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Chapter 6 Wireless and Mobile Networks - Network and Systems Lab

Chapter 6 Wireless and Mobile Networks - Network and Systems Lab

Chapter 6 Wireless and Mobile Networks - Network and Systems Lab

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GSM: h<strong>and</strong>off between MSCs<br />

home network<br />

Home<br />

MSC<br />

anchor MSC<br />

MSC<br />

correspondent<br />

PSTN<br />

MSC<br />

MSC<br />

anchor MSC: first MSC<br />

visited during call<br />

call remains routed<br />

through anchor MSC<br />

new MSCs add on to end<br />

of MSC chain as mobile<br />

moves to new MSC<br />

(a) before h<strong>and</strong>off<br />

6: <strong>Wireless</strong> <strong>and</strong> <strong>Mobile</strong> <strong><strong>Network</strong>s</strong> 6-66

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