面向远程医疗应用的IEEE 802.11e增强型分布式信道接入无线网络的跨层设计

2009 Innovative Technologies in Intelligent Systems and Industrial Applications Pub Date : 2009-07-25 DOI:10.1109/CITISIA.2009.5224228

E. H. Putra, E. Supriyanto, J. Din, H. Satria

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引用次数: 3

摘要

远程医疗系统需要一个可接受的网络服务质量和成本。IEEE 802.11无线局域网技术是为了提供可扩展和低成本的网络而发展起来的。但在远程医疗应用中，该技术还不能满足服务质量的要求。为了克服这一问题，提出了一种跨层无线局域网设计方案。本设计基于IEEE 802.11e增强型分布式信道接入(EDCA)和IEEE 802.11g数据链路和物理层标准。该方法已在NS2仿真环境中实现。模拟了四种不同优先级的交通流。仿真结果表明，跨层设计在传输视频数据时比传统的IEEE 802.11b无线局域网具有更好的吞吐量价值。因此，新设计具有应用于远程医疗系统的潜力。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Cross layer design of IEEE 802.11e Enhanced Distributed Channel Access wireless network for telemedicine application

Telemedicine system requires an acceptable network quality of service and cost. IEEE 802.11 wireless LAN technology has been developed to provide scalable and low cost network. For telemedicine application however, the technology does not fulfil the quality of service requirement yet. In order to overcome this problem, a cross layer design of wireless LAN is proposed. The design is based on IEEE 802.11e Enhanced Distributed Channel Access (EDCA) and IEEE 802.11g standards in datalink and physical layers. This has been implemented in NS2 simulation environment. The simulation has been performed to deliver four traffics flows with different priorities. Simulation result shows that the cross layer design has better throughput value when delivering the video data than the conventional IEEE 802.11b wireless LAN. Thus, the new design has a potential to be used in telemedicine system.

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2009 Innovative Technologies in Intelligent Systems and Industrial Applications

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