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Integrating Peer-to-Peer streaming with wireless networks is a promising technique which promotes ubiquitous multimedia services. Rate allocation within this context is essential to the overall performance of a streaming system due to the limitation of wireless network resource. Optimizing rate allocation in wireless P2P streaming poses one the twofold challenge: the data flow rates are not only constrained by P2P overlay uplink capacity, but subject to the resource sharing mechanism of wireless networks. In this paper, the authors propose a utility-based rate allocation framework to optimize the flow rates in wireless P2P streaming systems. Their optimization framework involves both P2P overlay constraint and wireless channel sharing constraint.
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