Optimization of multipath transmission path scheduling based on forward delay in vehicular heterogeneous network

Haitao ZHAO; Yue CHEN; Tangwei ZHANG; Qixing ZHU; Hongbo ZHU

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

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Optimization of multipath transmission path scheduling based on forward delay in vehicular heterogeneous network

Papers | 更新时间：2024-06-05

- Optimization of multipath transmission path scheduling based on forward delay in vehicular heterogeneous network
- Journal on Communications Vol. 41, Issue 11, Pages: 99-107(2020)
- 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：
- 基金信息：
  
  The National Natural Science Foundation of China(61771252);The Natural Science Foundation of Jiangsu Province(BK20171444);The Natural Science Fundation of Jiangsu Higher Education Insititutions of China(TJ218011)
- DOI：10.11959/j.issn.1000-436x.2020162
  CLC： TN915.04
- Online First：2020-11，
  
  Published：25 November 2020
- 稿件说明：
移动端阅览
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：

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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