Glossary

RA – Routing Area
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RA – Routing Area

The SGSN (Serving GPRS Support Node) in a GPRS system will control one or more RA (Routing Area). It is the responsibility of the mobile to keep the SGSN informed as to its current RA. Routing Areas can be made up on one or more cells. Each Routing Area is given a RAI (Routing Area Identification).

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