一种兼顾用户满意度与传输效率的车联网网络选择策略

刘鑫一 1; 庞继龙 1; 赵祥模 1; 侯俊 1; 2; 马峻岩 1; 2

doi:10.7652/xjtuxb202010002

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一种兼顾用户满意度与传输效率的车联网网络选择策略

更新时间：2025-07-09

- 一种兼顾用户满意度与传输效率的车联网网络选择策略
- A Selection Strategy for Internet of Vehicle Networks Based on User Satisfaction and Transmission Efficiency
- 西安交通大学学报 2020年54卷第10期页码：9-16
- 作者机构：
  
  1. 长安大学信息工程学院,西安,710064
  2. 长安大学车联网教育部-中国移动联合实验室,西安,710064
- 作者简介：
- 基金信息：
  
  : 2020-03-19。作者简介: 刘鑫一(1986—),男,副教授,硕士生导师。基金项目: 国家自然科学基金资助项目(61803041);中国博士后科学基金资助项目(2017M623089);西安市科技计划资助项目(2019218514GXRC021CG022-GXYD 21.4)
- DOI：10.7652/xjtuxb202010002
  中图分类号： TP393
- 网络首发：2020-10-10，
  
  纸质出版：2020
- 稿件说明：
移动端阅览
刘鑫一 1, 庞继龙 1, 赵祥模 1, 等. 一种兼顾用户满意度与传输效率的车联网网络选择策略[J]. 西安交通大学学报, 2020,54(10):9-16.

A Selection Strategy for Internet of Vehicle Networks Based on User Satisfaction and Transmission Efficiency[J]. 2020, 54(10): 9-16.
刘鑫一 1, 庞继龙 1, 赵祥模 1, 等. 一种兼顾用户满意度与传输效率的车联网网络选择策略[J]. 西安交通大学学报, 2020,54(10):9-16. DOI： 10.7652/xjtuxb202010002.

A Selection Strategy for Internet of Vehicle Networks Based on User Satisfaction and Transmission Efficiency[J]. 2020, 54(10): 9-16. DOI： 10.7652/xjtuxb202010002.

摘要

针对车联网终端的不同业务在异构网络环境下进行优化调度的问题

提出了一种兼顾用户满意度与传输效率的车联网网络选择策略。首先分析了不同的效用函数权值系数、发射功率及体验函数灵敏度因子对各网络满意度效用函数的影响

发现:当权值系数较大时

获得的满意度效用函数值也越大; 在有限功率范围内

当发射功率不断增大时

起初满意度效用函数值相应地随之急剧增大

随后增加速率减缓

最终函数值趋于稳定; 当体验函数灵敏度因子的值越大时

对应的曲线斜率越大

也即灵敏度越高

函数值随着发射功率的变化而变化得更快。然后

应用凸优化的方法求解各网络满意度效用函数的最大值。最后

选用3种具有代表性网络作为研究对象

进行仿真实验。实验结果表明

与基于发射功率的网络选择策略和基于传输速率的网络选择策略相比

所提策略的效用函数最大值分别是前两者的1.08倍和6.5倍

证明是一种高效可靠的网络选择策略。

Abstract

A network selection strategy for internet of vehicle(IoV)is proposed to solve the optimal scheduling problem of different services of IoV terminals in a heterogeneous network environment

and the strategy takes both user satisfaction and transmission efficiency into account. The strategy firstly analy-es the influence of weight coefficients of different utility functions

transmitting power and sensitivity factor of a experience function on each network satisfaction utility function. It is found that when the weight coefficient is larger

the value of satisfaction utility function is larger; and that in a limited power range

when the transmitting power increases continuously

the value of the satisfaction utility function increases sharply at the beginning

then the increase rate slows down

and finally the value of the function tends to be stable. When the value of the sensitivity factor of the experience function is larger

the slope of the corresponding curve is larger

that is

关键词

Keywords

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