From the course: 5G Accessibility KPI Engineering and Optimization

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RRC idle and connected state

RRC idle and connected state

From the course: 5G Accessibility KPI Engineering and Optimization

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RRC idle and connected state

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- [Instructor] If we get a little bit more in detail about RRC idle and RRC connected modes, you see on the left side, this is the RRC idle mode where the node connectivity has happened so far between the UE and the core network. All the communication is happening between the UE and the G node B or 5G NR in this case. And all the information related to mobility and access management that is being taken care by the UE itself through the SIP messages coming from the G node B and here, in this case it's in a RRC idle mode. It is not consuming any resources at the core level between the gNodeB and the AMF, but once there is some demand of data connection to be created between the UE and the core network, in that case there is a RRC connected mode comes in picture. In this case, if you see the point number 789, there is a connection being built between the Ue and the AMF via gNodeB. And here the authentication and registration…

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