name: EMM-REGISTERED
full_form: EPS Mobility Management Registered
context: The purpose of the GUTI reallocation procedure is to allocate a GUTI and optionally to provide one or more of the following to a particular UE: - a new TAI list; - a new DCN-ID; and - in WB-S1 mode, if the UE supports RACS, either a UE radio capability ID deletion indication or a UE radio capability ID. The reallocation of a GUTI is performed by the unique procedure defined in this clause. This procedure can only be initiated by the MME in state EMM-REGISTERED. The GUTI can also be implicitly reallocated at attach or tracking area updating procedures. The implicit reallocation of a GUTI is described in the clauses which specify these procedures (see clause 5.5.1 and 5.5.3). The PLMN identity in the GUTI indicates the current registered PLMN. NOTE 1: The GUTI reallocation procedure is usually performed in ciphered mode. NOTE 2: Normally, the GUTI reallocation will take place in conjunction with another mobility management procedure, e.g. as part of tracking area updating.
description: EMM-REGISTERED is a state in the EPS Mobility Management (EMM) protocol where the UE is registered with the network and has an allocated GUTI. In this state, the MME can initiate procedures such as GUTI reallocation, and the UE is considered to be in a connected state.
explanation: The abbreviation EMM-REGISTERED refers to a specific state within the EPS Mobility Management protocol where the UE is registered with the network. This state allows for certain procedures like GUTI reallocation to occur, indicating that it's not just an event or action but rather a condition of being in a particular status.
section_title: 5.4.1 GUTI reallocation procedure 5.4.1.1 General
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biotag_Description: B-State,O,O,O,O,O,B-Protocol,I-Protocol,I-Protocol,O,O,O,O,B-Device,O,O,O,O,O,O,O,O,O,O,O,O,O,O,B-Network Function,O,O,O,O,O,B-Parameter,O,O,O,B-Device,O,O,O,O,O,O,O,O