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   Articles with "air computation" as a keyword



Joint beamforming design for full‐duplex wireless powered over‐the‐air computation systems with self‐energy recycling

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recommendations! Published in 2024 at "Electronics Letters"

DOI: 10.1049/ell2.13220

Abstract: For over‐the‐air computation (AirComp) systems, energy‐constrained sensors become a bottleneck to improve the performances. To address this issue, in this letter, a full‐duplex (FD) wireless powered AirComp system with self‐energy recycling is proposed, where all… read more here.

Keywords: energy; air computation; full duplex; self energy ... See more keywords
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Over-the-Air Computation for IoT Networks: Computing Multiple Functions With Antenna Arrays

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recommendations! Published in 2018 at "IEEE Internet of Things Journal"

DOI: 10.1109/jiot.2018.2843321

Abstract: Over-the-air computation combines communication and computation efficiently by utilizing the superposition property of wireless channels, when Internet of Things (IoT) networks focus more on the computed functions than the individual messages. In this paper, we… read more here.

Keywords: air computation; computation; antenna arrays; iot devices ... See more keywords

Gradient and Channel Aware Dynamic Scheduling for Over-the-Air Computation in Federated Edge Learning Systems

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recommendations! Published in 2022 at "IEEE Journal on Selected Areas in Communications"

DOI: 10.1109/jsac.2023.3242727

Abstract: To satisfy the expected plethora of computation-heavy applications, federated edge learning (FEEL) is a new paradigm featuring distributed learning to carry the capacities of low-latency and privacy-preserving. To further improve the efficiency of wireless data… read more here.

Keywords: computation; federated edge; air computation; edge learning ... See more keywords

Joint Beamforming Optimization in Multi-Relay Assisted MIMO Over-the-Air Computation for Multi-Modal Sensing Data Aggregation

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recommendations! Published in 2021 at "IEEE Communications Letters"

DOI: 10.1109/lcomm.2021.3120182

Abstract: In this letter, we investigate a multi-relay assisted over-the-air computation network for multi-modal sensing with direct links, where each node is equipped with multiple antennas and all the relays are operated in an amplify-and-forward mode.… read more here.

Keywords: multi relay; air computation; multi; computation ... See more keywords

Secure Transceiver Design and Power Control for Over-the-Air Computation Networks

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recommendations! Published in 2022 at "IEEE Communications Letters"

DOI: 10.1109/lcomm.2022.3169513

Abstract: This letter investigates the physical layer security (PLS) for over-the-air computation (AirComp) networks. We propose a self-protection scheme to safeguard AirComp networks against eavesdropping using a full-duplex fusion center (FC), which transmits jamming noise to… read more here.

Keywords: computation; air computation; power control;

Worst-Case Design for RIS-Aided Over-the-Air Computation With Imperfect CSI

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recommendations! Published in 2022 at "IEEE Communications Letters"

DOI: 10.1109/lcomm.2022.3183869

Abstract: Over-the-air computation (AirComp) enables fast wireless data aggregation at the receiver through concurrent transmission by sensors in the application of Internet-of-Things (IoT). To further improve the performance of AirComp under unfavorable propagation channel conditions, we… read more here.

Keywords: computation; ris aided; design; air computation ... See more keywords

Orthogonal Space–Time Block Code Based Over-the-Air Computation in Backscatter Sensor Networks

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recommendations! Published in 2024 at "IEEE Communications Letters"

DOI: 10.1109/lcomm.2024.3381734

Abstract: In backscatter sensor networks, performing over-the-air computation (AirComp) is challenging, because backscatter devices are impossible to accomplish channel estimation and precoding operations to offset the distortions caused by wireless channels. In this letter, we propose… read more here.

Keywords: orthogonal space; sensor networks; air computation; backscatter sensor ... See more keywords

Joint Optimization for Power-Splitting Relay-Assisted Over-the-Air Computation Networks

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recommendations! Published in 2025 at "IEEE Communications Letters"

DOI: 10.1109/lcomm.2025.3545370

Abstract: Relays can significantly improve the performance of over-the-air computation (AirComp) networks, especially when the sensors and the fusion center (FC) are far apart. However, the relay’s energy supply is a common constraint factor of relay-assisted… read more here.

Keywords: relay assisted; air computation; power splitting; power ... See more keywords

Simultaneous Signal-and-Interference Alignment for Two-Cell Over-the-Air Computation

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recommendations! Published in 2020 at "IEEE Wireless Communications Letters"

DOI: 10.1109/lwc.2020.2988999

Abstract: The next-generation wireless -20mm]Our records show Qiao Lan is a Graduate Student Member, IEEE. Please verify. networks are envisioned to support large-scale sensing and distributed machine learning, thereby enabling new intelligent mobile applications. One common… read more here.

Keywords: two cell; air computation; interference; cell ... See more keywords

Performance Analysis of UAV-Enabled Over-the-Air Computation Under Imperfect Channel Estimation

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recommendations! Published in 2022 at "IEEE Wireless Communications Letters"

DOI: 10.1109/lwc.2021.3130002

Abstract: Over-the-air computation (AirComp) is a powerful technique to combine data collected from an enormous number of nodes with limited bandwidth availability. When unmanned aerial vehicles are involved in AirComp as flying fusion centers (FFCs), ultrafast… read more here.

Keywords: imperfect channel; channel estimation; channel; air computation ... See more keywords

Reconfigurable Intelligent Surfaces-Aided Federated Learning in Over-the-Air Computation

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recommendations! Published in 2024 at "IEEE Wireless Communications Letters"

DOI: 10.1109/lwc.2024.3399828

Abstract: In this letter, we investigate a joint design scheme of phase shifts and a beamforming vector in over-the-air federated learning (FL) with a reconfigurable intelligent surface (RIS). It is well known that the more edge… read more here.

Keywords: air computation; air; reconfigurable intelligent; federated learning ... See more keywords