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Edge Computing and Wireless Power Transfer for Integrated Radar and Communication-Equipped IoT Systems

Le, H.H. and Long, N.H.K. and Luong, N.C. and Hoa, N.T. and Nam, T.X. and Kim, D.I. (2024) Edge Computing and Wireless Power Transfer for Integrated Radar and Communication-Equipped IoT Systems. IEEE Wireless Communications Letters. p. 1. ISSN 21622337

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Abstract

In this paper, we investigate the wireless power-enabled mobile edge computing (WP-MEC) for an integrated radar and communication (IRC)-equipped internet of things (IoT) system. The system allows an IoT device to harvest energy from a power station (PS) and offload its computation task to the PS. Furthermore, the system enables the IoT device to leverage the offloading bits for the radar tracking. Orthogonal frequency division multiplexing (OFDM) technique is used for the task offloading of the IoT devices. We aim to maximize computation efficiency over the IoT devices subject to their radar performance requirements by optimizing the energy transfer time, the OFDM subcarrier allocation to the devices, and the transmit power. Due to the stochastic and dynamic nature of the computing resource and the targets, we leverage a deep reinforcement learning (DRL) algorithm, namely Advantage Actor Critic (A2C), to solve the problem. Simulation results are provided to evaluate the effectiveness and improvement of the A2C algorithm. IEEE

Item Type: Article
Divisions: Offices > Office of International Cooperation
Identification Number: 10.1109/LWC.2024.3418928
Uncontrolled Keywords: Computation offloading; Computing power; Deep learning; Inductive power transmission; Internet of things; Orthogonal frequency division multiplexing; Reinforcement learning; Stochastic systems; Tracking radar, Actor critic; Advantage actor critic; Computing power; Edge computing; Integrated radar and communication; Orthogonal frequency-division multiplexing; Performances evaluation; Power station; Task analysis; Wireless communications, Energy transfer
URI: http://eprints.lqdtu.edu.vn/id/eprint/11292

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