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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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<strong>Chapter</strong> 6: <strong>Wireless</strong> <strong>and</strong> <strong>Mobile</strong> <strong><strong>Network</strong>s</strong><br />

Background:<br />

# wireless (mobile) phone subscribers now<br />

exceeds # wired phone subscribers!<br />

computer nets: laptops, palmtops, PDAs,<br />

Internet-enabled phone promise anytime<br />

untethered Internet access<br />

two important (but different) challenges<br />

wireless: communication over wireless link<br />

mobility: h<strong>and</strong>ling the mobile user who changes point<br />

of attachment to network<br />

6: <strong>Wireless</strong> <strong>and</strong> <strong>Mobile</strong> <strong><strong>Network</strong>s</strong> 6-2

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