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Quality of Experience Oriented Video Streaming in Challenged Wireless Networks: Analysis, Protocol Design and Case Study

The networked video streaming has achieved tremendous success in the past decade. It has already become the killer Internet application. As reported in [1], 183 million U.S. Internet users watched 40.9 billion online videos in one month. Youtube, the most popular video sharing site, features over 40 million videos and attracts around 20 million subscriptions per month. On the other hand, the last decade has witnessed the equally exciting evolution and explosive adoption of various mobile portable devices, such as smartphones, tablet PCs and laptops. This makes efficient wireless video streaming to the heterogeneous and mobile devices ever more important and demanding.