BS) nonline-of-sight (NLoS) single-epoch localization with the aid of
a reflective (RIS), this paper introduces a novel three-step algorithm that jointly estimates the …

Distance-Aware Beamspace Modulation for Near-Field Spectral Efficiency Improvement

K Qu, K Pang, H Zhao, A Elzanaty… - IEEE Wireless …, 2024 - ieeexplore.ieee.org
In the near-field region of extremely large-scale multiple-input multiple-output (XL-MIMO),
the spatial degrees of freedom (DoFs) increase sharply. Beamspace modulation (BM) is an …

Dual Functional mm Wave RIS for Radar and Communication Coexistence in Near Field

A Tishchenko, A Elzanaty, F Guidi… - 2024 18th European …, 2024 - ieeexplore.ieee.org
Sixth-generation cellular networks (6G) are expected to involve data communications and
sensing capabilities, enabling a wide range of applications. This paper proposes a novel …

[PDF][PDF] 6G Near-Field Technologies White Paper

T Cui, X You, Y Eldar, L Dai, J Zhang, Y Yuan, B Zheng… - researchgate.net
As the commercialization of 5G wireless networks gains momentum, there is a growing
emphasis on exploratory research into the upcoming 6G wireless networks. This era of …