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The STS National
Network
presented by
Sorin Vasilca
Deputy Technical Director
Content
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Legal Framework
Network Layers
ICT Services & Apps
112 System Architecture
Thursday, May 25, 2017
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Legal Framework
• Law 92/1996, 76/1993,
GO34/2008
• Core Activities: ICT services
to Romanian authorities
• Portfolio of Services: fixed,
nomadic and mobile
Voice/Data/Video & Security
Services
Thursday, May 25, 2017
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Customers:
Ministry of Foreign Affairs
Ministry of Public Finance
Ministry of Administration and
Interior
Ministry of Public Healyh
Ministry of Labor, Family
& Social Protection
Ministry of Transportations and
Infrastructure
Ministry of Justice
Ministry of Agriculture, Forest &
Rural Development
Ministry of Culture
Ministry of Communications &
Information Society
National Bank of Romania
Ministry of Educations,
Research & Inovations
The Romanian
Parliament
Ministry of Economy &
Commerce
Ministry of Environment
The Presidential
Administration
Ministry of Regional
Development
The Romanian
Government
National Agencies
Ministry of Defence
Guard & Protection Service
Romanian NSA
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STS Network Layers
• Core Layer
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Optical Fiber
OA, WDM & SDH
Switching: ATM 15K
Traffic Capacity: 2.5 Gbps
• Aggregation Layer
– Optical Fiber & STM1
Microwaves
– Switching: ATM 7K
– Traffic Capacity: 155 Mbps
Thursday, May 25, 2017
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STS Network Layers
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STS Network Layers
• Acces Layer
• Cables
– Optical Fiber
– Copper
• Radio
– P-P PDH & ETH
– P-MP LMDS & WiMAX
• Routers & L3/L2 Switches
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STS Network Layers
LMDS:
WiMAX:
 544 Base Stations
1.243 Subscribers
 1.300 Base Stations
 2.286 Subscribers
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ICT Services & Applications
• Fixed
– Voice – TDM & IP
PBX
– Data – Intranet,
Internet
– Videoconference &
IPTv
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ICT Services & Applications
• Nomadic
– Voice, Data, Video over
VSAT
• Mobile
– Voice & Narrow Band
Data over Tetra Network
– Broadband Data over
WiMAX
– GSM APN
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STS Wimax Network Service Area
FIXED TERMINAL
MOBILE TETRMINAL
Thursday, May 25, 2017
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STS Tetra Network
• Tetra
– 55.000 radios
– Coverage 70% HH, 90% M
– GoS 0.5%
• Services
– Voce Group/Selective/Emergency Calls
– Data ARL, WAP, still video
Single/Multi-Slot PD
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STS Tetra Network Service Area
MOBILE TERMINAL
HANDHELD TETRMINAL
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112 System
• 41 PSAP
• > 160 Dispatch Centers
• Police & Gendarmery
• Medical Emergency
Services
• GIES
• 18 mil calls / 2011
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112 System Architecture
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112 System Architecture
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112 System Architecture
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112 PSAP Interface
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112 Dispatcher Interface
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112 Heat Map Analysis
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112 Multilevel Redundancy
• Equipment
• Hot-Standby Modules – PS, Processors, Interfaces
• Network
• Fault Detection & Automatic routing on alternate path
• PSAP & Dispatcher Services
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Primary – Voice & Data Services
Secondary – Voice Only
Contingency – Failover in the neighboring site
Bucharest Backup Center
• SS7, Localization & GIS in 2 active sites
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112 Related IS & Apps
• Search & Rescue System
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112 Related IS & Apps
• RT ECG
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112 Related IS & Apps
• Telemedicine
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112 Related IS & Apps
• Earthquake Early Warning
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Q&A
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