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Constrained Deep Reinforcement Learning for Fronthaul Compression Optimization
KTH, School of Engineering Sciences (SCI), Mathematics (Dept.), Mathematics (Div.). Stockholm Research Centre, Huawei Technologies Sweden AB, Sweden.
KTH, School of Electrical Engineering and Computer Science (EECS), Intelligent systems, Decision and Control Systems (Automatic Control).ORCID iD: 0000-0001-9083-5260
KTH, School of Electrical Engineering and Computer Science (EECS), Intelligent systems, Decision and Control Systems (Automatic Control).ORCID iD: 0000-0002-4403-1066
Stockholm Research Centre, Huawei Technologies Sweden AB, Sweden.
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2024 (English)In: 2024 IEEE International Conference on Machine Learning for Communication and Networking, ICMLCN 2024, Institute of Electrical and Electronics Engineers (IEEE) , 2024, p. 498-504Conference paper, Published paper (Refereed)
Abstract [en]

In the Centralized-Radio Access Network (C-RAN) architecture, functions can be placed in the central or distributed locations. This architecture can offer higher capacity and cost savings but also puts strict requirements on the fronthaul (FH), these constraints can be any number of constraints but in this work we consider a constraint on packet loss and latency. Adaptive FH compression schemes that adapt the compression amount to varying FH traffic are promising approaches to deal with stringent FH requirements. In this work, we design such a compression scheme using a model-free off policy deep reinforcement learning algorithm which accounts for FH latency and packet loss constraints. Furthermore, this algorithm is designed for model transparency and interpretability which is crucial for AI trustworthiness in performance critical domains. We show that our algorithm can successfully choose an appropriate compression scheme while satisfying the constraints and exhibits a roughly 70% increase in FH utilization compared to a reference scheme.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE) , 2024. p. 498-504
Keywords [en]
C-RAN, fronthaul, machine learning, performance evaluation, reinforcement learning
National Category
Communication Systems Computer Sciences Telecommunications
Identifiers
URN: urn:nbn:se:kth:diva-353546DOI: 10.1109/ICMLCN59089.2024.10624764ISI: 001307813600084Scopus ID: 2-s2.0-85202448989OAI: oai:DiVA.org:kth-353546DiVA, id: diva2:1899221
Conference
1st IEEE International Conference on Machine Learning for Communication and Networking, ICMLCN 2024, May 5-8, 2024, Stockholm, Sweden
Note

Part of ISBN: 9798350343199

QC 20241111

Available from: 2024-09-19 Created: 2024-09-19 Last updated: 2024-11-11Bibliographically approved

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Grönland, AxelRusso, AlessioJedra, Yassir

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