A comparison of the cost and energy efficiency of prefetching and streaming of mobile video

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Gautam, Navin; Petander, Lars (Henrik); Noel, Joseph


2013-02-27


Conference Material


5th ACM workshop on Mobile Video, MoVid 2013


Oslo, Norway


6


Mobile video streaming contributes a fast growing portion of mobile data traffic. This paper compares the cost and energy efficiency of streamed video with prefetching video using real usage data from a mobile video application. The usage data is combined with empirical energy measurements to evaluate the power consumed when prefetching versus streaming of content. The energy model and market research data for communications costs are then used to evaluate the cost efficiency of prefetching. The results strongly indicate that automatic prefetching can provide sufficient accuracy to significantly reduce both battery use and the costs of video delivery from user and operator points of view.


Prefetch, mobile, video


http://eecs.ucf.edu/movid/index.html


nicta:6403


Gautam, Navin; Petander, Lars (Henrik); Noel, Joseph. A comparison of the cost and energy efficiency of prefetching and streaming of mobile video.[Conference Material]. 2013-02-27. <a href="http://hdl.handle.net/102.100.100/98080?index=1" target="_blank">http://hdl.handle.net/102.100.100/98080?index=1</a>



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