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Chapter 6 Wireless and Mobile Networks - Network and Systems Lab

Chapter 6 Wireless and Mobile Networks - Network and Systems Lab

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802.11 LAN architecture<br />

BSS 1<br />

AP<br />

Internet<br />

hub, switch<br />

or router<br />

AP<br />

wireless host communicates<br />

with base station<br />

base station = access<br />

point (AP)<br />

Basic Service Set (BSS)<br />

(aka “cell”) in infrastructure<br />

mode contains:<br />

wireless hosts<br />

access point (AP): base<br />

station<br />

ad hoc mode: hosts only<br />

BSS 2<br />

6: <strong>Wireless</strong> <strong>and</strong> <strong>Mobile</strong> <strong><strong>Network</strong>s</strong> 6-19

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