车载异构网络中基于前向时延的多径传输路径调度优化

赵海涛; 陈跃; 张唐伟; 朱奇星; 朱洪波

doi:10.11959/j.issn.1000-436x.2020162

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车载异构网络中基于前向时延的多径传输路径调度优化

学术论文 | 更新时间：2024-06-05

- 车载异构网络中基于前向时延的多径传输路径调度优化
- Optimization of multipath transmission path scheduling based on forward delay in vehicular heterogeneous network
- 通信学报 2020年41卷第11期页码：99-107
- 作者机构：
  
  1. 南京邮电大学教育部泛在网络健康服务系统工程研究中心，江苏南京 210003
  2. 南京邮电大学通信与信息工程学院，江苏南京 210003
- 作者简介：
  
  [ "赵海涛（1983– ），男，江苏南京人，博士，南京邮电大学教授、硕士生导师，主要研究方向为无线多媒体建模、容量预测和无线网络编码等" ]
  [ "陈跃（1996- ），男，安徽萧县人，南京邮电大学硕士生，主要研究方向为物联网路由优化" ]
  [ "张唐伟（1995- ），男，安徽安庆人，南京邮电大学硕士生，主要研究方向为移动边缘计算与无线系统资源分配" ]
  [ "朱奇星（1995- ），男，江苏南京人，南京邮电大学硕士生，主要研究方向为边缘计算在车联网中的应用" ]
  [ "朱洪波（1956- ），男，江苏扬州人，博士，南京邮电大学教授、博士生导师、博士后合作导师，主要研究方向为无线通信、物联网与下一代网络技术等" ]
- 基金信息：
  
  国家自然科学基金资助项目(61771252);江苏省自然科学基金资助项目(BK20171444);江苏省高校自然科学研究重大基金资助项目(TJ218011)
- DOI：10.11959/j.issn.1000-436x.2020162
  中图分类号： TN915.04
- 网络出版日期：2020-11，
  
  纸质出版日期：2020-11-25
- 稿件说明：
移动端阅览
赵海涛, 陈跃, 张唐伟, 等. 车载异构网络中基于前向时延的多径传输路径调度优化[J]. 通信学报, 2020,41(11):99-107.

Haitao ZHAO, Yue CHEN, Tangwei ZHANG, et al. Optimization of multipath transmission path scheduling based on forward delay in vehicular heterogeneous network[J]. Journal on communications, 2020, 41(11): 99-107.
赵海涛, 陈跃, 张唐伟, 等. 车载异构网络中基于前向时延的多径传输路径调度优化[J]. 通信学报, 2020,41(11):99-107. DOI： 10.11959/j.issn.1000-436x.2020162.

Haitao ZHAO, Yue CHEN, Tangwei ZHANG, et al. Optimization of multipath transmission path scheduling based on forward delay in vehicular heterogeneous network[J]. Journal on communications, 2020, 41(11): 99-107. DOI： 10.11959/j.issn.1000-436x.2020162.

摘要

为了解决多径传输中数据分组在接收端乱序从而导致传输性能大大降低问题，提出了车载异构网络中基于前向时延的多径传输路径调度优化算法。所提算法的主要思想是，根据发送方估计的前向时延和吞吐量差异，通过并发路径调度数据分组。在 NS-3 上进行了仿真实验，仿真结果表明，所提算法在重新排序缓冲区占用密度（RBD）和吞吐量的表现都优于其他算法，接收端的数据分组乱序问题明显降低，系统的总吞吐量和网络利用率得到了提高。

Abstract

In order to solve the problem that the data packets were out of order at the receiving end in the multipath transmission

which greatly reduced the transmission performance

an optimization algorithm was proposed for multipath transmission path scheduling based on forward delay in the vehicle heterogeneous network.The main idea of the proposed algorithm was to schedule data packets through a concurrent path according to the forward delay and throughput difference estimated by the sender.A simulation experiment was carried out on NS-3.The simulation results show that compared with the previous algorithm

the proposed algorithm has better performance than other algorithms in reorder-buffer-occupancy density (RBD) and throughput.The problem of out-of-order data packets at the receiving end is significantly reduced

and the total system throughput and network utilization have been improved.

关键词

Keywords

references

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