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无线传感器网络的QoS体系结构 被引量:46

QoS Architecture in Wireless Sensor Network
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摘要 不同于传统互联网,作为涵盖了数据感知、处理和传输的复杂任务型网络,无线传感器网络面向应用的特点给服务质量(QoS)研究带来了许多新的挑战,需要针对QoS体系结构以及QoS指标间复杂关系的系统工作.文中首先提出了无线传感器网络中QoS指标的分层模型以及相应的规范化描述,然后分析了QoS指标的映射关系,最后提出了一个层次化的QoS体系结构,希望为无线传感器网络中QoS保障技术的系统性研究提供参考. As a complex network consisting of sensing, processing and communication, wireless sensor network is driven by various applications and highly requires new QoS (Quality of Service) guarantees. However, unlike traditional Internet, its unique characteristics have brought unprecedented challenges in the area of QoS research. First a hierarchical description (user level, network level and node level) and a comprehensive specification for QoS parameters are presented in this paper. Then the mapping relationship between QoS parameters is carefully analyzed. Final- ly, a hierarchical QoS architecture is proposed for systemic QoS support in wireless sensor networks.
出处 《计算机学报》 EI CSCD 北大核心 2009年第3期432-440,共9页 Chinese Journal of Computers
基金 国家"八六三"高技术研究发展计划项目基金(2006AA01Z218 2008AA01Z212) 国家"九七三"重点基础研究发展规划项目基金(2006CB303000) 国家自然科学基金(60773138) 国家教育部新世纪优秀人才支持计划等资助~~
关键词 无线传感器网络 QOS映射 QOS体系结构 QOS保障 wireless sensor network QoS mapping QoS architecture QoS guarantee
作者简介 文浩,男,1983年生,博士研究生,主要研究方向为无线传感器网络和DTN网络.E-mail:wen-h05@mails.tsinghua.edu.cn. 林闯,男,1948年生,教授,博士生导师,主要研究领域为计算机网络和系统性能模型及评价. 任丰原,男,1970年生,副教授,博士生导师,主要研究领域为网络控制、无线传感器网络. 周嘉,男,1983年生,硕士研究生,主要研究方向为无线网络. 曾荣飞,男,1983年生,博士研究生,主要研究方向为计算机网络安全.
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参考文献20

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