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首页> 外文会议>International Instrumentation Symposium; 20070430-503; Tulsa,OK(US) >Wi-Fi... Why Now? Exploring New Wireless Technologies for Industrial Applications
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Wi-Fi... Why Now? Exploring New Wireless Technologies for Industrial Applications

机译：Wi-Fi ...为什么现在呢？探索工业应用的新无线技术

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摘要

As Ethernet and Internet Protocol (IP) connectivity quickly become the "serial port" of the future it's clear that wireless technology trends will closely follow. Additionally, recently available spread spectrum technologies are enabling new applications that go beyond simple wire and conduit replacement to more data intensive and bandwidth demanding things such as video surveillance, in-plant VoIP, mobile computing, and active RFID asset tracking to name a few. This paper will focus on the industrial use of public standard IEEE 802.11 technology while providing a broad comparison of different spread spectrum wireless technologies currently deployed in industrial automation applications. Sometimes called Wi-Fi, WLAN, and Wireless Ethernet, devices based on IEEE 802.11 standards are now part of the IT mainstream with many office and even home installations existing today. Advances in enhanced security features, data transmission reliability and environmental packaging have just recently made, what some thought of as a strictly commercial solution, appropriate for demanding industrial applications. Further more, higher powered industrial solutions and new antenna technology mean high data rates at impressive distances can now be achieved. Several application examples will be shared. Perhaps the biggest concern of industrial automation users regarding public standard technology such as IEEE 802.11 is if security of their network and automation system will be somehow compromised. Considerable attention will be spent on discussing solutions to these security concerns.
机译：随着以太网和互联网协议（IP）连接迅速成为未来的“串行端口”，很明显，无线技术趋势将紧随其后。此外，最近可用的扩频技术正在推动新应用的发展，其范围不仅限于简单的电线和管道更换，而是更多的数据密集型和带宽苛刻的应用，例如视频监控，厂内VoIP，移动计算和有源RFID资产跟踪等。本文将重点关注公共标准IEEE 802.11技术在工业上的应用，同时对当前在工业自动化应用中部署的不同扩频无线技术进行广泛的比较。基于IEEE 802.11标准的设备有时被称为Wi-Fi，WLAN和无线以太网，如今已成为IT主流的一部分，如今存在许多办公室甚至家庭安装。最近，在增强的安全功能，数据传输可靠性和环保包装方面取得了一些进展，有人认为这是一种严格的商业解决方案，适合要求苛刻的工业应用。此外，更高功率的工业解决方案和新的天线技术意味着现在可以实现令人印象深刻的距离上的高数据速率。几个应用示例将被共享。对于诸如IEEE 802.11之类的公共标准技术，工业自动化用户最大的担忧可能是其网络和自动化系统的安全性是否会受到损害。将花费大量精力讨论这些安全问题的解决方案。

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