DecodingTelecoms - Term of the week
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RAU Routing Area Update
A GPRS mobile will perform a Routing Area Update in the Ready and Standby state. The RAU is triggered when the mobile crosses a RA (Routing Area) boundary, or periodically. The time interval being set by the network. A RAU is also performed when the mobile moves from the Idle to the Standby state. This will typically happen when the mobile is powered on.
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