无线异构Mesh网络搭建与负载均衡路由研究  

Study on Wireless Heterogeneous Mesh Network Construction and Load Balanced Routing

作　　者：曹鹏 宁芊[1] 黄霖宇 陈炳才[2] 唐成文 CAO Peng;NING Qian;HUANG Linyu;CHEN Bingcai;TANG Chengwen(College of Electronics and Information Engineering,Sichuan University,Chengdu 610065,P.R.China;School of Computer Science and Technology,Dalian University of Technology,Dalian 116024,P.R.China)

机构地区：[1]四川大学电子信息学院,成都610065 [2]大连理工大学计算机科学与技术学院,大连116024

出　　处：《Transactions of Nanjing University of Aeronautics and Astronautics》2023年第6期738-752,共15页南京航空航天大学学报（英文版）

基　　金：supported in part by the Sichuan Provincial Key Research and Development Program (No.2021YFQ0011);the National Natural Science Foundation of China (Nos.61961040, 61771089)。

摘　　要：在智慧城市等应用场景中,单一的无线通信技术无法覆盖复杂的网络环境,且不同的通信技术间无法相互通信,无法充分利用不同的无线通信技术。因此,本文设计了一种可以与多种无线通信节点进行通信的设备,称为无线异构通信模块(Wireless communication heterogeneous modules, WHCM)。WHCM被用作枢纽来构建通信异构网状网络(Communication heterogeneous mesh network, CHMN)。CHMN由具有多种无线通信协议的节点组成。本文提出了一种基于CHMN的按需多路径距离矢量(AD HOC on-demand multi-path distance vector,AOMDV)路由协议(名为CH-AOMDV)。CH-AOMDV能够在路由发起和路径建立过程中识别不同类型的通信协议,并比较CHMN中每个节点的通信距离、数据传输速率、能量和负载情况。NS-2平台仿真表明,当节点之间的分布距离变远时,在数据包传输速率、平均端到端延迟、吞吐率和路由开销方面,CHMN的性能优于传统网络。本文提出了一种实现CHMN的方法和相应的负载均衡路由协议CH-AOMDV,该协议优于其他3种协议,它提高了网络的生命周期、吞吐量和数据包分组投递率,降低了节点开销和平均端到端延迟,该协议对CHMN非常有用。In application scenarios such as smart cities,a single wireless communication technology cannot cover complex network environments,while different communication technologies cannot communicate with each other,making it impossible to take full advantage of different wireless communication technologies.Therefore,we design a device that can communicate with multiple wireless communication nodes,which is called wireless heterogeneous communication modules(WHCM).WHCM is used as a hub to build a communication heterogeneous mesh network(CHMN).CHMN consists of nodes with multiple wireless communication protocols.We propose an AD HOC ondemand multi-path distance vector(AOMDV)routing protocol based on CHMN networks,named CH-AOMDV.CH-AOMDV is able to identify different types of communication protocols during the route initiation and path establishment process.It can also identify the communication distance,data transmission rate,energy and the load capacity of each node in CHMN.Simulations with NS-2 show that the performance of the CHMN is better than that of the traditional network when the distribution density between nodes is higher in terms of packet delivery rate,average end-to-end delay,throughput rate and routing overhead.This work proposes a new method of implementing CHMN and the corresponding routing protocol CH-AOMDV.The proposed protocol is superior to the other three protocols,improves network lifecycle,throughput and packet delivery rate,and reduces node overhead and average end-to-end delay.The protocol is useful for CHMN.

关 键 词：异构网络 STM32 需多路径距离矢量 路径负载 NS-2 

分 类 号：TN927.2[电子电信—通信与信息系统]