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Jul. 2019No.1Vol.21
NTT DOCOMO
Special Articles on Smart OPS for Further Efficiency and Advancement of Network Operations● Overview of Smart OPS
● Automated Facility Construction Work Achieved through the Implementation of Fulfillment OSS
● Achieving Advanced Maintenance Works with AI
Technology Reports ( Special Articles )
DOCOMO Open House 2018 —5G Innovation and Collaboration—
Event Reports
● Toward the Core Network in the 5G Era
DOCOMO Today
Special Articles on Standardization Trends towardOpen and Intelligent Radio Access Networks● O-RAN Alliance Standardization Trends
● Overview of O-RAN Fronthaul Specifications
Standardization ( Special Articles )
● Radio Wave Visualizer for 5G Area Optimization —Real-time Radio Wave Visualizer for 3GPP—
Technology ReportsNTT
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NTT DOCOMO Technical Journal Vol. 21 No. 1 (Jul. 2019) ― 2 ―
Vol.21 No.1 Jul. 2019
[ Contents ]
DOCOMO Today Toward the Core Network in the 5G Era Hiroyuki Oto ━1
Event Reports DOCOMO Open House 2018 ―5G Innovation and Collaboration― ━04
Technology Reports (Special Articles) Special Articles on Smart OPS for Further Efficiency
and Advancement of Network Operations Overview of Smart OPS ━18
Automated Facility Construction Work Achieved through the Implementation of Fulfillment OSS ━21
Achieving Advanced Maintenance Works with AI ━29
Sign Detection Service Quality Monitoring AI
NFV Automation Fulfillment
AI Automation Network Operation
IoT AI 5G
（P.4）
（P.21）
（P.29）
After application of network virtualization
technology
• Construction is simpler with generic hardware prepared in advance.
• Services can be started just by installing communications software and testing.
Hardware
Virtualization layer
Software
Virtualized management
system
Hardware
Virtualization layerVirtualized
management system
Software installation and settings
Testing
Preparation for service commencement
Service commencement
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NTT DOCOMO Technical Journal Vol. 21 No. 1 (Jul. 2019) ― 3 ―
Standardization (Special Articles)
Special Articles on Standardization Trends toward Open and Intelligent Radio Access Networks
O-RAN Alliance Standardization Trends ━38
Overview of O-RAN Fronthaul Specifications ━46
Technology Reports Radio Wave Visualizer for 5G Area Optimization ―Real-time Radio Wave Visualizer for 3GPP― ━60
Topics Initiatives for Generic NW Equipment Sharing on Virtualization Platforms ━70
Generic NW Equipment Sharing Generic NW Equipment Virtualization Network Virtualization
Channel Sounding Radio Wave Visualizer NR
Open Fronthaul RAN
O-RAN Open RAN
Enhancement (AI)
Automated operations (Fulfillment)
Virtualization
Cloud environment
Conventional OPS
Cloud environment
Design and settings automation
Conventional OPS
Cloud environment
Design and settings automation
Conventional OPSSmart OPS
Data analysisPhase 3
Phase 2
Phase 1
Technology Reports (Special Articles) Special Articles on Smart OPS for Further Efficiency and Advancement of Network Operations (P.18) Overview of Smart OPS
Vendor A
Vendor B
Parameter: X
X = aaa X = aaa
Goal of WG5
Connectivity and performance maintained
（P.38）
5G NR base station
Rec
eptio
n le
vel
Hig
hLo
w
HMD
Reflected signal
Direct signal
20
（P.60）
Virtual resources (resource pool)
Communication system 1
Communication system 2
IP network
After virtualization
Flexible response enabled by adding resources to handle traffic increases
VM
Generic NW equipment
VM
Generic NW equipment
Handling traffic increase = Adding VMs (does not require physical work)
（P.70）
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NTT DOCOMO Technical Journal Vol.21 No.1 Editorship and Publication NTT DOCOMO Technical Journal is a quarterly journal edited by NTT DOCOMO, INC. and published by The Telecommunications Association. Editorial Correspondence NTT DOCOMO Technical Journal Editorial Office R&D Strategy Department NTT DOCOMO, INC. Sanno Park Tower 2-11-1, Nagata-cho, Chiyoda-ku, Tokyo 100-6150, Japan e-mail: [email protected] Copyright Ⓒ 2019 NTT DOCOMO, INC. Copies of articles may be reproduced only for personal, noncommercial use, provided that the name NTT DOCOMO Technical Journal, the name(s) of the author(s), the title and date of the article appear in the copies.
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