Scheduling strategies for LTE uplink with flow behaviour analysis


Dimitrova, D.C. and Berg, H. van den and Litjens, R. and Heijenk, G. (2010) Scheduling strategies for LTE uplink with flow behaviour analysis. In: Fourth ERCIM Workshop on eMobility, May 31, 2010, Lulea, Sweden (pp. pp. 15-26).

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Abstract: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.
Item Type:Conference or Workshop Item
Electrical Engineering, Mathematics and Computer Science (EEMCS)
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