What is RRC or Radio Resource Control

Radio Resource Control (RRC)

Used for setting up, reconfigure and reestablish radio bearers.

• Cell Broadcast Service (CBS) control.
• Initial cell selection and cell re-selection.
• Paging.
• Broadcast of information:
– related to the non-access stratum (Core Network).
– related to the access stratum.
• Establishment, maintenance and release
– of an RRC connection between the UE and UTRAN.
– of Radio Bearers.
• Assignment, reconfiguration and release of radio resources for the RRC connection.
• Control of requested QoS.
• UE measurement reporting and control of the reporting.
• RRC message integrity protection.
• Arbitration of radio resources on uplink DCH.
• Slow Dynamic Channel Allocation (DCA) (TDD mode).
• Timing advance (TDD mode).
• RRC connection mobility functions (RNC relocation).
• Outer loop power control.
• Control of ciphering.