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Trade-Offs for Video-Providers in LTE Networks

posted Oct 20, 2013, 4:34 AM by Tobias Hoßfeld   [ updated Jul 21, 2014, 7:43 AM by Corinna Schmitt ]
The paper "Trade-Offs for Video-Providers in LTE Networks: Smartphone Energy Consumption Vs Wasted Traffic" by Christian Schwartz, Marc Scheib, Tobias Hoßfeld, Phuoc Tran-Gia, Jose Manuel Gimenez-Guzman, has been accepted for publication at the 22nd International Teletraffic Congress Specialist Seminar on Energy Efficient and Green Networking, Christchurch, New Zealand, November 2013. 

Trade-Offs for Video-Providers in LTE Networks: Smartphone Energy Consumption Vs Wasted Traffic.
Long Term Evolution (LTE) networks provide broadband internet access to mobile users. One of the main use cases for LTE is a mobile video. When selecting a video transmission mechanism, a video provider has to consider different and orthogonal metrics. The consumer expects a high video Quality of Experience (QoE) and a low energy consumption during download and playback. The video provider is interested in reducing the amount of wasted traffic. Wasted traffic occurs if a user aborts and additional video data is already downloaded but not played out. This raises the questions 1) how a video provider should select a video transmission mechanism which reduces the operational costs and satisfies the customers' demands and 2) how the customer behaviour influences this decision. To answer this questions, we first study the influence of mechanism selection on energy consumption and wasted traffic. Second, we show that the different user models does not influence the wasted traffic significantly. Finally, we provide parameter selection guidelines for the Streaming mechanism, which is shown to satisfy both the requirements of the video provider as well as those of the customer, to achieve Pareto optimal results with regard to the considered metrics.

Paper: Download the full paper in PDF format from the author's website.