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| 无线网状网的QoS研究 |
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董超1,2,3, 陈贵海1,2, 王海3
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1.南京大学 计算机科学与技术系,江苏 南京 210093;2.计算机软件新技术国家重点实验室(南京大学),江苏 南京 210093;3.解放军理工大学 通信工程学院,江苏 南京 210007
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| 摘要: |
| 作为下一代无线通信网络的关键技术,无线网状网能够融合异构网络,满足多类型的业务需求,因此必须提供一定的服务质量(QoS)保证.对目前各种QoS体系结构进行了分析,讨论了无线网状网的QoS体系结构.针对无线网状网网络层以下各层的QoS问题,对近年来国内外在功率控制、无线环境感知、支持QoS的MAC协议、QoS路由以及跨层QoS设计等方向所取得的研究成果进行了全面的概括总结和比较分析.最后对未来的研究发展趋势提出了自己的观点. |
| 关键词: 无线网状网 服务质量 QoS体系结构 功率控制 环境感知 MAC(媒体接入控制) QoS路由 跨层 |
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| 基金项目:Supported by the National Natural Science Foundation of China under Grant No.60672080 (国家自然科学基金); the National Basic Research Program of China under Grant Nos.2006CB303004, 2009CB3020402 (国家重点基础研究发展计划(973)); the National High-Tech Research and Development Plan of China under Grant No.2008AA01Z216 (国家高技术研究发展计划(863)) |
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| Research of QoS on Wireless Mesh Networks |
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DONG Chao,CHEN Gui-Hai,WANG Hai
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| Abstract: |
| As a key technology for next-generation wireless networking, wireless mesh networks (WMNs) should support the quality of service (QoS) because of its capability of integrating with other networks and providing various services. In this paper, the state-of-the-art QoS research on WMNs is presented. By analyzing the current QoS architectures, the QoS architecture on WMNs is discussed. To address the QoS issues below network layer, the research of recent years on the power control, wireless environment awareness, MAC(medium access control) protocol based on QoS, QoS routing, cross-layer design for QoS and other aspects is comprehensively summarized and deeply analyzed. At the end of this paper, future work of QoS on WMNs is proposed. |
| Key words: wireless mesh networks quality of service QoS architecture power control environment awareness MAC(medium access control) QoS routing cross-layer |
