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Beijing Government Shared TETRA Network
-- The Lagest TETRA Network in Asia
Ding Rui
Vice President
Beijing Just Top NetCom.
18th, May,2005
Background-Why Shared network
• The Existing analogue system can’t meet requirements any more
• 9 separated analogue trunking networks ,outdated technologies, not
compatible and being connected
• different government agencies can't efficiently communicate with other
in the big events or in emergency situation
• overlap investment with very low frequency efficiency
• the need of Olympic 2008 need up-to-date and shared PMR systems
• Beijing government committed to setup a digital PMR system in the bid
for the host of Olympics 2008
• The Ministry of Informatization Industry’s official document asked
800MHz frequencies used in existing private analogue networks needed
to be returned before 31st , Dec,2005
Police
Fire
Ambulance
…
Other agencies
Background: Why TETRA?
•Two alternative technologies were competing in China: TETRA and
IDEN
• Why TETRA?
• the only digital PMR technology based on open global standard
• Rich dispatching functionalities designed for authority
communication
• Fast call setup
• Security features
• Disaster capacity
• Redundancy on all levels
The Targets of the Project
The Phase 1
System Capacity ：
50k subscribers
Implementation schedule：
trial use by end of 2003
mass use in 2004
coverage：
urban area
county central area
Communication probability：
over 90%
The Phase II
System capacity：
150k-200k subscribers
Schedule：
implemnt in 2005
completed in 2007
coverage：
almost all the area of BJ
other Olympic cities
Communication probability:
over 95%
The Milestones of the Project
the Mayor’s round table meeting decided the model of the shared network
July,2002
Dec,2002
the operator company, Beijing JustTop NetCom registered.
Mar,2003
the contract signed with Nokia
Sep,2003
the network is in trial operation already, covering city areas
Mar,2004
The Government Agencies start to join the network
June,2004
The phase I network completed
Sep,2004
Oct,2004
Sep,2005
Beijing Police started to join the network
The opening Ceremony in Great Hall of the People
All Police offices will be in the network
The operation model
•
•
The new model in China PMR market:
– “Operator owned network, Government Purchase services”
– Decided by the Mayor’s round table meeting in Beijing
Beijing Just Top Netcom, was established for network operation, and
was granted a first digital trunking license in mainland China
12%
Beijing
Communication
Corp.
6%
State Ow ned
Investment
Company
82%
Huaxun Group
• BeiJing Government Radio Network Administration
Center(BJNAC) ,under Beijing Municipal office of Informatization, was
established for operational management.
•
BJNAC has signed service agreement with Just Top NetCom
Network
Supplier
(Nokia)
Supply
contract
Operator
(Just Top)
ServiceGovernment
contract (BJNAC)
Current Status of the Beijing Network
• The scale of the network
– 2 DXTip
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– 174 TBS
– 50000 subscriber capacity
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key counties and the main
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highways
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– Covering Beijing city area ,
• 8000 subscribers now
• 30000 subscribers by 2005
The network Coverage
Indoor Coverage for key buildings
1. TETRA base station + repeaters
Example: State Opera House:
Two floors in
underground
201section
Entrance
Parking area
Two floor in
underground
5-floor
aboveground
Two Floors in
underground
Implementation Plan
1-floor aboveground
202Section－Main area
203Section
（Music Hall、Opera House）
2. Share indoor coverage solution with PHS system
Mobile Operation Center for Events and Emergency
• Mobile Operation Center(MOC) is
for emergency situation or big events
to provide extra capacity
•Satellite link has been well tested
between MOC and TETRA switchDXTip
•Mobile Operation Center(MOC) now
consist of three parts:
• Transportable Base station
• Satellite transmission system
• Power Supply
• The Integrated MOC will be
available in this summer
Government Agenices in the Beijing TETRA
Network
• Current Customer Segments
– Police
– City administration
– Ambulance services
– Law Enforcement
– Water Conservancy
– Disease Control
• Customer Segments by 2005
–
–
–
–
–
Traffic Police
National Security
Fire
Judicial
Customs
3 Levels network structure
Government
Organizations
虚拟专网
VPNn
DWSm
…
VPN2
VPN1
DWSm
DWSm
Dispatcher
Workstation
Network
SuperWorkstion
Physical
Network
TBS
DXTip
Technical management
Users on the field
Fire
Police Health
Operational
management
Technical
management
Nokia as infra supplier
• Being reponsible by Just Top Netcom.
• Daily technical management of
– TETRA network (DXT, TBS, DWS),
repeaters
– Transmission, antennas
• Network management (fault, performance,
config etc)
• Technical Helpdesk for government
organisations
• Service level agreements between operator
and Beijing Government
Operational&Tactical management
Users on the field
Fire
Police Health
Operational
management
Technical
management
Nokia as infra supplier
• Handled by Beijing Municipal Office of
Informatization
• Steering/co-ordination/’big-picture’ for
– common radio- and network
resource planning
– Definition of virtual private
networks
– Numbering planning (frame level)
– Organisation to organisation crosscommunication method planning
• Steering Government Organization to
join the network
• application implementation and steering
• Cooridnate between the operator and the
Government agencies
End user organisations
Users on the field
Fire
Police Health
Operational
management
Technical
management
Nokia as infra supplier
etc.
• Government Oranizations work in VPN
• Can have full control of own
communication
• Management of own radio- and Ws-users
• Control of own applications
• Numbering planning inside own frame
• Steers and influences operational
management layer
Applications support and Data Services
in the Network
•
•
•
•
•
•
Network wide Secured Data Services
SDS
– Two way messaging
Status service
– Own number range for organisations and common values
IP packet data
– Very fast set up time
Sophisticated Open Interfaces for Applications
Increased Service Interaction with Selected
Alternate/Simultaneous Voice and Data
– Interoperability co-ordination
ApplicaAPI
Beijing Government Shared
TETRA Network
Voice + Data
API
Application
Beijing Government Applications Development
• Beijing Government sponsors and manages the application
development based on the TETRA network
• Several Applications development Projects are going on
• Police-Vehicle/Person Automatic Location System
• Police Mobile Data System
• Traffic Management (POS) Data transmission System
• End to End Encryption
• Computer-Aided Dispatcher workstation
• Customer Care System
• The User organizations and Local companies actively involved in the
projects
The projects proceed very smoothly and application tests have
been done with TETRA network
Locationing
• Locationing applications are very important for PSS users in Beijing
• The Beijing TETRA Network support 3 types of locationing:
– GPS based accurate locationing
• mobile station direct connect to GPS receiver
• New TETRA handportable integrated with GPS receiver
– Network based locationing
• supported by existing TETRA Terminals
– TETRA base station based locationing
-- No expecial support needed in terminal
Intelligent AVL/APL system for Beijing Police
• Sends compressed data over air interface to
minimized air interface load
• Does not send a new message before the
location is changed more than the preset value.
• Congest control is applied
• Differential GPS technology are used, the
locationing accuracy is 2-5meters
Data
collection
Database
TCS
SDS
Beijing Government
Shared TETRA Network
Router
Router
GIS server
TCP/IP
LAN
Information
Mangement
Police Mobile Data Access Application
Database
server
Intranet
Intranet
WAP
server
WAP
server
The Beijing
TETRA Network
Direct Information enquiry in the field
office databases:
- person registers
- missing persons info
- wanted persons
- car register info
- stolen cars info
- Traffic Regulation
Violation record
the Unified radio platform for Emergency Response
Systems
Beijing Government Shared TETRA Network
Beijing Government Emergency
Response Center
110 center
119 center
120 center
The network in big events
• The Beijing government shared radio network has played very
important role in big events in Beijing
–
–
–
–
–
–
Emergency handling after “Heavy Rain “ in July,2004
National Day celebration in Oct,2004
Beijing International Relay Marathon in Oct,2004
Beijing Spring International Marathon in Feb,2005
“Two Congress” in March,2005
“ 2005 Fortune Forum ” in May, 2005
FORTUNE
For Olympic 2008
• Beijing will host the world's biggest sporting event - the Olympic
Games.
• Beijing Just Top Netcom, which is owned by Beijing Olympic
Partner,China NetCom, is gearing up for Phase II of the TETRA
network project
2008 Olympic Plan

Network plan for Olympic 2008 is part of Phase II plan

The Phase II will start from the early 2005

Coverage expansion
•Coverage improvement in Beijing，and Mainly consider stadiums
coverage and some Key building indoor coverage
沈阳
•Coverage expansion to other Olympic Cities 秦皇岛
北京
•
天津
青岛
Capacity expansion
•the network capacity will expanded to 150k-200k subscribers
上海
• And extra carrier capacity are needed expecially in the stadium areas and
other hot spot
Applications：Public Security and safety, Game organizations,
transportations, etc

Summary
• The lastest TETRA network in Asia and the first government shared
TETRA network, is now operated by Beijing Just Top Netcom.
• With very fast roll out, the phase I of Beijing Government Shared
Network has completed in one year and the network is now shared by
over 8000 government users from police, city administration , Ambulance
services and other authorities
• Managed by Beijing government, the applications development projects
has proceeded very well and tests have been done successfully.
• The network is becoming the Unified radio platform for Beijing
Emergency Response Systems
• Network plan for Olympic 2008 is part of Just Top’s Phase II plan ,which
will expand the network extensively both in coverage and capacity.
THANK YOU !
[email protected]
Thank you