5G NR RRC (Radio Resource Control)
RRC is Radio Resource Control. It is a layer 3 protocol used between the UE and the Base station. This protocol is specified by the 3GPP. RRC messages are transported via PDCP
The Radio Resource Control (RRC) protocol is used in UMTS, LTE and 5G on the Air interface. It is a layer 3 (Network Layer) protocol used between UE and Base Station. This protocol is specified by 3GPP in TS 25.331 for UMTS, in TS 36.331 for LTE and in TS 38.331 for 5G New Radio. RRC messages are transported via the PDCP -Protocol.
RRC parameters should be understood by the network and the UE which can communicate via radio channel. RRC is a layer within the 5G NR protocol stack. RRC (Radio Resource Control) protocol is used on the Air interface.
RRC stands for Radio Resource Control. It's a protocol that resides in the control plane of the LTE architecture, acting as the brain behind managing radio resources and connections between your phone (User Equipment or UE) and the cell tower (evolved NodeB or eNB). The RRC layer is a Layer 3 protocol in the LTE control plane architecture.
The collection of all the lower layers within UE or basestation is called 'Radio Resource' (i.e, resources required to make radio communication possible). The major role of RRC is to control (configure) all the Radio Resources (PHY, MAC, RLC, PDCP) to make it possible to communicate between UE and the base station (e.g, gNB, eNB, NB, BTS etc).
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