计算机科学 ›› 2025, Vol. 52 ›› Issue (8): 354-362.doi: 10.11896/jsjkx.240700088
范兴刚1, 姜新阳1, 谷文婷1, 徐骏涛1, 杨友东2, 李强1
FAN Xinggang1, JIANG Xinyang1, GU Wenting1, XU Juntao1, YANG Youdong2, LI Qiang1
摘要: 在车联网边缘计算中,如何利用有限的网络资源实施高效的任务卸载,是近年来车联网的研究热点。通过研究异构节点模式下的任务卸载,设计了一种异构节点模式下的高效任务卸载策略TOS-HN。当车辆产生任务时,优先考虑移动节点卸载,将任务卸载到附近空闲车辆上。若移动卸载不能满足任务需求,则采用固定节点卸载策略。在移动节点卸载模式中,先根据任务处理时延和能耗构建代价矩阵,再通过匈牙利算法确定任务车辆和处理车辆的最优匹配。仿真实验证明,TOS-HN算法相比于其他算法具有显著优势,在时延、能耗、任务成功率和基站负载方面均具有较好的性能。
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