Aphto: a task offloading strategy for autonomous driving under mobile edge

被引:1
作者
Lin, Jiacheng [1 ]
Rao, Huanle [2 ]
Liang, Songsong [1 ]
Zhao, Yumiao [1 ]
Ren, Qing [1 ]
Jia, Gangyong [1 ]
机构
[1] Hangzhou Dianzi Univ, Sch Comp Sci, Hangzhou 310018, Zhejiang, Peoples R China
[2] Hangzhou Dianzi Univ, Sch Automat, Hangzhou 310018, Zhejiang, Peoples R China
基金
中国国家自然科学基金; 浙江省自然科学基金;
关键词
Autonomous driving; Task offloading; Mobile edge computing; INTERNET;
D O I
10.1007/s11227-024-06054-4
中图分类号
TP3 [计算技术、计算机技术];
学科分类号
0812 ;
摘要
With the increasing complexity of autonomous driving tasks, the computational demands on single vehicular computing units have escalated, more and more tasks need to be offloaded to the edge. These tasks vary in latency sensitivity: real-time tasks, critical for passenger safety, require strict deadline adherence, whereas the latency of standard tasks mainly affects the user experience and has more flexible constraints. Addressing the challenge of selecting suitable edge computing nodes to enhance the offloading success rate of real-time tasks amidst a vast and heterogeneous cluster becomes crucial. This paper introduces the adaptive priority-based hierarchical task offloading (APHTO) algorithm, which optimizes task offloading strategies by accounting for the diverse latency constraints of different task types. Experiments demonstrate that under optimal performance conditions, APHTO significantly outperforms existing algorithms such as Min-Min, Max-Min, CUS, and FMS in reducing task latency by 20.31%, increasing offloading success rates by 35.83%, and improving resource utilization by 30.21%, marking a substantial advancement in task offloading strategies for autonomous driving integrated with MEC.
引用
收藏
页码:16013 / 16045
页数:33
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