This TS specifies the procedures used at the radio interface (Reference Point Um, see TS 24.002
) for Radio Resource management. The Radio Resource Control Protocol (RRC) is specified. RRC is the Radio Resource control plane protocol for Radio Resource management that is used when a mobile station is operating in Iu mode.
These procedures are defined in terms of messages exchanged over the control channels of the radio interface. The control channels are described in TS 44.003
. The structured functions and procedures of this protocol and the relationship with other layers and entities are described in general terms in TS 24.007