| 摘要 |
Provided is an apparatus and method for providing a packet service in a mobile communication system. An RNC broadcasts an SIB signal including Always-On availability information. Upon receipt of an RRC connection request message for requesting an Always-On mode, the RNC maintains a preservation state in communication with a core network. A UE detects the Always-On availability information in the SIB signal received from the RNC to determine whether the Always-On mode is available. If the Always-On mode is available, the UE generates the RRC connection request message to transmit the generated RRC connection request message to the RNC.
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