面向时延约束的多跳自组网络性能建模分析

doi:10.13190/j.jbupt.2017-062

北京邮电大学学报 ›› 2017, Vol. 40 ›› Issue (5): 24-29.doi: 10.13190/j.jbupt.2017-062

面向时延约束的多跳自组网络性能建模分析

刘颖^1,2, 朱斯燕¹, 孙晨华², 李国彦²

1. 北京交通大学电子信息工程学院, 北京 100044;
2. 通信网信息传输与分发技术重点实验室, 石家庄 050081

收稿日期:2017-04-24 出版日期:2017-10-28 发布日期:2017-11-21
作者简介:刘颖(1964-),女,教授,博士生导师,E-mail:liuying@bjtu.edu.cn.
基金资助:
国家自然科学基金项目（61371068）；通信网信息传输与分发技术重点实验室开放课题（KX162600033）项目

Performance Modeling and Analysis of Multi-Hop Ad Hoc Network under Delay Constraint

LIU Ying^1,2, ZHU Si-yan¹, SUN Chen-hua², LI Guo-yan²

1. School of Electronic and Information Engineering, Beijing Jiaotong University, Beijing 100044, China;
2. Science and Technology on Information Transmission and Dissemination in Communication Networks Laboratory, Shijiazhuang 050081, China

Received:2017-04-24 Online:2017-10-28 Published:2017-11-21

摘要/Abstract

摘要： 由于无线信道的复杂特性，使得无线多跳自组网在实际应用中的可靠、可用性和实时性均难以得到有效保障.对此，提出了面向时延约束下最大化带宽利用率的集中式多跳自组网络协议参数设计策略.基于无线多跳网络集中式通信调度机制，在网络参数、业务参数、协议参数的基础上充分考虑信道参数带来的影响，建立端对端时延模型和带宽利用率模型.数值仿真结果表明，集中式调度机制更适用于节点规模较小的多跳自组网络.基于上述模型增加时延约束确定网络规模，以最大化控制时隙利用率为目标设计协议参数，使网络带宽利用率在满足时延约束的前提下最优.

关键词: 多跳自组网, 集中式, 端对端时延, 带宽利用率, 网络参数, 协议参数

Abstract: Wireless multi-hop ad Hoc network has been widely used in military battlefield, emergency communication and so on. However, due to the complicate characteristics of wireless channel, it is difficult to obtain reliable protection and real-time reliability in practice. A design strategy on protocol parameters for centralized multi-hop ad Hoc network was proposed to maximize the bandwidth utilization under delay constraint. Based on centralized wireless multi-hop ad Hoc network communication mechanism, an end-to-end delay model and a bandwidth utilization model were established, which fully consider the impacts of four aspects of parameters, network, traffic, protocol and channel. It is shown that the centralized scheduling mechanism is more suitable for the smaller network. Finally, an optimization strategy was given to properly design protocol parameters in different network scenarios under delay constraint.

Key words: multi-hop ad Hoc network, centralized, end-to-end delay, bandwidth utilization, network parameters, protocol parameters

中图分类号:

TN92

刘颖, 朱斯燕, 孙晨华, 李国彦. 面向时延约束的多跳自组网络性能建模分析[J]. 北京邮电大学学报, 2017, 40(5): 24-29.

LIU Ying, ZHU Si-yan, SUN Chen-hua, LI Guo-yan. Performance Modeling and Analysis of Multi-Hop Ad Hoc Network under Delay Constraint[J]. JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM, 2017, 40(5): 24-29.

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面向时延约束的多跳自组网络性能建模分析

Performance Modeling and Analysis of Multi-Hop Ad Hoc Network under Delay Constraint

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