Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Cognitive Radio Resource Scheduling using Multi agent QLearning for LTE

Version 1 : Received: 18 June 2022 / Approved: 21 June 2022 / Online: 21 June 2022 (03:57:22 CEST)

How to cite: Sirhan, N.; Martinez-Ramon, M. Cognitive Radio Resource Scheduling using Multi agent QLearning for LTE. Preprints 2022, 2022060279. https://doi.org/10.20944/preprints202206.0279.v1 Sirhan, N.; Martinez-Ramon, M. Cognitive Radio Resource Scheduling using Multi agent QLearning for LTE. Preprints 2022, 2022060279. https://doi.org/10.20944/preprints202206.0279.v1

Abstract

In this paper, we propose, implement, and test two novel downlink LTE scheduling algorithms. The implementation and testing of these algorithms were in Matlab, and they are based on the use of Reinforcement Learning, more specifically, the Qlearning technique for scheduling two types of users. The first algorithm is called a Collaborative scheduling algorithm, and the second algorithm is called a Competitive scheduling algorithm. The first type of the scheduled users is the Primary Users, and they are the licensed subscribers that pay for their service. The second type of the scheduled users is the Secondary Users, and they could be unlicensed subscribers that dont pay for their service, device to device communications, or sensors. Each user whether it is a primary or secondary is considered as an agent. In the Collaborative scheduling algorithm, the primary user agents will collaborate in order to make a joint scheduling decision about allocating the resource blocks to each one of them, then the secondary user agents will compete among themselves to use the remaining resource blocks. In the Competitive scheduling algorithm, the primary user agents will compete among themselves over the available resources, then the secondary user agents will compete among themselves over the remaining resources. Experimental results show that both scheduling algorithms converged to almost ninety percent utilization of the spectrum, and provided fair shares of the spectrum among users.

Keywords

Long Term Evolution; Radio Resource Management; Packet Scheduling; Cognitive Radio; Multi agent Qlearning; Matlab

Subject

Computer Science and Mathematics, Artificial Intelligence and Machine Learning

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