Size-based and channel-aware scheduling algorithm proposal for mean delay optimization in wireless networks | IEEE Conference Publication | IEEE Xplore
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Size-based and channel-aware scheduling algorithm proposal for mean delay optimization in wireless networks


Abstract:

This paper deals with the analysis of the impact of different scheduling algorithms on flow level mean delay performance of elastic traffic in a single cell wireless down...Show More

Abstract:

This paper deals with the analysis of the impact of different scheduling algorithms on flow level mean delay performance of elastic traffic in a single cell wireless downlink data channel paradigm. An enhanced size-based and channel-aware discipline is proposed, which is based on the sized-aware Gittins index approach applied to a time-varying channel context. In order to compare the proposed Opportunistic Gittins rule performance with well-known scheduling algorithms, several simulations have been performed for stochastically arriving flows with Pareto sizes under fading conditions, for different network loads and channel quality indicator reporting rates. As concluded, an approach that combines both flow size-awareness and channel-awareness is the best option, which guarantees a trade-off between minimizing uplink overhead due to channel quality reports and improving scheduling performance aimed at reducing overall flow mean delay.
Date of Conference: 10-15 June 2012
Date Added to IEEE Xplore: 29 November 2012
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Conference Location: Ottawa, ON, Canada

References

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