High-efficient near-field channel characteristics analysis for large-scale MIMO communication systems

H Jiang, W Shi, X Chen, Q Zhu… - IEEE Internet of Things …, 2024 - ieeexplore.ieee.org
Large-scale multiple-input multiple-output (MIMO) holds great promise for the fifth-
generation (5G) and future communication systems. For near-field scenarios, the spherical …

Double self-sustainable reconfigurable intelligent surfaces aided wireless communications

J Wang, S Luo, Y Li, W **e, X Li… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
A double self-sustainable reconfigurable intelligent surfaces (RISs) assisted multi-user
multiple input multiple output (MIMO) system is investigated, where two RISs are equipped …

A Tutorial on Near-Field Driven 6G Networks

A Mukhopadhyay, FS Tseng, K Singh, SK Singh… - Authorea …, 2024 - techrxiv.org
With the advancement in the technological architecture of Sixth Generation (6G), the aspect
of near-field-driven designs has become more prominent. Besides, the shift towards the …

Bi-level deep unfolding based robust beamforming design for IRS-assisted ISAC system

W Liu, H Xu, X He, Y Ye, A Zhou - IEEE Access, 2024 - ieeexplore.ieee.org
In this paper, an intelligent reflecting surface (IRS)-assisted integrated sensing and
communication (ISAC) system is considered, where the ISAC base station (BS) serves the …

Near-Field Wideband Beamforming for RIS Based on Fresnel Zones

Q Yu, L Dai - IEEE Transactions on Communications, 2024 - ieeexplore.ieee.org
Reconfigurable intelligent surface (RIS) has emerged as a promising solution to overcome
the challenges of high path loss and easy signal blockage in millimeter-wave (mmWave) …

Deep reinforcement learning for near-field wideband beamforming in STAR-RIS networks

J Wang, J Sun, W Fang, Z Chen, Y Liu, Y Liu - Frontiers of Information …, 2024 - Springer
A simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS)
assisted multiuser near-field wideband communication system is investigated, in which a …

Max-Min Secure Energy Efficiency Optimization for STAR-RIS-Assisted Near-Field Wideband THz Communication

AA Nasir - IEEE Transactions on Green Communications and …, 2025 - ieeexplore.ieee.org
We investigate a simultaneous transmitting and reflecting (STAR)-RIS-assisted near-field
wideband terahertz communication system featuring multiple users and eavesdroppers on …

Beamforming optimization of meta-learning algorithm based on gradient descent in RIS-assisted ISAC system

X He, Y Ye, H Xu, W Liu, A Zhou - Physical Communication, 2024 - Elsevier
In this paper, we study an integrated sensing and communication (ISAC) system assisted by
reconfigurable intelligent surface (RIS). Our goal is to minimize the transmit power of the BS …

A Lightweight Channel Prediction Network for UAV-LEO Satellite Communications

J Wang, S Gong, J **ao, P Guo, J Wang… - IEEE Wireless …, 2024 - ieeexplore.ieee.org
A lightweight channel prediction network is proposed for millimeter wave low Earth orbit
(LEO) satellite communications supported by unmanned aerial vehicles (UAVs). To address …

Hybrid Near/Far-Field Channel Prediction for RIS-Aided LEO Satellite Networks

J **ao, J Wang, X Li, W **e, NC Luong… - IEEE …, 2024 - ieeexplore.ieee.org
A hybrid near-and far-field cascaded channel prediction scheme is proposed for
reconfigurable intelligent surface (RIS) assisted low earth orbit (LEO) satellite networks. In …