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자를 통해 일반 5G 이동통신 시스템에서 구분된 독. 립 5G 네트워크가 지원된다. 3GPP 복하기 위해 5G RAN 구조를 CU DU 및 Remote. RU(Radio Unit) 등으로 구성하고 ...
TS 138 401 - V15.2.0 - 5G; NG-RAN; Architecture description (3GPP
control plane e.g. gNB-CU or gNB-CU-CP. UL PDCP configuration (i.e. how the UE uses the UL at the assisting node) is indicated via X2-C (for EN-DC)
개방형 5G 프론트홀 기술 동향
하위 계층 분할 옵션 6은 MAC과 PHY 사이의. 분할로 PHY 및 RF가 lls-DU에 위치하고
New-Transport-Network-Architectures-for-5G-RAN.pdf
The primary new interface is the F1 interface between DU and CU This are expected to be interoperable across vendors. Standardization of a further lower-layer
5G (NSA) HFR HFR
2019. 8. 26. (5G 서비스). S1/N3. Private 5G. National IP Backbone (IP/MPLS). 5G 인빌딩 중계기. 5G vertical (B2B). 5G 셀사이트. 5G CU. CPRI. eCPRI. eCPRI.
huawei-5g-security-white-paper-4th.pdf
CU/DU split deployment mode 3GPP defines physical security isolation between 5G gNodeBs and the core network. Specifically
5G 오픈랜 (Open RAN) 기술
2023. 6. 26. ... CU-. CP O-CU-UP and O-DU etc.) O-Cloud. UE. •. Near-RT RIC와 Non-RT RIC 간의 인터페이스. •. Policy Management
TS 138 401 - V15.3.0 - 5G; NG-RAN; Architecture description (3GPP
The source gNB-DU responds the gNB-CU with an UE Context Modification Response message. 8. The MeNB and the UE perform RRC Reconfiguration procedure. 9. The
TS 138 401 - V16.5.0 - 5G; NG-RAN; Architecture description (3GPP
control plane e.g. gNB-CU or gNB-CU-CP. UL PDCP configuration (i.e. how the UE uses the UL at the assisting node) is indicated via X2-C (for EN-DC)
5G RAN CU - DU Network Architecture Transport Options and
12 Apr 2019 Readers should not design products based on this document. Page 3. Page 2 (35). 5G RAN CU - DU Network Architecture Transport Options ...
TS 138 401 - V15.2.0 - 5G; NG-RAN; Architecture description (3GPP
5G. ETSI. 650 Route des Lucioles. F-06921 Sophia Antipolis Cedex - FRANCE Overall architecture for separation of gNB-CU-CP and gNB-CU-UP .
New-Transport-Network-Architectures-for-5G-RAN.pdf
control plane (CU-CP) both of which connect to the DU over F1-U and F1-C interfaces re- spectively. This new 5G RAN architecture is described in 3GPP TS
huawei-5g-security-white-paper-4th.pdf
3.1- 5G Security Architecture Inherits 4G Security Architecture In 3GPP standards the CU is responsible for processing 3GPP.
TS 138 460 - V15.0.0 - 5G; NG-RAN; E1 general aspects and
5G. ETSI. 650 Route des Lucioles. F-06921 Sophia Antipolis Cedex - FRANCE The E1 interface provides means for interconnecting a gNB-CU-CP and a ...
191107(Ver2_One)_Samsung Virtualized Radio Access Network
1 CU/DU Split Architecture. gNB is split into CU and DU for the scalability and DU offloading. In order to overcome an explosion in traffic usage 5G
5G RAN Deployment (A) - Casablanca
Deployment of the hybrid 5G Radio Network (PNFs & VNFs). • Complete PNF Support 5G-DU. 5G-CU(-CP/-UP). Some of these functions might be virtualized.
5G/IMT2020 Transport Requirements
27 Jan 2018 (CU) and distributed unit (DU) with Middlehaul as the CU-DU connection ... CU. MEC. 5G CN. Fronthaul transport node. Midhaul transport.
How to build high performance 5G networks with vRAN and O-RAN?
17 Feb 2021 CU: Central unit; DU: Distributed unit; MAC: Medium access control; PDCP: Packet data convergence protocol; PHY: Physical layer; ...
Xena Networks
The Odin-5G-4S-6P-CU is a 6-port test module for testing 5GE at Layers 2-3. It can also be used for 2.5GE 1GE and 100Mbit testing
5G Page 1 (35) 5G RAN CU - DU Network Architecture, Transport Options and Dimensioning, Version 1.0, 12 April 2019
5G RAN CU - DU network architecture, transport
options and dimensioning by NGMN AllianceVersion: 1.0
Date: 12-April-2019
Document Type: Final Deliverable (approved)
Confidentiality Class: P - Public
Project: RAN functional split and x-haul
Editor / Submitter: Richard MacKenzie (BT)
Contributors: Javan Erfanian (Bell Canada); Richard MacKenzie, Neil Parkin, Andy Sutton, Dave Townend, Peter Willis (BT); Jinri Huang (China Mobile); Mark Grayson (Cisco); Josef Roese, Dimitris Siomos, Wolfgang Stoermer (Deutsche Telekom); Kang Wang, Yu Yang (Huawei); Nader Zein (NEC); Philippe Sehier (Nokia); Philippe Chanclou, Cyril Delétré, Charles Hartmann, Steve Jones (Orange); Giwan Choi (SK Telecom); Brett Christian (Sprint); Marc Kneppers (Telus); Jovan Golic (TIM); John Kay (USCellular); Jian Yang, Yuanbin Zhang (ZTE)
Approved by / Date: NGMN Board, 12th April 2019
© 2019 Next Generation Mobile Networks e. V. All rights reserved. No part of this document may be reproduced or
transmitted in any form or by any means without prior written permission from NGMN e. V.The information contained in this document represents the current view held by NGMN on the issues discussed as
of merchantability, non-infringement, or fitness for any particular purpose. All liability (including liability for
infringement of any property rights) relating to the use of information in this document is disclaimed. No license,
express or implied, to any intellectual property rights are granted herein. This document is distributed for
informational purposes only and is subject to change without notice. Readers should not design products based on
this document. Page 2 (35) 5G RAN CU - DU Network Architecture, Transport Options and Dimensioning,Version 1.0, 12 April 2019
Abstract
The 5G RAN architecture allows for a range of deployment options, supporting a range of 5G services. There are multiple options on functional split (how the RAN can be disaggregated into distributed and centralised components), which offer different trade-offs. As the industry progresses, we are starting to understand more details about these trade-offs. This document aims to provide latest updates on the functional split options that might be considered for 5G, and provide insight into how these splits might be deployed The 5G RAN has two main functional splits options: high layer split (HLS) and low layer split (LLS). HLS is the more mature solution and we provide recent updates from industry activities, describe examples for transport dimensioning, and also address security considerations. LLS is developing fast with specifications now published. We provide an overview of recent industry activities on LLS, and examples of transport dimensioning which show significantly improved performance in comparison to compressed CPRI. Page 3 (35) 5G RAN CU - DU Network Architecture, Transport Options and Dimensioning,Version 1.0, 12 April 2019
Contents
1 Introduction ................................................................................................................................... 4
1.1 Motivation ............................................................................................................................. 4
1.2 Split options .......................................................................................................................... 5
2 Transport options .......................................................................................................................... 6
2.1 Dark Fibre ............................................................................................................................ 6
2.2 Passive WDM ...................................................................................................................... 7
2.3 Active transparent WDM ...................................................................................................... 8
2.4 Ethernet ................................................................................................................................ 8
2.4.1 Ethernet Over Dark Fibre ................................................................................................. 8
2.4.2 Ethernet Services ............................................................................................................. 9
2.4.3 FlexE and G.mtn .............................................................................................................. 9
2.5 Optical Transport Network ................................................................................................. 10
2.6 Microwave and mm-wave .................................................................................................. 11
2.7 GPON, XGPON, XGSPON, NGPON2 and beyond ......................................................... 14
2.8 Free Space Optics ............................................................................................................. 15
3 High Layer Split .......................................................................................................................... 16
3.1 Industry Updates ................................................................................................................ 16
3.1.1 3GPP .............................................................................................................................. 16
3.1.2 O-RAN Alliance .............................................................................................................. 16
3.2 Dimensioning Transport Network ...................................................................................... 17
3.2.1 Capacity based analysis ................................................................................................ 17
3.3 Security .............................................................................................................................. 18
3.3.1 Threats and needs ......................................................................................................... 18
3.3.2 Solutions and options ..................................................................................................... 20
4 Low Layer Split ........................................................................................................................... 22
4.1 Industry updates ................................................................................................................ 22
4.1.1 CPRI Cooperation .......................................................................................................... 22
4.1.2 IEEE 1914 ...................................................................................................................... 22
4.1.3 IEEE 802.1CM ............................................................................................................... 23
4.1.4 Small Cell Forum ............................................................................................................ 23
4.1.5 Telecommunication Technology Association of Korea (TTA) ....................................... 23
4.1.6 Telecom Infra Project ..................................................................................................... 24
4.1.7 xRAN Alliance/O-RAN Alliance ...................................................................................... 24
4.2 Dimensioning - Capacity-based analysis .......................................................................... 30
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