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). In this page, I will give you the brief introduction to RRC in NR. In fact, RRC is a huge topic because it eventually get involved in whole protocol stack.

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 [2] for UMTS, in TS 36.331 [3] for LTE and in TS 38.331 [4] for 5G New Radio. RRC messages are transported via the PDCP -Protocol.

Jun 11, 2024 · The RRC protocol in 5G NR offers a sophisticated mechanism to manage UE states, balancing battery efficiency, connectivity, and mobility. Understanding the intricacies of RRC_IDLE, RRC_CONNECTED, and RRC_INACTIVE states is crucial for optimizing network performance and enhancing the user experience in 5G environments.

Dec 19, 2023 · The RRC layer in 5G networks is a critical component for managing radio resources, enabling mobility, and ensuring secure and efficient communication between the User Equipment and the 5G NR network. Its functions play a key role in establishing and maintaining connections, controlling radio bearers, and managing the mobility of devices within ...

Sep 5, 2019 · There are three RRC states; RRC_IDLE, RRC_INACTIVE, and RRC_CONNECTED are defined for a 5G NR UE. While RRC_IDLE and RRC_CONNECTED states in NR are almost same as those of LTE, the RRC_INACTIVE states is newly introduced in …

Aug 11, 2022 · RRC is responsible for handling RAN-related C-plane procedures like: Broadcasting System Information (SI): It is necessary for the device to be able to communicate with the cell. Transmission of...

Dec 14, 2023 · The 5G New Radio (NR) Radio Resource Control (RRC) procedure plays a crucial role in the establishment, maintenance, and release of radio resources in a 5G network. The RRC procedure defines the states and transitions between these states to manage the connection between the User Equipment (UE) and the 5G

The 5G RRC (Radio Resource Control) layer is an essential component of the 5G network architecture and protocols that facilitates communications between the UEs and the radio access network.

Dec 21, 2023 · The RRC protocol is responsible for controlling the configuration and release of radio resources for the 5G NR system. Understanding the state transitions is crucial for efficient radio resource management, power saving, and overall system performance. Let's delve into the technical details of the 5G NR RRC state transitions.

In the 5G NR, RRC has three distinct stages: It refers to various different phases in which UE/Network be after RRC connection setup and before RRC release. There are three states that occur after Radio Bearer setup. RRC state change refers to …