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 …

Over-the-Air Computation in OFDM Systems with Imperfect Channel State Information

Y Chen, H Xing, J Xu, L Xu, S Cui - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
This paper studies the over-the-air computation (AirComp) in an orthogonal frequency
division multiplexing (OFDM) system with imperfect channel state information (CSI), in which …

[HTML][HTML] MIMO over-the-air computation for distributed estimation

P Park, H Shin, P Di Marco - Applied Sciences, 2023 - mdpi.com
MIMO over-the-air computation (MIMO-AirComp) is a recently proposed technique that
leverages the superposition property of the multiple access channel to compute the target …

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 …

Over-the-air computation systems: Optimal design with sum-power constraint

X Zang, W Liu, Y Li, B Vucetic - IEEE Wireless Communications …, 2020 - ieeexplore.ieee.org
Over-the-air computation (AirComp), which leverages the superposition property of wireless
multiple-access channel (MAC) and the mathematical tool of function representation, has …

Hybrid beamforming for massive MIMO over-the-air computation

X Zhai, X Chen, J Xu, DWK Ng - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Over-the-air computation (AirComp) has been recognized as a promising technique in
Internet-of-Things (IoT) networks for fast data aggregation from a large number of wireless …

[HTML][HTML] Beamforming techniques for over-the-air computation in MIMO IoT networks

YS Lee, KH Lee, BC Jung - Sensors, 2020 - mdpi.com
In this paper, a novel beamforming technique is proposed as the over-the-air computation
(AirComp) framework in a multiple-input multiple-output (MIMO) Internet-of-things (IoT) …

Hardware Impairments Effects on Over the Air System Assisted by Unmanned Aerial Vehicle

H Alsmadi, E Saleh, M Alsmadi… - IEEE Communications …, 2024 - ieeexplore.ieee.org
Unmanned aerial vehicles (UAVs) can efficiently serve as fusion centers (FCs) to assist in
over-the-air computation (OAC) for rapid data aggregation from massive sensors. However …

High-mobility multi-modal sensing for IoT network via MIMO AirComp: A mixed-timescale optimization approach

X Chen, A Liu, MJ Zhao - IEEE Communications Letters, 2020 - ieeexplore.ieee.org
Multiple-input-multiple-output (MIMO) over-the-air Computation (AirComp) is a promising
technique for implementing high-mobility multi-modal sensing (HMS) to compute multiple …

A survey on over-the-air computation

A Şahin, R Yang - IEEE Communications Surveys & Tutorials, 2023 - ieeexplore.ieee.org
Communication and computation are often viewed as separate tasks. This approach is very
effective from the perspective of engineering as isolated optimizations can be performed …