基于终端干扰和链路稳定性的多终端协同维护机制

doi:10.11959/j.issn.1000-436x.2015106

通信学报 ›› 2015, Vol. 36 ›› Issue (7): 176-184.doi: 10.11959/j.issn.1000-436x.2015106

基于终端干扰和链路稳定性的多终端协同维护机制

张洁¹,芮兰兰¹,郭少勇²,邱雪松¹,丁一凡¹

¹ 北京邮电大学网络与交换技术国家重点实验室，北京 100876
² 北京交通大学高速铁路网络管理教育部工程研究中心，北京 100044

出版日期:2015-07-25 发布日期:2015-07-25
基金资助:
国家自然科学基金创新研究群体科学基金资助项目;国家自然科学基金资助项目;国家自然科学基金资助项目;国家高技术研究发展计划（“863”计划）基金资助项目;北京高等学校青年英才计划项目基金资助项目;博士后基金资助项目

Device interference ability and link stability based on multi-devices cooperation and maintenance mechanism

Jie ZHANG¹,Lan-lan RUI¹,Shao-yong GUO²,Xue-song QIU¹,Yi-fan DING¹

¹ State Key Laboratory of Networking and Switching Technology,Beijing University of Posts and Telecommunications,Beijing 100876,China
² High Speed Railway Network Management Engineering Research Center of Ministry of Education,Beijing Jiaotong University,Beijing 100044,China

Online:2015-07-25 Published:2015-07-25
Supported by:
The National Natural Science Foundation for Creative Research Groups of China;The National Natural Science Foundation of China;The National Natural Science Foundation of China;The National High Technology Research and Development Program of China (863 Program);The Excellent Young Teacher Project of Beijing Higher Education

摘要/Abstract

摘要：

在泛在末梢环境中，为了减少协同方案维护代价，满足一定的业务质量需求，提出了一种基于终端干扰和链路稳定性的多终端协同维护机制(MDCMM) 该机制建立了协同方案维护模型，结合终端干扰和链路稳定性确定了维护指标，并使用动态规划思想优先选择可靠的协同方案，减少方案切换对用户的干扰，满足用户多样化的业务质量需求。经OPNET和MATLAB仿真实验，该机制具有较低的维护代价，并且协同方案切换更平滑，证明该机制能更好地保障用户体验。

关键词: 泛在末梢环境, 多终端协同维护, 动态规划, 终端干扰

Abstract:

To reduce costs of cooperation solutions maintenance and meet certain demand of service quality,a multi-devices cooperation and maintenance mechanism (MDCMM) based on device interference ability and link stability was proposed.With amulti-devices cooperation model,and an evaluation index considering both the heterogeneous device interference ability and the link stability,MDCMM provides a maintenance mechanism of the ubiquitous service in a certain period based on dynamic planning optimization strategy,aims at reduces interference of cooperation solutions switching and meet users’ diverse needs.Simulation results show that,compared with the existing mechanism,MDCMM has lower maintenance costs,smoother cooperation solutions,and better able to guarantee the user experience.

Key words: ubiquitous environment, multi-devices cooperation and maintenance, dynamic planning, device interference ability

张洁,芮兰兰,郭少勇,邱雪松,丁一凡. 基于终端干扰和链路稳定性的多终端协同维护机制[J]. 通信学报, 2015, 36(7): 176-184.

Jie ZHANG,Lan-lan RUI,Shao-yong GUO,Xue-song QIU,Yi-fan DING. Device interference ability and link stability based on multi-devices cooperation and maintenance mechanism[J]. Journal on Communications, 2015, 36(7): 176-184.

图/表 9

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表1

泛在环境参数设置"

环境参数	设置值
节点数目	30
路由协议	AODV
环境范围	1 000 m×1 000 m
发射功率	0.03 w
流量生成/(packet·s^-1)	CBR 1
最大速度/(m·s^-1)	5,10,15
移动模型	random waypoint model
子业务个数	5
最大可用终端数	1,2,3,4,5默认为3
权值	α、β、γ、ρ和δ分别设为 $\frac{1}{4}$ 、 $\frac{1}{4}$ 、 $\frac{1}{2}$ 、 $\frac{1}{2}$ 、 $\frac{1}{2}$
仿真时间/s	2 000

表1

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基于终端干扰和链路稳定性的多终端协同维护机制

Device interference ability and link stability based on multi-devices cooperation and maintenance mechanism

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