期刊
SENSORS
卷 22, 期 8, 页码 -出版社
MDPI
DOI: 10.3390/s22083031
关键词
admission control; resource allocation; resource scheduling; resource orchestration; network slicing; deep reinforcement learning
资金
- Bicentennial Doctoral Scholarship for Excellence initiative - Science, Technology and Innovation Fund of the Colombian Government's Royalties program [BB 2019 01]
- Ministry of Information and Communication Technologies, Colombia [823]
This paper discusses the importance of network slicing and deep reinforcement learning for achieving 5G and 6G networks, and analyzes the methods of using reinforcement learning and deep reinforcement learning algorithms in network slice resource management. It analyzes various aspects of the problem and provides research directions related to this field.
Network Slicing and Deep Reinforcement Learning (DRL) are vital enablers for achieving 5G and 6G networks. A 5G/6G network can comprise various network slices from unique or multiple tenants. Network providers need to perform intelligent and efficient resource management to offer slices that meet the quality of service and quality of experience requirements of 5G/6G use cases. Resource management is far from being a straightforward task. This task demands complex and dynamic mechanisms to control admission and allocate, schedule, and orchestrate resources. Intelligent and effective resource management needs to predict the services' demand coming from tenants (each tenant with multiple network slice requests) and achieve autonomous behavior of slices. This paper identifies the relevant phases for resource management in network slicing and analyzes approaches using reinforcement learning (RL) and DRL algorithms for realizing each phase autonomously. We analyze the approaches according to the optimization objective, the network focus (core, radio access, edge, and end-to-end network), the space of states, the space of actions, the algorithms, the structure of deep neural networks, the exploration-exploitation method, and the use cases (or vertical applications). We also provide research directions related to RL/DRL-based network slice resource management.
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