Scheduling strategies for LTE uplink with flow behaviour analysis

D.C. Dimitrova, H. van den Berg, R. Litjens, G. Heijenk

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    Long Term Evolution (LTE) is a cellular technology developed to support diversity of data traffic at potentially high rates. It is foreseen to extend the capacity and improve the performance of current 3G cellular networks. A key mechanism in the LTE traffic handling is the packet scheduler, which is in charge of allocating resources to active flows in both the frequency and time dimension. In this paper we present a performance comparison of two distinct scheduling schemes for LTE uplink (fair fixed assignment and fair work-conserving) taking into account both packet level characteristics and flow level dynamics due to the random user behaviour. For that purpose, we apply a combined analytical/ simulation approach which enables fast evaluation of performance measures such as mean flow transfer times manifesting the impact of resource allocation strategies. The results show that the resource allocation strategy has a crucial impact on performance and that some trends are observed only if flow level dynamics are considered.
    Original languageEnglish
    Title of host publicationFourth ERCIM Workshop on E-mobility
    Subtitle of host publicationLuleå University of Technology, Luleå, Sweden May 31, 2010
    EditorsMarc Brogle, Evgeny Osipov, Gerhard J. Heijenk
    Place of PublicationLuleå, Sweden
    PublisherLulea University of Technology
    Number of pages12
    ISBN (Print)978-91-7439-103-9
    Publication statusPublished - May 2010
    Event4th ERCIM Workshop on eMobility 2010 - Luleå University of Technology, Luleå, Sweden
    Duration: 31 May 201031 May 2010
    Conference number: 4


    Workshop4th ERCIM Workshop on eMobility 2010


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