5G NR PDCP entity establishment When upper layers request a PDCP entity establishment for a radio bearer, the UE shall: – establish a PDCP entity for the radio bearer; – set the state variables of the PDCP entity to initial values; – start data transfer 5G …
UE in RRC_CONNECTED, it will measure multiple beams of the cell to determine cell quality. Then it will report the measurements to network, based on that, network can inform UE to perform handover. There are 2 types of measurement reporting: 1. Periodic reporting 2. Event reporting. …
Note: This procedure is extra long, I have mentioned important points. It is better that you read it from specification. The purpose of this procedure is: -> to modify RRC Connection to establish/modify.release RB. -> to perform reconfiguration with sync -> to setup/modify/release measurements -> to …
This procedure is used to establish an RRC connection to the network. After this procedure SRB1 will be established. This procedure is also used to transfer initial NAS dedicated information message from UE to Network. Initiation UE will initiate this procedure, when upper layers request for …
In this chapter we shall learn about RRC paging procedure. RRC paging function is used to trigger RRC Request and RRC Connection Resumption. When the UE in RRC-IDLE, UE will monitor paging channel for CN-initiated paging. UE in RRC-INACTIVE, UE will monitor the paging channel for …
RRC Timers Below are the timers available in 5G NR RRC: T300, T301, T302, T304, T311, T319, T320, T321, T325, T380, T390, T3xx Timer: T300 Start: Upon transmission of RRCSetupRequest. Stop: Upon reception of RRCSetup or RRCReject message, cell re-selection Upon Timeout: If security is not …
