name: NG-RAN
full_form: Next Generation Radio Access Network
context: The general principles guiding the definition of NG-RAN architecture as well as the NG-RAN interfaces are the following: - Logical separation of signalling and data transport networks. - NG-RAN and 5GC functions are fully separated from transport functions. Addressing scheme used in NG-RAN and 5GC shall not be tied to the addressing schemes of transport functions. The fact that some NG-RAN or 5GC functions reside in the same equipment as some transport functions does not make the transport functions part of the NG-RAN or the 5GC. - Mobility for an RRC connection is fully controlled by the NG-RAN. - The NG-RAN interfaces are defined along the following principles: - The functional division across the interfaces have as few options as possible. - Interfaces are based on a logical model of the entity controlled through this interface. - One physical network element can implement multiple logical nodes.
description: The Next Generation Radio Access Network (NG-RAN) is a key component in the 5G architecture, responsible for providing radio access to user equipment and connecting them to the core network. It is designed based on principles that ensure logical separation of signaling and data transport networks, full separation of NG-RAN and 5GC functions from transport functions, and control over mobility for RRC connections.
explanation: NG-RAN is classified as a Network Function because it represents a critical functional entity within the 3GPP's 5G architecture, focusing on radio access and connectivity. Its design principles and interfaces are defined to ensure efficient and logical separation of functions, aligning with the broader goals of the 5G system for enhanced performance and flexibility.
section_title: Annex E (informative): Change history 4 General principles
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