IMT2000 Operation System and Advanced Multimedia Services Infrastructure

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IMT-2000 Operation System and Advanced Multimedia
Services Infrastructure

• Kouzou Sakae
• Operation Development Department
• NTT DoCoMo, Inc.
• E-mail sakae_at_nttdocomo.co.jp

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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
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Requirements for Operation Support System (OSS)
PDC NW
OSS
Coordination Shift smoothly
Coordination Integration ( in the future )
IMT-2000 NW
OSS
Core NW
Radio Access NW
Transmission 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

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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
LS
Sapporo
Section Call loss/Connectivity
failure
Osaka
Sapporo
TS
LS
LS
Call restriction
RAN monitoring
CN monitoring
Congestion
Network Fault monitoring Mapping from individual
fault and performance information to the network
configuration
monitoring based on NE performance and failure
Failure
RNC
BS
Transmission
Switch
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Network Control Concept
Auto Congestion Detection Based on congestion
info, recognize congestion and NE to be
restricted.
Traffic Loss Rate
Critical
Network Control Server
Major
Minor
Restriction Control
Restriction Allotment
Auto Restriction Control Based on traffic data,
calculate available call volume and execute
optimized restriction allotment.
High
Medium
Low
Sapporo
Osaka
Congestion detected
Restriction
Sapporo
LS
Osaka
Restriction
LS
LS
TS
TS
Restriction
Congestion
Call localized due to disaster, event etc.
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Overview of Network Control Monitoring
Network
NMSCP
SW
SW
Notes
RNC
BS
Transmission
Individual NE
Traffic Alert
End-to-end Call Loss Rate Section Call Loss Rate,
Actual Usage Rate NE Congestion
SW
XC
BS
Major Alert, Network Status
NE major alert NE status
Network Operation Flow
NE Operation Flow
NE Monitor
Monitor of NE failure
Network Monitor
Monitor of Network Quality
OPE Network Monitor
OPE Backyard
Identify the cause of network fault (cause of
Call Loss, Low Usage, Congestion)
Network Analysis
NE Analysis
Identify the cause of NE failure
OPE Network Monitor
OPE Backyard
Action
Action
Recovery of QoS ? Network Control (Bypass,
Restriction)
Recovery action for NE failure
OPE Network Monitor
OPE Backyard
Verify the action of NE Monitor operator
Scope of Network Control
Scope of Facility Maintenance
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Overview of Network Configuration management
Design Terminals
Quality Analysis Terminal
Service Front Terminal
Service Management
QoS Monitor
RAN Planning
CN Planning
Process Management
Traffic DWH
RAN Design
CN Design
Transmission Design
Data Flow Through
OPE Network Monitor Control
Network Monitor
Network Control
Network Management
Path Management
NE File Station Data Management
OSS Configuration Management
OPE Backyard
Call Processing Alert Aggregation
Major Alert Aggregation
Element Management
RAN NEM
Transmission NEM
CN NEM
SCP NEM
NEM NE Management
Transmission
SCP
SW
Network Element
SW
RNC
RNC
BS
BS
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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
Network Management Function 2
Network Management Function n
Common GUI (Client)
Easy functional extension and effective
development by using CORBA interface
CORBA Interface
Event Service
Naming Service
Element Management Functional Blocks
Element Management Function n
Element Management Function 1
Element Management Function 2
CORBA?????????? OPE ???????? ?????
Easy integration of OPE and Server through CORBA
interface
NE
NE
NE
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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

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Mobile Multimedia Service Concept on 3G
Unified Open Interface
SO system
Mobile Multimedia Service Deployment
Infrastructure
Billing system
Advanced IN
Internet InteractiveFunctionalities
SMS
Service Management
User Controlled Service
xSP
HLR
SCP
Internet
Security mgmt.
RAN
CN
Gateway
Mobile User
Business Partners
End-to-End Services
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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)