Energy considerations for ABR video streaming to smartphones: measurements, models and insights
Energy considerations for ABR video streaming to smartphones: measurements, models and insights
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ABR 视频流传输到智能手机的能源注意事项：测量、模型和见解
DOI：
10.1145/3339825.3391867
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发表时间：
2020
期刊：
影响因子：
--
通讯作者：
Feng Qian
中科院分区：
文献类型：
--
作者：
Chaoqun Yue;S. Sen;B. Wang;Yanyuan Qin;Feng Qian
自适应比特率（ABR）流媒体在商业视频服务中被广泛使用。在本文中，我们配置文件的ABR流在移动的设备上的能量消耗。这种分析很重要，因为这些见解可以帮助开发更节能的ABR流媒体管道和技术。我们首先开发组件的功率模型，提供在线估计的ABR流中涉及的每个组件的功耗。使用这些模型，我们然后量化的功率击穿ABR流的常规视频和新兴的360°全景视频。我们的测量验证了功率模型的准确性，并提供了一些见解。我们讨论了开发的功率模型的用例，并探讨了ABR流的两种节能策略。评估表明，这些简单的策略可以提供高达30%的节能，在观看质量几乎没有下降。
Adaptive Bitrate (ABR) streaming is widely used in commercial video services. In this paper, we profile energy consumption of ABR streaming on mobile devices. This profiling is important, since the insights can help developing more energy-efficient ABR streaming pipelines and techniques. We first develop component power models that provide online estimation of the power draw for each component involved in ABR streaming. Using these models, we then quantify the power breakdown in ABR streaming for both regular videos and the emerging 360° panoramic videos. Our measurements validate the accuracy of the power models and provide a number of insights. We discuss use cases of the developed power models, and explore two energy reduction strategies for ABR streaming. Evaluation demonstrates that these simple strategies can provide up to 30% energy savings, with little degradation in viewing quality.