name: NCI
full_form: NR Cell Identity
context: The NCIs of the cells served by a mobile IAB-DU configured by the OAM can be reconfigured by the F1-terminating IAB-donor-CU serving the mobile IAB-DU, in case of an NCI collision with cells of other gNB-DUs served by the IAB-donor-CU. The reconfiguration of NCI pertains to the reconfiguration of the cellLocalId part of the NCI, where the new cellLocalId(s) are based on a list of NCIs that has been configured on this F1-terminating IAB-donor-CU. The value change of cellLocalId(s) shall be indicated to the OAM system of the mobile IAB-DU following the NCI reconfiguration. The mobile IAB-DU can notify OAM about the reconfigured cellLocalId(s) using notifications specified in TS 28.532 [33]. NOTE: This shall not affect the existing procedure of configuring NCGI of cells served by a stationary gNB-DU via the OAM.
description: NR Cell Identity (NCI) is a critical network attribute used to uniquely identify cells in the 5G New Radio (NR) network. It consists of two parts: NCGI (NCG Identifier) and cellLocalId, where NCGI identifies the gNB-DU serving the cell and cellLocalId is a unique identifier for each cell served by the same gNB-DU.
explanation: NCI is classified as a Parameter because it represents an essential network attribute that needs to be configured and managed within the 5G NR network. The context highlights its role in identifying cells, handling collisions, and undergoing reconfiguration, which are all critical operations involving parameters.
section_title: 8.9.15IAB-donor-CU-based NR Cell Identity (NCI) (re-)configuration for mobile IAB cells
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