Deep Reinforcement Learning-Based Drone Base Station Deployment for Wireless Communication Services

Getaneh Berie Tarekegn, Rong Terng Juang, Hsin Piao Lin, Yirga Yayeh Munaye, Li Chun Wang, Mekuanint Agegnehu Bitew

Research output: Contribution to journalArticlepeer-review

Abstract

Over the last few years, drone base station technology has been recognized as a promising solution to the problem of network design for wireless communication systems, due to its highly flexible deployment and dynamic mobility features. This paper focuses on the 3D mobility control of the drone base station to boost transmission coverage and network connectivity. We propose a dynamic and scalable control strategy for drone mobility using deep reinforcement learning (DRL). The design goal is to maximize communication coverage and network connectivity for multiple real-time users over a time horizon. The proposed method functions according to the received signals of mobile users, without the information of user locations. It is divided into two hierarchical stages. Firstly, a time-series convolutional neural network (CNN)-based link quality estimation model is used to determine the link quality at each timeslot. Secondly, a deep Q-learning algorithm is applied to control the movement of the drone base station in hotspot areas to meet user requirements. Simulation results show that the proposed method achieves significant network performance in terms of both communication coverage and network throughput in a dynamic environment, compared with Q-learning algorithm.

Original languageEnglish
Pages (from-to)1
Number of pages1
JournalIEEE Internet of Things Journal
DOIs
StateAccepted/In press - 2022

Keywords

  • Atmospheric modeling
  • Base stations
  • Channel estimation
  • communication coverage
  • convolutional neural network
  • DBS mobility control
  • deep reinforcement learning
  • Drones
  • Estimation
  • network connectivity
  • Satellite broadcasting
  • Three-dimensional displays
  • Wireless communication

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