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wilamowski-b-m-irwin-j-d-industrial-communication-systems-2011

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52-4 Industrial Communication Systems<br />

Table 52.1<br />

The Mobile Standards Comparison<br />

3G Wi-Fi: 802.11 WiMAX: 802.16 Mobile-Fi<br />

Max speed 2.Mbps 54.Mbps 100.Mbps 16.Mbps<br />

Area coverage Several miles 300.ft 50 miles Several miles<br />

Licensing model Licensed Unlicensed Either Licensed<br />

Advantages Range, mobility Speed, price Speed, range Speed, mobility<br />

Disadvantages Slow, expensive Short range Interference issues High price<br />

Table 52.2<br />

WiMAX vs. WLAN and PAN<br />

PAN WLAN WiMAX<br />

IEEE standard 802.15 802.11 a/b/g 802.16 a/d/e<br />

Radius

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