Network Utility Maximization for Overcoming Inefficiency in Multirate Wireless Networks

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Executive Summary

Wireless local area networks, in particular the ones based in the IEEE 802.11 standard, are nowadays used around the world to deliver Internet access, and are becoming increasingly prevalent. One of the crucial performance issues that these networks introduce is the possibility of having multiple transmission rates in the physical layer. In this paper, the authors use the Network Utility Maximization framework to characterize the cross-layer interaction between the transport protocols such as TCP and the underlying MAC level rate adaptation.

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