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QoS-Aware LTE Downlink Scheduler for VoIP with Power Saving
University of Paris-Est Creteil (UPEC), France.
Linköping University, Department of Science and Technology. Linköping University, The Institute of Technology.
Linköping University, Department of Science and Technology, Communications and Transport Systems. Linköping University, The Institute of Technology. (Mobile Telecommunication)ORCID iD: 0000-0002-0019-8411
2012 (English)In: Computational Science and Engineering (CSE), 2012 IEEE 15th International Conference on, IEEE conference proceedings, 2012, 243-250 p.Conference paper, Published paper (Refereed)
Abstract [en]

The addition of emerging multimedia services such as Skype, GTalk, multi-user interactive gaming in cellular communication systems has created new challenges for resource allocation and power optimization. The requirement of efficient resource allocation is more important in downlink than uplink due to high traffic flows. These multimedia applications require more power, therefore power optimization has gained a key role in future communication systems. In this paper, a downlink scheduling technique in Long Term Evolution (LTE) is proposed that improves the Quality of Service (QoS) for multimedia services in relation with use of the power saving scheme at the User Equipment (UE) i.e. Discontinuous Reception (DRX). The DRX effectively improves power consumption at the cost of QoS degradation due to higher packet delays and packet losses. The proposed scheme considers key QoS parameters during scheduling with fair resource allocation while minimizing packet delay and packet loss even in a power saving environment.

Place, publisher, year, edition, pages
IEEE conference proceedings, 2012. 243-250 p.
Keyword [en]
Delay;Downlink;Packet loss;Quality of service;Scheduling;Throughput;DRX;Downlink;LTE;Light Sleep;Multimedia;Power Saving;QoS;Scheduling;VoIP;
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-88021DOI: 10.1109/ICCSE.2012.41ISBN: 978-1-4673-5165-2 (print)ISBN: e-978-0-7695-4914-9 OAI: oai:DiVA.org:liu-88021DiVA: diva2:601289
Conference
IEEE 15th International Conference on Computational Science and Engineering (CSE), 5-7 December 2012, Paphos, Cyprus
Available from: 2013-02-08 Created: 2013-01-29 Last updated: 2015-03-18Bibliographically approved

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Fowler, Scott

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • oxford
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
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  • text
  • asciidoc
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