name: X2
full_form: Interface between two eNodeBs or between an eNodeB and a gNodeB
context: Stage 2 specification for X2-C procedures for EN-DC is contained in TS 36.300[ Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Universal Terrestrial Radio Access Network (E-UTRAN); Overall description; Stage 2 ]  [2]. Xn-C procedures for MR-DC with 5GC are specified in TS 38.423[ NG-RAN; Xn Application Protocol (XnAP) ]  [5]. X2-U procedures for EN-DC and Xn-U procedures for MR-DC with 5GC are specified in TS 38.425[ NG-RAN; NR user plane protocol ]  [6].
description: The X2 interface is a critical interconnection between two eNodeBs or between an eNodeB and a gNodeB, facilitating communication and data exchange. This interface plays a vital role in enabling multi-connectivity and ensuring seamless handovers between different base stations within the Evolved Universal Terrestrial Radio Access Network (E-UTRAN) and Next Generation Radio Access Network (NG-RAN). The X2 interface supports various procedures such as X2-C for EN-DC, Xn-C for MR-DC with 5GC, X2-U for EN-DC, and Xn-U for MR-DC with 5GC, which are specified in different 3GPP technical specifications.
explanation: The X2 interface is classified as an Interface because it represents a communication link between network elements (eNodeBs or eNodeB and gNodeB) that enables the exchange of information necessary for multi-connectivity and handover procedures. This aligns with the context provided, which highlights its role in facilitating various procedures within the E-UTRAN and NG-RAN.
section_title: 12 X2/Xn Interface related aspects
biotag_Context: O,O,O,O,B-Miscellaneous,O,O,B-Technology,O,O,O,B-Specification,O,B-Network,I-Network,I-Network,I-Network,I-Network,O,O,B-Network,I-Network,I-Network,I-Network,I-Network,I-Network,O,O,O,O,O,O,O,O,O,O,B-Technology,O,B-Network,O,O,O,B-Specification,O,O,B-Interface,O,O,O,O,O,B-Miscellaneous,O,O,B-Technology,O,O,O,O,B-Technology,O,B-Network,O,O,O,B-Specification,O,O,B-Network,O,O,O,O,O
biotag_Description: O,B-Miscellaneous,O,O,O,O,O,O,O,O,O,O,O,B-Network Function,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,B-Network,I-Network,I-Network,I-Network,I-Network,I-Network,O,O,B-Network Function,I-Network Function,I-Network Function,I-Network Function,I-Network Function,O,O,B-Miscellaneous,O,O,O,O,O,O,B-Miscellaneous,O,O,O,O,B-Technology,O,O,B-Miscellaneous,O,O,O,O,O,B-Technology,O,O,O,O,O,O,O,B-Organization,O,O