Enhanced Reinforcement Learning Algorithm Based-Transmission Parameter Selection for Optimization of Energy Consumption and Packet Delivery Ratio in LoRa Wireless Networks

Zholamanov B. Bolatbek A. Saymbetov A. Nurgaliyev M. Yershov E. Kopbay K. Orynbassar S. Dosymbetova G. Kapparova A. Kuttybay N. Koshkarbay N.
December 2024 Multidisciplinary Digital Publishing Institute (MDPI)

Journal of Sensor and Actuator Networks
2024 #13 Issue 6

Wireless communication technologies (WSN) are pivotal for the successful deployment of the Internet of Things (IoT). Among them, long-range (LoRa) and long-range wide-area network (LoRaWAN) technologies have been widely adopted due to their ability to provide long-distance communication, low energy consumption (EC), and cost-effectiveness. One of the critical issues in the implementation of wireless networks is the selection of optimal transmission parameters to minimize EC while maximizing the packet delivery ratio (PDR). This study introduces a reinforcement learning (RL) algorithm, Double Deep Q-Network with Prioritized Experience Replay (DDQN-PER), designed to optimize network transmission parameter selection, particularly the spreading factor (SF) and transmission power (TP). This research explores a variety of network scenarios, characterized by different device numbers and simulation times. The proposed approach demonstrates the best performance, achieving a 17.2% increase in the packet delivery ratio compared to the traditional Adaptive Data Rate (ADR) algorithm. The proposed DDQN-PER algorithm showed PDR improvement in the range of 6.2–8.11% compared to other existing RL and machine-learning-based works.

Adaptive Data Rate , Double Deep Q-Network with Prioritized Experience Replay (DDQN-PER) , energy consumption , LoRaWAN , packet delivery ratio , reinforcement learning , transmission parameter selection , wireless sensor networks

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Faculty of Physics and Technology, Al-Farabi Kazakh National University, 71 Al-Farabi, Almaty, 050040, Kazakhstan

Faculty of Physics and Technology

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