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Dynamic Adaptive Streaming over HTTP with Buffer Based Opportunistic Control of Energy Communication Mode
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 Title & Authors
Dynamic Adaptive Streaming over HTTP with Buffer Based Opportunistic Control of Energy Communication Mode
Kim, Seohyang; Oh, Hayoung; Kim, Chongkwon;
These days, streaming users are using ABR (Adaptive Bitrate) technique services by requesting the most adequate video rate selectively based on their own channel states. Most ABR related video rate adaptation techniques are only focused on real-time bitrate adaptations based on their own channel state, and misses energy limited characteristics that come from a mobile device's battery dependence. In other words, the mobile device's important characteristics and accompanying energy consumption are not being considered and causes dissatisfaction over streaming services. In this paper, we propose energy efficient prefetching based dynamic adaptive video streaming techniques, which saves unnecessary consumed energy while providing video rates of the same performance. Our scheme continuously turns off energy modules with enough streaming in the buffer and turns on in case of the opposite situation to save energy. Through the performance evaluation, this study's proposed scheme is 60% better than the previous work at global average mobile download speed.
dynamic adaptive video streaming;energy;multiple bitrate encoding;mobile network;
 Cited by
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