A QoE-Aware Split Inference Accelerating Algorithm for NOMA-based Edge Intelligence

• URL: http://arxiv.org/abs/2409.16537v1
• Date: Wed, 25 Sep 2024 01:09:45 GMT
• Title: A QoE-Aware Split Inference Accelerating Algorithm for NOMA-based Edge Intelligence
• Authors: Xin Yuan, Ning Li, Quan Chen, Wenchao Xu, Zhaoxin Zhang, Song Guo,
• Abstract summary: An effective resource allocation algorithm is proposed in this paper, for accelerating split inference in edge intelligence. The ERA takes the resource consumption, QoE, and inference latency into account to find the optimal model split strategy and resource allocation strategy. The experimental results demonstrate that the performance of ERA is much better than that of the previous studies.
• Score: 20.67035066213381
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Even the AI has been widely used and significantly changed our life, deploying the large AI models on resource limited edge devices directly is not appropriate. Thus, the model split inference is proposed to improve the performance of edge intelligence, in which the AI model is divided into different sub models and the resource-intensive sub model is offloaded to edge server wirelessly for reducing resource requirements and inference latency. However, the previous works mainly concentrate on improving and optimizing the system QoS, ignore the effect of QoE which is another critical item for the users except for QoS. Even the QoE has been widely learned in EC, considering the differences between task offloading in EC and split inference in EI, and the specific issues in QoE which are still not addressed in EC and EI, these algorithms cannot work effectively in edge split inference scenarios. Thus, an effective resource allocation algorithm is proposed in this paper, for accelerating split inference in EI and achieving the tradeoff between inference delay, QoE, and resource consumption, abbreviated as ERA. Specifically, the ERA takes the resource consumption, QoE, and inference latency into account to find the optimal model split strategy and resource allocation strategy. Since the minimum inference delay and resource consumption, and maximum QoE cannot be satisfied simultaneously, the gradient descent based algorithm is adopted to find the optimal tradeoff between them. Moreover, the loop iteration GD approach is developed to reduce the complexity of the GD algorithm caused by parameter discretization. Additionally, the properties of the proposed algorithms are investigated, including convergence, complexity, and approximation error. The experimental results demonstrate that the performance of ERA is much better than that of the previous studies.

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