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Dynamic Dual-Reinforcement-Learning Routing Strategies for Quality of Experience-aware Wireless Mesh Networking
Universidade de Aveiro, Portugal.
Universidade de Aveiro, Portugal.
Universidade de Aveiro, Portugal.
Universidade de Aveiro, Portugal.
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2015 (English)In: Computer Networks, ISSN 1389-1286, E-ISSN 1872-7069, Vol. 88, no 269, article id 285Article in journal (Refereed) Published
Abstract [sv]

The impact of transmission impairments such as loss and latency on user perceived quality(QoE) depends on the service type. In a real network, multiple service types such as audio,video, and data coexist. This makes resource management inherently complex and difficultto orchestrate. In this paper, we propose an autonomous Quality of Experience managementapproach for multiservice wireless mesh networks, where individual mesh nodes apply rein-forcement learning methods to dynamically adjust their routing strategies in order to maxi-mize the user perceived QoE for each flow. Within the forwarding nodes, we develop a novelpacket dropping strategy that takes into account the impact on QoE. Finally, a novel sourcerate adaptation mechanism is designed that takes into account the expected QoE in order tomatch the sending rate with the available network capacity. An evaluation of our mechanismsusing simulations demonstrates that our approach is superior to the standard approaches,AODV and OLSR, and effectively balances the user perceived QoE between the service flows.

Place, publisher, year, edition, pages
Elsevier, 2015. Vol. 88, no 269, article id 285
Keywords [en]
QoE-awareness, Wireless mesh networks, Reinforcement learning, Routing Packet scheduling, Rate adaptation
National Category
Computer Sciences
Research subject
Computer Science
Identifiers
URN: urn:nbn:se:kau:diva-38723DOI: 10.1016/j.comnet.2015.06.016ISI: 000359890200019OAI: oai:DiVA.org:kau-38723DiVA, id: diva2:874601
Available from: 2015-11-27 Created: 2015-11-27 Last updated: 2018-10-18Bibliographically approved

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Kassler, Andreas

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Citation style
  • apa
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Output format
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