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Reinforcement Learning Routing Algorithm in Wireless Mesh IoT Networks

Liu, Yu; (2020) Reinforcement Learning Routing Algorithm in Wireless Mesh IoT Networks. Doctoral thesis (Ph.D), UCL (University College London). Green open access

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Abstract

Internet of Things (IoT) has become a central part of our connected world. Apart from the devices in our home, many IoT devices are located in remote areas supporting all kinds of industrial, agricultural and scientific applications. Networks providing connectivity that cover in the scale of kilometre squares are crucial for these remote deployments. The extensively used star topology is not perfect for the rural environment as the coverage is limited by the placement of the central hub which also contributes to be a single point of failure. Mesh networks are clearly more appealing in this regard, but scalability has always been an issue for mesh networks, especially in terms of routing. Energy provisioning can also be challenging in the remote IoT deployments, as the devices can be left in isolated fields for a long period of time. In this thesis, we addressed the routing problem of mesh-based remote sensor IoT networks by introducing a distributive energy-aware reinforcement learning (RL) based routing algorithm. The proposed algorithm makes routing decisions by holistically considering the energy consumption of the network. This aims to maximise the durability of the entire network while preserving usability. Through the comparisons of simulated results in the failure rate, energy efficiency and carrier band usage rate of the networks supported by the proposed RL algorithm and the other applicable algorithms in the long-range remote IoT networks, we identified the strength of the RL routing algorithm for the remote sensor networks. This thesis also presents a detailed analysis of the RL routing algorithm progressively to demonstrate the effectiveness of the algorithm.

Type: Thesis (Doctoral)
Qualification: Ph.D
Title: Reinforcement Learning Routing Algorithm in Wireless Mesh IoT Networks
Event: University College London
Open access status: An open access version is available from UCL Discovery
Language: English
Additional information: Copyright © The Author 2020. Original content in this thesis is licensed under the terms of the Creative Commons Attribution 4.0 International (CC BY 4.0) Licence (https://creativecommons.org/licenses/by/4.0/). Any third-party copyright material present remains the property of its respective owner(s) and is licensed under its existing terms. Access may initially be restricted at the author’s request.
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng
URI: https://discovery.ucl.ac.uk/id/eprint/10088828
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