Satellite terminal bursty traffic model and queuing performance analysis

doi:10.11772/j.issn.1001-9081.2014.04.0958

Journal of Computer Applications ›› 2014, Vol. 34 ›› Issue (4): 958-962.DOI: 10.11772/j.issn.1001-9081.2014.04.0958

• Network and communications • Previous Articles Next Articles

Satellite terminal bursty traffic model and queuing performance analysis

BIE Yuxia¹,²,ZHAN Zhaxin¹,²,LIU Haiyan²

1. College of Information Engineering, Dalian University, Dalian Liaoning 116622, China
2. Key Laboratory of Communication and Network, Dalian University, Dalian Liaoning 116622, China

Received:2013-09-29 Revised:2013-12-07 Online:2014-04-01 Published:2014-04-29
Contact: BIE Yuxia

卫星终端突发性业务模型与排队性能分析

别玉霞¹,²,占兆昕¹,²,刘海燕¹

1. 大连大学通信与网络重点实验室,辽宁大连 116622
2. 大连大学信息工程学院,辽宁大连 116622;

通讯作者: 别玉霞
作者简介:别玉霞(1981-),女,山东潍坊人,讲师,博士研究生,CCF会员,主要研究方向:导航制导与控制、卫星通信;
占兆昕(1988-),男,江西九江人,硕士研究生,CCF会员,主要研究方向:卫星通信网络;
刘海燕(1963-),女,黑龙江萝北人,教授,博士, CCF会员,主要研究方向:卫星网络、信号处理。
基金资助:
国家863计划项目;辽宁省教育厅一般项目

Abstract

Abstract:

With the increase of application of satellite networks in emergency communication, and continuous growth of satellite terminal service types, the traffic may experience an instant augmentation showing a significant burst, and the data flow on the terminal also presents self-similarity. A method was propsed to generate satellite terminal self-similar traffic flow by using a superposition ON/OFF model with heavy-tailed distribution of time interval. And the effect of input of self-similar traffic flow on the packet loss rate, delay, and delay jitter was discussed, as well as the requirements on effective bandwidth. The relationship between packet loss rate at network terminal, delay, delay jitter and system cache was obtained by simulation, based on which, a method was put forward to reduce delay and decrease packet loss rate, providing theoretical support for efficient information transmission under condition of limited bandwidth and system cache.

摘要：

随着卫星网络在应急通信中的应用,卫星终端业务的种类不断增加,业务流量可瞬间增大,具有明显的突发性,终端上的数据流量数据呈现出自相似性。利用时间间隔服从重尾分布的ON/OFF叠加模型产生卫星终端的自相似业务流量,并讨论了自相似业务流量输入对卫星终端的丢包率、时延和时延抖动的影响以及对有效带宽的需求。通过仿真,得出了网络终端业务丢包率、时延、时延抖动与系统缓存之间的关系,在此基础上,提出了减少时延、降低丢包率的思路,在带宽和缓存受限的情况下,为信息的高效传输提供了理论依据。

CLC Number:

TN927

BIE Yuxia ZHAN Zhaxin LIU Haiyan. Satellite terminal bursty traffic model and queuing performance analysis[J]. Journal of Computer Applications, 2014, 34(4): 958-962.

别玉霞占兆昕刘海燕. 卫星终端突发性业务模型与排队性能分析[J]. 计算机应用, 2014, 34(4): 958-962.

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Satellite terminal bursty traffic model and queuing performance analysis

卫星终端突发性业务模型与排队性能分析

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