| IEEE 802.11网络中服务质量支持机制的研究 |
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| 引用本文： | 曾晶,李仁发.IEEE 802.11网络中服务质量支持机制的研究[J].武汉职业技术学院学报,2006,5(3):57-59. |
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| 作者姓名： | 曾晶 李仁发 |
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| 作者单位： | 湖南大学,计算机与通信学院,湖南,长沙,410082 |
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| 基金项目： | 中国网上教育平台试点工程项目(计高技[2000]2034号) |
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| 摘 要： | 如何保证实时业务(如VoIP、AoD和VoD等多媒体业务)的服务质量是目前无线通信领域的一个重要课题。本文概述了现有的IEEE 802．11中服务质量支持机制,包括基于 MAC层的区分服务机制、基于MAC以上层的接纳控制和带宽预留机制等,对实现复杂性、兼容性和资源利用率等进行了简要分析。
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| 关 键 词： | IEEE 802．11无线局域网 服务质量保证 区分服务 接纳控制 带宽预留 |
| 文章编号： | 1671-931X（2006）03-0057-03 |
| 收稿时间： | 2006-06-08 |
| 修稿时间： | 2006年6月8日 |
Study of QoS Support Mechanism in IEEE 802.11 Networks |
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| ZENG Jing,LI Ren-fa.Study of QoS Support Mechanism in IEEE 802.11 Networks[J].Journal of Wuhan Institute of Technology,2006,5(3):57-59. |
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| Authors: | ZENG Jing LI Ren-fa |
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| Institution: | School of Computer and Communication, Hunan University, Changsha 410082, China |
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| Abstract: | Due to simple deployment, low cost and broadband bandwidth capability, WLAN market is experiencing explosive growth. As an important component of key network in the future, WLAN is required to meet multi-services and high quality of service. Therefore, the major problem is how to satisfy the QoS requirement of real-time service. This article surveys the QoS support mechanism in IEEE 802.11 networks, including service differentiation in the MAC layer, admission control and bandwidth reservation in MAC and higher layers, and there is a comparison between them in terms of complexity, compatibility and resource utilization. |
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| Keywords: | IEEE 802 11 Wlan QoS service differentiation admission control bandwidth reservation |
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