Unleashing Collaborative Computing for Adaptive Video Streaming with Multi-objective Optimization in Satellite Terrestrial Networks
Zhishu Shen, Qiushi Zheng, Ziqi Rong, Jiong Jin, Atsushi Tagami, Wei, Xiang

TL;DR
This paper introduces a multi-objective optimization framework for collaborative computing in satellite-terrestrial networks, enhancing adaptive video streaming by dynamically optimizing resource allocation and task offloading.
Contribution
It proposes a novel multi-agent soft actor-critic algorithm for adaptive resource management in STNs, improving service quality and resource utilization.
Findings
Outperforms existing schemes in resource efficiency.
Enhances quality of experience for video streaming.
Demonstrates adaptability to various computing tasks.
Abstract
Satellite-terrestrial networks (STNs) are anticipated to deliver seamless IoT services across expansive regions. Given the constrained resources available for offloading computationally intensive tasks like video streaming, it is crucial to establish collaborative computing among diverse components within STNs. In this paper, we present the task offloading challenge as a multi-objective optimization problem, leveraging the collaboration between ground devices/users and satellites. We propose a collaborative computing scheme that optimally assigns computing tasks to various nodes within STNs to enhance service performance including quality of experience (QoE). This algorithm initially dynamically selects an end-to-end path that balances service time and resource utilization. For each selected path, a multi-agent soft actor-critic (MA-SAC)-based algorithm is introduced to make adaptive…
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Taxonomy
TopicsSatellite Communication Systems · Telecommunications and Broadcasting Technologies
