Deeplive: QoE Optimization for Live Video Streaming through Deep Reinforcement Learning

A new broad of video services that support live streaming has become tremendously popular in recent years. Compared with traditional video-on-demand (VOD) services, live video streaming has much higher requirements on Quality-of-Experience (QoE), including low rebuffering, high definition, low laten...

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Vydáno v:2019 IEEE 25th International Conference on Parallel and Distributed Systems (ICPADS) s. 827 - 831
Hlavní autoři: Tian, Zhao, Zhao, Laiping, Nie, Lihai, Chen, Peiqi, Chen, Shuyu
Médium: Konferenční příspěvek
Jazyk:angličtina
Vydáno: IEEE 01.12.2019
Témata:
Adaptive systems
Bit rate
Deep reinforcement learning
Heuristic algorithms
live video streaming
Low latency communication
Optimization
Oscillators
QoE
Quality of experience
Training
Videos
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Shrnutí:A new broad of video services that support live streaming has become tremendously popular in recent years. Compared with traditional video-on-demand (VOD) services, live video streaming has much higher requirements on Quality-of-Experience (QoE), including low rebuffering, high definition, low latency and low bitrate oscillations. While previous adaptive bitrate algorithms (ABR) solely optimize bitrate for ensuring QoE of VOD, live video streaming has a larger decision space, making the optimization problem more difficult to solve. We propose Deeplive, which maximizes QoE through deep reinforcement learning (DRL), so it does not rely on fixed rules. To accelerate the training process of Deeplive, we further propose optimization including window completion with historical data and quick-start with rate-based algorithm. We compare Deeplive with other advanced ABR algorithms in a frame-level dynamic adaptive video streaming simulator using different network traces, QoE definitions, and video categories. In all experiments, we find that Deeplive not only has significant improvement in training time, but also shows an average of 15-55% improvement on QoE than the state-of-the-art ABR algorithms.
DOI:10.1109/ICPADS47876.2019.00122