Bundling frames to save energy while streaming video from LTE mobile device

  • Authors:
  • Swaminathan Vasanth Rajaraman;Matti Siekkinen;Vesa Virkki;Johan Torsner

  • Affiliations:
  • Aalto University, School of Science, Espoo, Finland;Aalto University, School of Science, Espoo, Finland;Ericsson, Kirkkonummi, Finland;Ericsson, Kirkkonummi, Finland

  • Venue:
  • Proceedings of the eighth ACM international workshop on Mobility in the evolving internet architecture
  • Year:
  • 2013

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Abstract

It is becoming feasible to stream user generated video directly to the Internet, which enables a new class of exciting applications and services. However, energy consumption of smartphones that transmit the content over mobile network is a limiting factor. We study the potential of frame bundling to save energy while streaming video through a LTE uplink. Our simulation results show that if real-time streaming is not strictly necessary, bundling video frames for a few seconds before transmitting them is an effective mechanism to save energy. We analyze the energy savings achievable for different video bit rates with varying network conditions, namely round-trip time (RTT), packet loss, UE mobility, and background traffic. The results confirm that bundling remains effective also in non-ideal network conditions.