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IMT-2000 Operation System and Advanced Multimedia Services Infrastructure. Kouzou Sakae Operation Development Department NTT DoCoMo, Inc. E-mail: sakae@nttdocomo.co.jp. Mobile Communication Environment. 3G: W-CDMA. Multimedia and high volume data communication. 2G: Digital.

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imt 2000 operation system and advanced multimedia services infrastructure

IMT-2000 Operation System and Advanced Multimedia Services Infrastructure

Kouzou Sakae

Operation Development Department

NTT DoCoMo, Inc.

E-mail: sakae@nttdocomo.co.jp

mobile communication environment
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

requirements for operation support system oss
Requirements for Operation Support System (OSS)
  • 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

PDC NW

OSS

Coordination&

Integration

( in the future )

Coordination

&

Shift smoothly

IMT-2000 NW

OSS

Radio Access NW

Transmission NW

Core NW

network monitoring concept
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

network control concept
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.

overview of network control monitoring
Overview of Network Control & Monitoring

Network

NMSCP

SW

SW

RNC

Notes

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

Network Analysis

Identify the cause of network fault

(cause of Call Loss, Low Usage,

Congestion)

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

overview of network configuration management
Overview of Network Configuration management

Quality Analysis Terminal

Design Terminals

Service Front Terminal

Service

Management

QoS

Monitor

CN

Planning

RAN

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

Transmission

NEM

RAN

NEM

CN

NEM

SCP

NEM

NEM: NE Management

Transmission

SCP

SW

Network Element

SW

RNC

RNC

BS

BS

oss architecture common platform
OSS Architecture – Common Platform

OSS with open and generic interface by introducing CORBA

Network Management/Service Management Functional Blocks

Client (OPE Terminal)

Common

GUI

(Client)

Network

Management

Functionn

Network

Management

Function1

Network

Management

Function2

Easy functional extension

and effective development

by using CORBA interface

CORBA Interface

Event

Service

Naming

Service

Element Management Functional Blocks

Element

Management

Functionn

Element

Management

Function1

Element

Management

Function2

Easy integration of OPE

and Server through

CORBA interface

CORBAインタフェースにより

OPE ~サーバ間の連携が

容易に実現

NE

NE

NE

requirements for mobile multimedia services
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
mobile multimedia service concept on 3g
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

conclusion
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)