Computer Science: Faculty Publications

3B-ARA: Bandwidth, Buffer and Battery Aware Rate Adaptation for Dynamic HTTP Streaming

Document Type

Article

Publication Date

5-2018

Publication Title

IEEE Communications Letters

DOI

10.1109/LCOMM.2018.2799878

ISSN

1558-2558

Abstract

This letter proposes a novel rate adaptation framework for dynamic adaptive streaming where three factors-available bandwidth, buffer state, and residual battery status, jointly determine the bit rate selected. We model the rate adaptation problem as a Markov Decision Process (MDP) with a goal to optimize video streaming experience as measured by video playback quality and buffer occupancy. Using simulation study, we show that our approach, termed as 3B-ARA, reduces rebuffering rate by over 20% while delivering a comparable average video rate and maintaining an average of 93% buffer occupancy as compared to other existing rate adaptation approaches.

Copyright

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