Federated learning in multi-RIS-aided systems

W Ni, Y Liu, Z Yang, H Tian… - IEEE Internet of Things …, 2021 - ieeexplore.ieee.org
The fundamental communication paradigms in the next-generation mobile networks are
shifting from connected things to connected intelligence. The potential result is that current …

Deep learning optimized sparse antenna activation for reconfigurable intelligent surface assisted communication

S Zhang, S Zhang, F Gao, J Ma… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Reconfigurable intelligent surface (RIS) is a revolutionary technology for achieving high rate
and large coverage in future wireless networks by smartly reflecting the signals with …

Joint transmit beamforming and phase shift design for reconfigurable intelligent surface assisted MIMO systems

J Wang, H Wang, Y Han, S Jin… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Reconfigurable intelligent surface (RIS) becomes an increasingly important technology in
sixth-generation (6G). The key aspect of RIS is smartly configuring the wireless propagation …

Multiple RISs assisted cell-free networks with two-timescale CSI: Performance analysis and system design

X Gan, C Zhong, C Huang, Z Yang… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Reconfigurable intelligent surface (RIS) can be employed in a cell-free system to create
favorable propagation conditions from base stations (BSs) to users via configurable …

Configuring intelligent reflecting surface with performance guarantees: Blind beamforming

S Ren, K Shen, Y Zhang, X Li, X Chen… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
This paper proposes a blind beamforming strategy for intelligent reflecting surface (IRS),
aiming to boost the signal-to-noise ratio (SNR) by coordinating phase shifts across the …

Active RIS-assisted secure transmission for cognitive satellite terrestrial networks

H Niu, Z Lin, K An, X Liang, Y Hu, D Li… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
This correspondence develops a physical-layer security scheme for a cognitive-satellite
terrestrial network, where the satellite and base station (BS) share the spectrum resource …

Jamming mitigation via aerial reconfigurable intelligent surface: Passive beamforming and deployment optimization

X Tang, D Wang, R Zhang, Z Chu… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
This correspondence reveals the potential of reconfigurable intelligent surface (RIS) in anti-
jamming communications. In particular, we consider an aerial RIS (ARIS) that can be flexibly …

On the sum-rate of RIS-assisted MIMO multiple-access channels over spatially correlated Rician fading

K Xu, J Zhang, X Yang, S Ma… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Reconfigurable intelligent surface (RIS) stands out as a promising technology by enhancing
the electromagnetic wave propagation environment with its passive reflecting elements. In …

Joint channel estimation and data detection for hybrid RIS aided millimeter wave OTFS systems

M Li, S Zhang, Y Ge, F Gao… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
For high mobility communication scenario, the recently emerged orthogonal time frequency
space (OTFS) modulation introduces a new delay-Doppler domain signal space, and can …

Learning-based prediction, rendering and transmission for interactive virtual reality in RIS-assisted terahertz networks

X Liu, Y Deng, C Han… - IEEE Journal on Selected …, 2021 - ieeexplore.ieee.org
The quality of experience (QoE) requirements of wireless virtual reality (VR) can only be
satisfied with high data rate, high reliability, and low VR interaction latency. This high data …