基于无人机辅助的V2I无线传输系统性能优化

郭芳; 张玉艳; 赵龙; 郑侃; 王文博

doi:10.11959/j.issn.2096-3750.2017.00017

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基于无人机辅助的V2I无线传输系统性能优化

理论与技术 | 更新时间：2024-06-05

- 基于无人机辅助的V2I无线传输系统性能优化
- Performance optimization for UAV-enabled V2I communications system
- 物联网学报 2017年1卷第2期页码：46-53
- 作者机构：
- 作者简介：
  
  [ "郭芳（1989-），女，北京邮电大学博士生，主要研究方向为信息与通信工程。" ]
  [ "张玉艳（1964-），女，北京邮电大学副教授，主要研究方向为车联网、无线通信网络。" ]
  [ "赵龙（1985-），男，北京邮电大学讲师，主要研究方向为无线通信网络。" ]
  [ "郑侃（1974-），男，北京邮电大学副教授、博士生导师，主要研究方向为5G、车联网、数据分析等。" ]
  [ "王文博（1965-），男，北京邮电大学教授、博士生导师，主要研究方向为无线移动通信。" ]
- 基金信息：
  
  国家自然科学基金资助项目;The National Natural Science Foundation of China (No.61601044)(61601044);北京邮电大学青年科研创新计划专项基金资助项目;The Fundamental Research Funds for the Central Universities(2016RCGD10);诺基亚车联网基金资助项目;The Nokia Vehicular Project
- DOI：10.11959/j.issn.2096-3750.2017.00017
  中图分类号： TN914
- 纸质出版日期：2017-09-30，
  
  网络出版日期：2017-09，
- 稿件说明：
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郭芳, 张玉艳, 赵龙, 等. 基于无人机辅助的V2I无线传输系统性能优化[J]. 物联网学报, 2017,1(2):46-53.

FANG GUO, YU-YAN ZHANG, LONG ZHAO, et al. Performance optimization for UAV-enabled V2I communications system. [J]. Chinese journal on internet of things, 2017, 1(2): 46-53.
郭芳, 张玉艳, 赵龙, 等. 基于无人机辅助的V2I无线传输系统性能优化[J]. 物联网学报, 2017,1(2):46-53. DOI： 10.11959/j.issn.2096-3750.2017.00017.

FANG GUO, YU-YAN ZHANG, LONG ZHAO, et al. Performance optimization for UAV-enabled V2I communications system. [J]. Chinese journal on internet of things, 2017, 1(2): 46-53. DOI： 10.11959/j.issn.2096-3750.2017.00017.

摘要

在应急通信中，无人机的应用越来越广泛，提出了一种无人机辅助的V2I（vehicle to infrastructure）车载通信技术。由于通信距离、地形遮挡等原因，地面的车辆与基站可能无法实现直接通信，此时无人机可被用作通信中继。在通信过程中，为了满足地面车辆通信的公平性需求，基于地面移动车辆的位置坐标，选定一个小于相干时间的时间间隔，计算车辆在每个时间间隔的传输速率，并将最大化最小传输速率作为优化目标。为解决此问题，提出将整个通信过程离散化，先计算在每个时间间隔范围内使最小传输速率最大化的无人机飞行轨迹，从而得到整个通信过程的无人机飞行路径。仿真表明，通过对无人机进行路径规划，车辆的信息传输速率明显优于无人机位置固定情况下的传输速率。

Abstract

In the emergency communication

UAVs (unmanned aerial vehicle) are used more and more widely

and a V2I (vehicle to infrastructure) vehicle communication technology based on UAV was proposed.Because of the communication distance and the shelter of the terrain

the ground vehicle and the base station may not connect directly.At this time

the UAV can be used as communication relay.In the process of communication

in order to meet the fairness of ground vehicle communication

a time interval less than the coherence time was selected based on the coordinates of moving ground vehicles

the transmission rate between vehicles in each time interval are calculated to maximize the minimum transmission rate as the optimization goal.In order to solve this problem

the entire communication process was dispersed.First

UAV flight trajectory to maximize the minimum transmission rate at each time interval within the range of the UAV flight path was calculated to get the whole communication process trajectory.Simulation results show that through the path planning of UAV

the information transmission rate of the vehicle is obviously better than the transmission rate under the fixed position of UAV.

关键词

无人机中继V2I路径规划传输速率

Keywords

UAV-based relayV2Itrajectory optimizationtransmission rate

references

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