ETSI TS 101 376-4-13 specifies the procedures used at the radio interface (Reference Point GMR-1 Um, see ETSI TS 124 002 [30]) 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 MES is operating in Iu mode.

When the notations for "further study" or "FS" or "FFS" are present in the present document they mean that the indicated text is not a normative portion of the present document.

These procedures are defined in terms of messages exchanged over the control channels of the radio interface. The control channels are described in ETSI TS 101 376-4-3 [3].

The structured functions and procedures of this protocol and the relationship with other layers and entities are described in general terms in ETSI TS 124 007 [17] and ETSI TS 101 376-4-7 [4].