name: W1
full_form: Scope
context: Figure 6.1-1: Overall architecture The NG-RAN consists of a set of gNBs connected to the 5GC through the NG interface. NOTE: As specified in TS 38.300 [2], NG-RAN could also consists of a set of ng-eNBs, an ng-eNB may consist of an ng-eNB-CU and one or more ng-eNB-DU(s). An ng-eNB-CU and an ng-eNB-DU is connected via W1 interface. The general principle described in this clause also applies to ng-eNB and W1 interface, if not explicitly specified otherwise. An gNB can support FDD mode, TDD mode or dual mode operation. gNBs can be interconnected through the Xn interface. A gNB may consist of a gNB-CU and one or more gNB-DU(s). A gNB-CU and a gNB-DU is connected via F1 interface. One gNB-DU is connected to only one gNB-CU. NOTE: In case of network sharing with multiple cell ID broadcast, each Cell Identity associated with a subset of PLMNs corresponds to a gNB-DU and the gNB-CU it is connected to, i.e. the corresponding gNB-DUs share the same physical layer cell resources. NOTE: For
description: The W1 interface is a connection pathway between an ng-eNB-CU (Central Unit) and one or more ng-eNB-DU(s) (Distributed Unit(s)) within the Next Generation Radio Access Network (NG-RAN). It enables communication and data exchange between these units, facilitating the overall operation of the NG-RAN.
explanation: The context explicitly mentions the W1 interface as a connection between an ng-eNB-CU and an ng-eNB-DU, highlighting its role in enabling communication between these network components. This classification is based on the definition of an Interface as a communication pathway between Network Functions.
section_title: 6.1.1Overall Architecture of NG-RAN
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biotag_Description: O,B-Interface,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,B-Network Function,I-Network Function,I-Network Function,I-Network Function,I-Network Function,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O