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Wireless Extension of Ethernet Powerlink Networks based on the IEEE 802.11 Wireless LAN

机译：基于IEEE 802.11无线LAN的以太网PowerLink网络的无线扩展

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摘要

Recently, two new types of communication networks have become available at the low levels of factory automation systems. Besides fieldbuses, which have been traditionally used since long time, both Real-Time Ethernet (RTE) and wireless networks may now be employed. Consequently, it is envisaged that hybrid configurations using all types of the available communication systems will be even more deployed in the future. In this paper we focus, specifically, on hybrid systems which realize wireless extensions of wired networks. In detail, we address the extension of Ethernet Powerlink, a popular RTE network, by means of the IEEE 802.11 WLAN. We consider two types of extensions based on both bridge and gateway devices. After a discussion concerning the actual implementation of the extensions, we provide some performance figures obtained from both a theoretical analysis and numerical simulations.
机译：最近，两种新型的通信网络已经在厂房较低的工厂自动化系统中获得。除了传统上使用的现场总线，现在可以采用实时以太网（RTE）和无线网络。因此，设想使用所有类型的可用通信系统的混合配置将来将更加部署。在本文中，我们专注于实现有线网络的无线扩展的混合系统。详细地，我们通过IEEE 802.11 WLAN来解决以太网PowerLink，流行的RTE网络的扩展。我们考虑基于两个桥和网关设备的两种类型的扩展。在关于延伸的实际实施的讨论之后，我们提供了从理论分析和数值模拟中获得的一些性能数据。

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