Volume 31 Issue 3
May  2022
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WANG Chaowei, CUI Yuling, DENG Danhao, WANG Weidong, JIANG Fan. Trajectory Optimization and Power Allocation Scheme Based on DRL in Energy Efficient UAV-Aided Communication Networks[J]. Chinese Journal of Electronics, 2022, 31(3): 397-407. doi: 10.1049/cje.2021.00.314
Citation: WANG Chaowei, CUI Yuling, DENG Danhao, WANG Weidong, JIANG Fan. Trajectory Optimization and Power Allocation Scheme Based on DRL in Energy Efficient UAV-Aided Communication Networks[J]. Chinese Journal of Electronics, 2022, 31(3): 397-407. doi: 10.1049/cje.2021.00.314

Trajectory Optimization and Power Allocation Scheme Based on DRL in Energy Efficient UAV-Aided Communication Networks

doi: 10.1049/cje.2021.00.314
Funds:  This work was supported by the National Key R&D Program of China (2020YFB1807204)
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  • Author Bio:

    was born in Sichuan Province in 1982. He received the Ph.D. degree from Beijing University of Posts and Telecommunications in 2010. He is currently an Associate Professor at the School of Electronic Engineering, Beijing University of Posts and Telecommunications. His research interests include wireless communications and IoT applications. (Email: wangchaowei@bupt.edu.cn)

    was born in Hebei Province in 1996. She is pursuing the M.S. degree in electronics and communication engineering at Beijing University of Posts and Telecommunications. Her research interests include UAV-assisted communications and resource management. (Email: cuiyuling@bupt.edu.cn)

    was born in Hebei Province in 1996. She is currently pursuing the Ph.D. degree with Beijing University of Posts and Telecommunications. Her research interests include unmanned aerial vehicle communication networks, space-earth convergence networks and resource management. (Email: dengdanhao@bupt.edu.cn)

    (corresponding author) was born in Inner Mongolia in 1967. He received the Ph.D. degree from Beijing University of Posts and Telecommunications in 2002. He is currently a Full Professor of School of Electronic Engineering at Beijing University of Posts and Telecommunications. His research interests include communication system, radio resource management, Internet of things and signal processing. (Email: wangweidong@bupt.edu.cn)

    was born in Shaan-xi Province in 1982. She received the Ph.D. degree from Beijing University of Posts and Telecommunications in 2010. She is currently a Full Professor at Xi’an University of Posts and Telecommunications. Her research interests include wireless and mobile communications. (Email: fjiangwbc@gmail.com)

  • Received Date: 2021-08-31
  • Accepted Date: 2021-09-24
  • Available Online: 2022-03-08
  • Publish Date: 2022-05-05
  • With flexibility, convenience and mobility, unmanned aerial vehicles (UAVS) can provide wireless communication networks with lower costs, easier deployment, higher network scalability and larger coverage. This paper proposes the deep deterministic policy gradient algorithm to jointly optimize the power allocation and flight trajectory of UAV with constrained effective energy to maximize the downlink throughput to ground users. To validate the proposed algorithm, we compare with the random algorithm, Q-learning algorithm and deep Q network algorithm. The simulation results show that the proposed algorithm can effectively improve the communication quality and significantly extend the service time of UAV. In addition, the downlink throughput increases with the number of ground users.
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