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TS 38.300RAN2
5G New Radio —
NR and NG-RAN Overall Description – Stage 2

use "3GPP‑Page" to get the Word version
use "ETSI‑search" to get the PDF version
the ToC, based on the Word version, is reproduced for a better overview
V16.1.0 (Wzip)2020/03  133 p.
V15.9.0 (PDF)2020/03  102 p.

WI Acronym:  NR_newRAT-Core
Rapporteur:  Mr. SEBIRE, BenoistNokia Germany

The present document provides an overview and overall description of the NG-RAN and focuses on the radio interface protocol architecture of NR connected to 5GC (E-UTRA connected to 5GC is covered in the 36 series). Details of the radio interface protocols are specified in companion specifications of the 38 series.
3GPP 38.300 - NG-RAN Overall Architecture
An NG-RAN node is either:
  • a gNB, providing NR user plane and control plane protocol terminations towards the UE; or
  • an ng-eNB, providing E-UTRA user plane and control plane protocol terminations towards the UE.
The gNBs and ng-eNBs are interconnected with each other by means of the Xn interface. The gNBs and ng-eNBs are also connected by means of the NG interfaces to the 5GC, more specifically to the AMF (Access and Mobility Management Function) by means of the NG-C interface and to the UPF (User Plane Function) by means of the NG-U interface.

full Table of Contents for  TS 38.300  Word version:   16.0.0

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1  ScopeWord-p. 8
2  References
3  Abbreviations and DefinitionsWord-p. 9
4  Overall Architecture and Functional Split
5  Physical LayerUp
6  Layer 2Word-p. 25
7  RRCWord-p. 33
8  NG IdentitiesWord-p. 38
9  Mobility and State Transitions
9.1  Overview
9.2  Intra-NRWord-p. 40
9.3  Inter RATWord-p. 60
9.4  Roaming and Access Restrictions
10  SchedulingWord-p. 64
11  UE Power Saving
12  QoSWord-p. 68
13  Security
14  UE Capabilities
15  Self-Configuration and Self-Optimisation
16  Verticals SupportWord-p. 79
17  Interference Management [R16]
A  QoS Handling in RANWord-p. 88
B  Deployment ScenariosWord-p. 93
C  I-RNTI Reference ProfilesWord-p. 95
D  SPID ranges and mapping of SPID values to cell reselection and inter-RAT/inter frequency handover prioritiesWord-p. 96
E  NG-RAN Architecture for Radio Access Network Sharing with multiple cell ID broadcast (informative)Word-p. 97
F  Change historyUp

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