Intelligent Reflecting Surface Aided AirComp: Multi-Timescale Design and Performance Analysis

G Chen, J Li, Q Wu, M Hua, K Meng, Z Lyu - arXiv preprint arXiv …, 2024 - arxiv.org
The integration of intelligent reflecting surface (IRS) into over-the-air computation (AirComp)
is an effective solution for reducing the computational mean squared error (MSE) via its high …

Intelligent reflecting surface assisted multi-cluster AirComp via dynamic beamforming

Y Zhao, Q Wu, W Chen, C Wu… - IEEE Communications …, 2023 - ieeexplore.ieee.org
This letter studies an multi-cluster over-the-air computation (AirComp) system, where an
intelligent reflecting surface (IRS) assists the signal transmission from devices to an access …

Double-RIS assisted over-the-air computation

J Li, M Fu, Y Zhou, Y Shi - 2021 IEEE Globecom Workshops …, 2021 - ieeexplore.ieee.org
Over-the-air computation (AirComp) is a promising multiple-access scheme that seamlessly
integrates the computation and communication by leveraging the waveform superposition …

Simultaneously transmitting and reflecting (STAR) RIS assisted over-the-air computation systems

X Zhai, G Han, Y Cai, Y Liu… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
The performance of over-the-air computation (AirComp) systems degrades due to the hostile
channel conditions of wireless devices (WDs), which can be significantly improved by the …

Optimizing over-the-air computation in IRS-aided C-RAN systems

D Yu, SH Park, O Simeone… - 2020 IEEE 21st …, 2020 - ieeexplore.ieee.org
Over-the-air computation (AirComp) is an efficient solution to enable federated learning on
wireless channels. Air-Comp assumes that the wireless channels from different devices can …

Over-the-air computation via intelligent reflecting surfaces

T Jiang, Y Shi - 2019 IEEE Global Communications Conference …, 2019 - ieeexplore.ieee.org
Over-the-air computation (AirComp) becomes a promising approach for fast wireless data
aggregation via exploiting the superposition property in a multiple access channel. To …

Beamforming design based on two-stage stochastic optimization for RIS-assisted over-the-air computation systems

X Zhai, G Han, Y Cai, L Hanzo - IEEE Internet of Things Journal, 2021 - ieeexplore.ieee.org
Over-the-air computation (AirComp) has been recognized as a promising technique of
enabling the fusion center (FC) to aggregate the data gleaned from massive distributed …

Beamforming design for active RIS-aided over-the-air computation

D Zhang, M Xiao, M Skoglund, HV Poor - arXiv preprint arXiv:2311.18418, 2023 - arxiv.org
Over-the-air computation (AirComp) is emerging as a promising technology for wireless data
aggregation. However, its performance is hampered by users with poor channel conditions …

Wireless-powered over-the-air computation in intelligent reflecting surface-aided IoT networks

Z Wang, Y Shi, Y Zhou, H Zhou… - IEEE Internet of Things …, 2020 - ieeexplore.ieee.org
Fast wireless data aggregation and efficient battery recharging are two critical design
challenges of Internet-of-Things (IoT) networks. Over-the-air computation (AirComp) and …

Joint beamforming aided over-the-air computation systems relying on both BS-side and user-side reconfigurable intelligent surfaces

X Zhai, G Han, Y Cai, L Hanzo - IEEE transactions on wireless …, 2022 - ieeexplore.ieee.org
Over-the-air computation (AirComp) has received substantial attention, given its ability to
aggregate massive amounts of data from distributed wireless devices (WDs). However, the …