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无线Ad Hoc网络支持QoS的研究进展与展望
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Supported bythe National Science Foundation of China under Grant No.90304004(国家自然科学基金);the National High-Tech Research and Development Plan of China under Grant No.2003AA121540(国家高技术研究发展计划(863));the Science andTechnology Research Project of Chongqing Municipal Education Commission of China under Grant No.050310(重庆市教委科学技术研究基金)

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    摘要:

    无线ad hoc网络的应用环境以及与Internet的互连要求它必须提供一定的服务质量(QoS)保证,然而,无线信道固有的特点及节点移动造成网络拓扑的频繁变化,使得在无线ad hoc网络中支持QoS面临许多新的挑战.从无线ad hoc网络的QoS体系结构、QoS路由、QoS信令、支持业务区分和资源预留的介质访问控制协议这4个方面出发,对近年来国内外在该方向取得的研究成果作了全面的概括总结和比较分析,系统阐述了在无线ad hoc网络中支持QoS的问题,指出了亟待解决的问题和今后的研究方向.

    Abstract:

    The application environments and connection with the Internet require that wireless ad hoc networks should support Quality-of-Service (QoS). In a wireless ad hoc network, supporting quality-of-service is very difficult because of the inherent characteristics of wireless channel and the frequent change of network topology. This paper comprehensively summarizes and deeply analyzes the researches of recent years on the QoS architecture, QoS routing, QoS signaling, and media access control (MAC) mechanism that supports service differentiation and resource reservation in wireless ad hoc networks. Based on the analysis, this paper deeply discusses the problems that must be resolved to support QoS in wireless ad hoc networks, and points out the direction to the research in the future.

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李云,赵为粮,隆克平,吴诗其.无线Ad Hoc网络支持QoS的研究进展与展望.软件学报,2004,15(12):1885-1893

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  • 收稿日期:2003-08-20
  • 最后修改日期:2004-06-10
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