IMT-2000 Operation System and Advanced Multimedia

IMT-2000 Operation System and
Advanced Multimedia Services
Infrastructure
Kouzou Sakae
Operation Development Department
NTT DoCoMo, Inc.
E-mail: [email protected]
1
Mobile Communication Environment
3G: W-CDMA
Multimedia and high volume
data communication
2G: Digital
Voice, data, images,
videos etc.
Voice & data
(e.g. i-mode)
1G: Analog
Voice
2
Requirements for Operation Support
System (OSS)
OSS
PDC NW
IMT-2000 NW
Radio Access NW
OSS
Transmission NW
Coordination
Coordination &
Integration
&
( in
the future
)
Shift
smoothly
Core NW
• easy recognition of the network status and its characteristics
• sufficient network control capability for improving service
quality
• configuration management by data flow through between
design system and OSS
• new common platform for large-scale network
3
Network Monitoring Concept
Total Network Status Monitoring RAN to CN
Sapporo
Osaka
monitoring based
on Traffic
CN Quality monitoring (End-to-end Call
Loss from Calling LS to Called LS)
RAN Quality monitoring
(Impacted Area)
ＬＳ
Osaka
ＬＳ
Sapporo
ＬＳ
Osaka
failure
Section Call loss/Connectivity
TS
LS
LS
Sapporo
Call restriction
RAN monitoring
Congestion
CN monitoring
Network Fault monitoring: Mapping from individual fault and
performance information to the network configuration
Failure
monitoring based on
NE performance and
failure
BS
RNC
Switch
Transmission
4
Network Control Concept
Traffic Loss Rate
Critical
Major
Minor
[Auto Congestion Detection]
Based on congestion info,
recognize congestion and NE to
be restricted.
Network Control Server
Restriction
Control
Restriction Allotment
High
Medium
Low
[Auto Restriction Control]
Based on traffic data, calculate
available call volume and execute
optimized restriction allotment.
Sapporo
Osaka
Congestion detected
Restriction
Sapporo
LS
Osaka
LS
TS
TS
Restriction
LS
Restriction
Congestion
Call localized due to disaster, event etc.
5
Overview of Network Control &
Monitoring
Network
NMSCP
BS
Notes
SW
RNC
Transmission
SW
Individual NE
Traffic Alert
End-to-end Call Loss Rate
Section Call Loss Rate,
Actual Usage Rate
NE Congestion
Major Alert, Network Status
Network Operation Flow
NE Operation Flow
Monitor of Network Quality
BS
SW
XC
NE major alert
NE status
NE Monitor
Network Monitor
Monitor of NE failure
OPE
Backyard
OPE
Network
Monitor
Identify the cause of network fault
Network Analysis
(cause of Call Loss, Low Usage,
OPE
Congestion)
Network
NE Analysis Identify the cause
of NE failure
OPE
Backyard
Monitor
Recovery of QoS
→ Network Control
(Bypass, Restriction)
Action
OPE
Network
Monitor
Scope of Network Control
Action
OPE
Recovery action
for NE failure
Backyard
Verify the action
of NE Monitor
operator
Scope of Facility Maintenance
6
Overview of Network Configuration
management
Quality
Analysis
Terminal
Service Front
Terminal
QoS
Monitor
Service
Management
Traffic DWH
Data Flow Through
OPE Network
Monitor & Control
Network
Management
Element
Management
OPE
Backyard
Network
Monitor
Major Alert
Aggregation
RAN
NEM
NEM: NE Management
Design Terminals
RAN
Planning
CN
Planning
Process
Management
RAN
Design
CN
Design
Transmission
Design
Network
Control
Path
Management
NE File
Station Data
Management
Call Processing
Alert Aggregation
CN
NEM
SCP
NEM
OSS
Configuration
Management
Transmission
NEM
SCP
Network Element
BS
RNC
SW
Transmission
SW
RNC
BS
7
OSS Architecture – Common Platform
OSS with open and generic interface by introducing CORBA
Network Management/Service Management Functional Blocks
Client (OPE Terminal)
Network
Management
Function 1
Common
GUI
(Client)
Naming
Service
Network
Management
Function 2
CORBA Interface
Network
Management
Easy functional extension
Function n
and effective development
by using CORBA interface
Event
Service
Element Management Functional Blocks
ＣＯＲＢＡインタフェースにより
Easy
integration of OPE
ＯＰＥ
～サーバ間の連携が
and Server
through
CORBA
interface
容易に実現
Element
Management
Function 1
Element
Management
Function 2
Element
Management
Function n
NE
NE
NE
8
9
Requirements for Mobile Multimedia
Services
• Rapid supply of various multimedia
services to customers
• Broadband data communication
• Internet interactive solutions to xSP
• Open and unified interface between carrier
and xSP networks
• Security management
10
Mobile Multimedia Service Concept on 3G
Unified &
Open Interface
SO system
Billing system
Advanced IN
Mobile Multimedia Service
Deployment Infrastructure
Internet
Interactive
Functionalities
SMS
User
Controlled
Service
Service Management
HLR
xSP
SCP
RAN
CN
Gateway
Mobile
User
Security
mgmt.
Internet
Business
Partners
End-to-End Services
11
Conclusion
• PDC & IMT-2000 OSSs
– Monitor, control and configure RAN, CN and transmission
network by data flow through
– Coordinate with each other
– Integration of PDC and IMT-2000 OSSs (FFS)
• Advanced Infrastructure for Mobile Multi-media
Services on 3G
–
–
–
–
Provide common internet interactive platform
Provide unified and open interface to xSP
Secure user authentication
Provide user controlled services, location services,
flexible accounting functions, integrity with
standardization (FFS)
12

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