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A cross layer rate adaptation solution for IEEE 802.11 networks

<05>This paper derived a novel cross-layer framework for rate adaptation in 802.11 networks. Our unique rate adaption framework is based on a loss differentiation mechanism which identifies the real cause of channel variations, and then flexibly tune timing constraints of underlying protocols to the requirement of applications, and offers minimal complexity. The simulation results assert considerable improvements over the previous solutions in terms of the algorithm response to application requirements and dynamic adjustment with variation in underlying protocol performance.