流星余迹通信中混合自动请求重传机制的网络时延性能分析

doi:10.11772/j.issn.1001-9081.2016.11.3039

计算机应用 ›› 2016, Vol. 36 ›› Issue (11): 3039-3043.DOI: 10.11772/j.issn.1001-9081.2016.11.3039

流星余迹通信中混合自动请求重传机制的网络时延性能分析

夏冰, 李琳琳, 郑燕山

火箭军工程大学信息工程系, 西安 710025

收稿日期:2016-05-23 修回日期:2016-06-29 出版日期:2016-11-10 发布日期:2016-11-12
通讯作者: 夏冰
作者简介:夏冰(1991-),男,河南荥阳人,硕士研究生,主要研究方向:流星余迹通信系统仿真;李琳琳(1974-),女,辽宁营口人,副教授,博士,主要研究方向:指挥信息系统仿真建模;郑燕山(1991-),男,福建莆田人,硕士研究生,主要研究方向:指挥信息系统作战效能评估。
基金资助:
国家863计划项目（2012AA7010213）。

Analysis of delay performance of hybrid automatic repeat request in meteor burst communication

XIA Bing, LI Linlin, ZHENG Yanshan

Department of Information Engineering, Rocket Force University of Engineering, Xi'an Shaanxi 710025, China

Received:2016-05-23 Revised:2016-06-29 Online:2016-11-10 Published:2016-11-12
Supported by:
This work is partially supported by the National High Technology Research and Development Program (863 Program) of China (2012AA7010213).

摘要/Abstract

摘要： 针对流星余迹通信系统建模仿真过程中，由混合自动请求重传（HARQ）机制引起的网络时延问题，提出基于HARQ的传输时延估算模型。首先，结合流星余迹通信的网络结构和信道特征，通过分析HARQ的基本原理，建立了流星余迹通信中HARQ的网络时延模型；然后利用排队论的相关理论，引入HARQ的改进机制，提出了Ⅰ型HARQ和Ⅱ型HARQ的传输时延估算模型；最后，通过仿真实验对两种HARQ的传输时延性能进行了对比分析，在改变分组传输正确率和分组时间长度的条件下，Ⅱ型HARQ的传输时延均比Ⅰ型HARQ小。实验结果表明：流星余迹通信中Ⅱ型HARQ比Ⅰ型HARQ具有更好的网络时延性能。

关键词: 流星余迹通信, 网络结构, 混合自动请求重传, 时延模型, 排队论

Abstract: In modeling and simulation of meteor burst communication system, concerning the problem of network delay caused by Hybrid Automatic Repeat Request (HARQ), an estimation model of transmission delay based on HARQ was proposed. Firstly, in consideration of the network structure and channel characters in meteor burst communication, a network delay model was constructed by analyzing the theory of HARQ. Then, based on queuing theories, the improvement mechanism of HARQ was introduced to establish an estimation model of transmission delay of Type-Ⅰ HARQ and one of Type-Ⅱ HARQ. Finally, the simulation was realized to compare and analyze the transmission delay performance of two kinds of HARQ. When packet transmission accuracy or packet transmission time changes independently, the transmission delay of Type-Ⅱ HARQ is less than that of Type-Ⅰ HARQ. The experimential results show that Type-Ⅱ HARQ has advantages of network delay performance in meteor burst communication compared to Type-Ⅰ HARQ.

Key words: meteor burst communication, network structure, Hybrid Automatic Repeat Request (HARQ), delay model, queuing theory

中图分类号:

TP391.9

夏冰, 李琳琳, 郑燕山. 流星余迹通信中混合自动请求重传机制的网络时延性能分析[J]. 计算机应用, 2016, 36(11): 3039-3043.

XIA Bing, LI Linlin, ZHENG Yanshan. Analysis of delay performance of hybrid automatic repeat request in meteor burst communication[J]. Journal of Computer Applications, 2016, 36(11): 3039-3043.

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流星余迹通信中混合自动请求重传机制的网络时延性能分析

Analysis of delay performance of hybrid automatic repeat request in meteor burst communication

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