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Look-Ahead Task Offloading for Multi-User Mobile Augmented Reality in Edge-Cloud Computing
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DOI：10.1109/MNET.001.2200593.png)
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摘要
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Mobile augmented reality (MAR) blends a real scenario with overlaid virtual content, which has been envisioned as one of the ubiquitous interfaces to the Metaverse. Due to the limited computing power and battery life of MAR devices, it is common to offload the computation tasks to edge or cloud servers in close proximity. However, existing offloading solutions developed for MAR tasks suffer from high migration overhead, poor scalability, and short-sightedness when applied in provisioning multi-user MAR services. To address these issues, a MAR service-oriented task offloading scheme is designed and evaluated in edge-cloud computing networks. Specifically, the task interdependency of MAR applications is firstly analyzed and modeled by using directed acyclic graphs. Then we propose a look-ahead offloading scheme based on a modified Monte Carlo tree (MMCT) search, which can run several multi-step executions in advance to get an estimate of the long-term effect of immediate action. Experiment results show that the proposed off-loading scheme can effectively improve the quality of service (QoS) in provisioning multi-user MAR services, compared to four benchmark schemes. Furthermore, it is also shown that the proposed solution is stable and suitable for applications in a highly volatile environment.
Keyword:
Schedules
Processor scheduling
Scalability
Computational modeling
Search methods
Optimal scheduling
Quality of service
Mixed reality
Extended reality
Metaverse
期刊
IF:
6.3
论文数:
2.7K
被引数:
1.1W
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