[1]陈宏,周雅琴,蒋文贤.位置感知及背景扫描下软件定义车联网无缝切换方案[J].华侨大学学报(自然科学版),2025,46(3):337-346.[doi:10.11830/ISSN.1000-5013.202412007]
　CHEN Hong,ZHOU Yaqin,JIANG Wenxian.Seamless Handover Scheme for Software-Defined Internet of Vehicles With Location Awareness and Background Scanning[J].Journal of Huaqiao University(Natural Science),2025,46(3):337-346.[doi:10.11830/ISSN.1000-5013.202412007]
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位置感知及背景扫描下软件定义车联网无缝切换方案()
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《华侨大学学报（自然科学版）》[ISSN:1000-5013/CN:35-1079/N]

卷:
第46卷
期数:
2025年第3期
页码:
337-346
栏目:
出版日期:
2025-05-20

文章信息/Info

Title:
Seamless Handover Scheme for Software-Defined Internet of Vehicles With Location Awareness and Background Scanning
文章编号:
1000-5013(2025)03-0337-10
作者:
陈宏1;  周雅琴2;  蒋文贤2
1. 华侨大学 信息化建设与管理处, 福建 厦门 361021;2. 华侨大学 计算机科学与技术学院, 福建 厦门 361021
Author(s):
CHEN Hong1;  ZHOU Yaqin2;  JIANG Wenxian2
1. Department of IT Development and Management, Huaqiao University, Xiamen 361021, China; 2. College of Computer Science and Technology, Huaqiao University, Xiamen 361021, China
关键词:
车联网;  位置感知;  无缝切换;  软件定义网络
Keywords:
internet of vehicles;  location awareness;  seamless handover;  software-defined network
分类号:
TP393
DOI:
10.11830/ISSN.1000-5013.202412007
文献标志码:
A
摘要:
针对车联网传统架构中集中式方案的信令冗余与分布式方案的IP重配置瓶颈,提出一种软件定义车联网无缝切换方案,融合了位置感知、多接口背景扫描与流表动态重定向技术。首先,分析传统集中式架构的缺陷,以及造成切换延迟过大的原因。然后,依托软件定义网络(SDN)控制器的全局网络视图动态调度能力,通过预判式扫描优化目标基站选择效率。最后,结合车辆多网络接口的特点,将数据传输与背景扫描任务解耦,利用多链路负载均衡实现业务无中断迁移。结果表明:文中方案能有效减少切换时延,满足业务的服务质量(QoS)需求。
Abstract:
To address the signaling redundancy in centralized schemes and the IP reconfiguration bottleneck in distributed schemes within traditional architectures of the internet of vehicles, a seamless handover scheme for software-defined internet of vehicles is proposed, which integrates location awareness, multi-interface background scanning, and dynamic flow table redirection techniques. First, the shortcomings of traditional centralized architectures are analyzed, along with the factors contributing to excessive handover delay. Then, relying on the dynamic scheduling capability of the global network view of the software-defined network(SDN)controller, the target base station selection efficiency is optimized through predictive scanning. Finally, considering the characteristics of vehicle multi-network interfaces, data transmission and background scanning tasks are decoupled, and multi-link load balancing is utilized to achieve uninterrupted service migration. Experimental results demonstrate that the proposed scheme can effectively reduce the handover delay while ensuring the quality of service(QoS)requirements of vehicular applications.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期: 2024-12-12
通信作者: 陈宏(1980-),女,工程师,主要从事软件定义网络、车联网、区块链技术的研究。E-mail:chenh@hqu.edu.cn。
基金项目: 国家自然科学基金资助项目(62372190)
更新日期/Last Update: 2025-05-20