Onboard Double Q-Learning for Airborne Data Capture in Wireless Powered IoT Networks

Li, Kai and Ni, Wei and Wei, Bo and Tovar, Eduardo (2020) Onboard Double Q-Learning for Airborne Data Capture in Wireless Powered IoT Networks. IEEE Networking Letters, 2 (2). pp. 71-75. ISSN 2576-3156

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Abstract

This letter studies the use of Unmanned Aerial Vehicles (UAVs) in Internet-of-Things (IoT) networks, where the UAV with microwave power transfer (MPT) capability is employed to hover over the area of interest, charging IoT nodes remotely and collecting their data. Scheduling MPT and data transmission is critical to reduce the data packet loss resulting from buffer overflows and channel fading. In practice, the prior knowledge of the battery level and data queue length of the IoT nodes is not available at the UAV. A new onboard double Q-learning scheduling algorithm is proposed to optimally select the IoT node to be interrogated for data collection and MPT along the flight trajectory of the UAV, thereby minimizing asymptotically the packet loss of the IoT networks. Simulations confirm the superiority of our algorithm to Q-learning based alternatives in terms of packet loss and learning efficiency/speed.

Item Type:
Journal Article
Journal or Publication Title:
IEEE Networking Letters
Subjects:
ID Code:
171681
Deposited By:
Deposited On:
14 Jun 2022 08:00
Refereed?:
Yes
Published?:
Published
Last Modified:
22 Nov 2022 11:33