LTE uplink scheduling - flow level analysis

Authors:
D. C. Dimitrova;J. L. Van Den Berg;G. Heijenk;R. Litjens
Affiliations:
University of Twente, Enschede, The Netherlands;University of Twente, Enschede, The Netherlands and TNO ICT, Delft, The Netherlands;University of Twente, Enschede, The Netherlands;TNO ICT, Delft, The Netherlands
Venue:
MACOM'11 Proceedings of the 4th international conference on Multiple access communications
Year:
2011

Citing 5
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Abstract

Long Term Evolution (LTE) is a cellular technology 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 three distinct scheduling schemes for LTE uplink with main focus on the impact of flow-level dynamics resulting from the random user behaviour. We apply a combined analytical/simulation approach which enables fast evaluation of flow-level performance measures. The results show that by considering flow-level dynamics we are able to observe performance trends that would otherwise stay hidden if only packet-level analysis is performed.