Satellite

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Satellite Network Access Solutions for Rapid
Responses to Disaster Management

• Jan Kanchanalak WendtRegional Director,
  Asia-Pacific
• Intelsat
• United Nations Regional Workshop11 - 15 November
  2002
• Bangkok, Thailand

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Intelsat Overview

• Established in 1964
• Privatized in July 2001
• Capacity on 24 satellites with 3 additional
  launches
• Interconnects people in 200 countries and
  territories
• Expanded satellite terrestrial services
• 99.995 reliability

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Intelsat Fleet
October, 2002
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GXSSM Service Availability
9 AOR and IOR Satellites and Earth Stations
Connected Video Equipped - 4Q02
4 AOR Satellites and Earth Stations Connected
7 POR and AOR Satellites and Earth Stations
Connected
Teleport East Coast, U.S.
Teleport West Coast, U.S.
Teleport Germany
Teleport Asia
POP Frankfurt, GER IP Level 3
POP Los Angeles, CA IP Level 3
POP New York, NY IP UUNET
POP London, UK IP Level 3
POP Asia (TBD)
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Intelsat Satellite Services for Disaster Recovery
and Mitigation

• Hurricane Michelle, Bahamas, September 2002
• BaTelCo
• VSAT solution designed and implemented within
  hours
• Hub station in Nassau
• Voice, data and video quickly restored
• Duplex DS-3
• technical consultation and assistance and
  engineering support
• Restored service to critical infrastructure
  support services
• Minimized damages, financial losses and economic
  impact

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Utilizing Commercial Satellites for Disaster
Recovery Operations

• International organizations (e.g., UN) govt
  agencies
• Embassy networks / Military communications
• Disaster / emergency / crisis
• Cable restoration
• Back up links / diversity redundancy
• Videoconferencing training
• Video / data broadcasting
• Data collection / Weather monitoring
• Thin-route networking / remote rural
• Tele-medicine
• Distance learning applications / Internet to
  schools

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Disaster Management VSAT Network Solutions
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VSAT Networks Definition

• Very Small Aperture Terminal
• Intelligent satellite earth station
  

Frequency Converter Power Amplifier
LNA
Coaxial Cable
Demodulator
Base Band Controller
Network Interface
Modulator
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VSAT Networks Definition

• Several locations linked via satellite
• Number of locations
• 3 to thousands sites
• Satellite connectivity
• Same transponder configuration foreach
  sub-network
• Type of links
• Shared bandwidth pool

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Characteristics

• Frequency Band
• C-band vs. Ku-band
• Network Topology
• Star vs. Mesh
• Typical Dish Sizes
• C-band 1.8 - 2.4 m
• Ku-band 1.2 - 1.8 m
• Typical Amplifier Sizes
• C-band 2 - 10 W
• Ku-band 1 - 5 W

• Modulation Techniques
• BPSK, QPSK, MSK...
• Forward Error Correction
• 1/2 FEC, 3/4 FEC, and others
• Satellite Access Scheme
• FDMA, TDMA, CDMA, and combination
• Demand Assignment Method
• DAMA, PAMA

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Frequency

• Benefits / Drawbacks

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Star Topology

• Each site communicates with the hub
• Small configurations at the remote
• Small antennas (1.8 m, 2.4 m)
• Simple Indoor Units (IDUs)
• Limited amplifier power (1 to 5 W)
• Large configurations at the hub
• Large antennas (7.3 m and up)
• Complex baseband equipment
• NMS located at the hub
• Very large networks possible

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Mesh Topology

• Each site can communicate with any other Site
• No Hub required
• Larger configuration at the remote
• Larger antennas (2.4 m, 3.8 m)
• More complex Indoor Units (IDUs)
• Bigger amplifiers (5 to 20 W)
• NMS required (any one VSAT Terminal)
• Smaller number of sites than in Star networks

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CapEx vs. OpEx

• Capital expenditures
• Small dish
• Low terminal cost
• High amplifier cost
• Large dish
• High terminal cost
• Low amplifier cost

• Operational expenditures
• Small dish
• Large lease resources
• Large dish
• Low lease resources

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Benefits

• Low Terminal Cost
• Inexpensive indoor electronics
• Distance Insensitive
• Available everywhere there is satellite coverage
• Re-configurable
• Flexible
• Move the office location move the dish within
  coverage
• Fast and Easy
• Installation
• Commissioning
• Small, inexpensive, unmanned
• Operation
• Expansion

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Benefits

• Autonomous System
• Independent from PSTN
• Superior Quality
• High Reliability
• Transparent
• Network Protocols
• Signaling
• No last mile Problem
• Bandwidth Optimization è cost-effective solutions
• Asymmetric Configurations
• Internet Traffic

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Costs
Relative Cost per Node
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VSAT Network Architecture and Components
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Architecture Typical Configuration
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Components

• Indoor Unit (IDU)
• Hub Traffic Terminal
• Network Management System (NMS)
• Supervises and monitors the system
• Network Control Computer (NCC)
• Controls entire operation of the network
• Indoor Electronics
• VSAT Vendor-specific equipment

Outdoor Unit (ODU) Communications Equipment Hub
Antenna Larger Earth Station VSAT Traffic
Terminal Small remote dish
Indoor Unit (IDU) VSAT Traffic Terminal Indoor
Electronics VSAT Vendor-specific
equipment Interface to application-specific user
terminals
HUB Baseband
Host Computer
Information Center
NMS
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VSAT Networks Planning
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VSAT Decision Drivers
User Requirement
Implementation Cost
Technology
Maintenance Cost
Satellite Capacity
Competitive Solution
Timing
Performance
Implementation Plan
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Traffic Requirements

• What are the application requirements?
• Voice, data, video
• What is the number of sites comprised in the
  network?
• Where are these sites located? What are the
  satellite and connectivity requirements?
• How many users will there be per site?
• What is the network topology? Star or mesh?

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Traffic

• What are the protocol requirements?
• ATM, Frame Relay, IP, X.25, ISDN
• What are the signaling requirements for voice
  traffic? R2, SS7
• What is the quality requirements for voice?
• What is the maximum carrier requirement?
• Bandwidth Requirement, peak traffic requirements
• What is the link availability requirement?
• Blocking probability
• Equipment and link availability

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Equipment

• Is there any existing equipment? What are its
  characteristics?
• What are the frequency requirements?
• C-band, Ku-band
• What are the terminal requirements?
• Maximum Antenna size

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Service

• What is the service duration?
• Capital expenditures vs. Recurring costs
• What are the service maintenance requirements?
• Service plan
• Technical training

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Possible VSAT Equipment

• Your requirements will determine
• Network topology
• Traffic type and size
• Required interfaces
• Existing Equipment to take into consideration
• We can narrow down the number of possible
  VSAT equipment

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VSAT Planning Factors
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APR-2 at 110.5E
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IS-906 at 64E
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IS-802 at 174E
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Bringing Broadband toSupport U.N. Communications
Needs in Asia-Pacific
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Satellite Broadband Access Advantages for
Disaster Management

• Rapid deployment commissioning of satellite
  terminals in disaster hit areas
• Service commissioning and availability when
  terrestrial connections are severed
• Satellite terminal survivability and service
  continuity (Example hurricanes, earth quakes,
  floods)
• Advantages of Internet as communications medium
  in contrast with PSTN email, simultaneous
  global access, emergency messaging, etc.
• Intelsat broadband presence in key regions and
  GlobalConnexSM assets and resources

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Broadband access application support

• Broadband Internet and Intranet Access
• Access Internet sites and corporate web servers
• Unlimited access (in bandwidth)
• Web browsing
• Web applications
• Business-to-business applications
• e-mail
• e-commerce
• Internet experience and performance enhancement
  features
• Internet Page Accelerator
• TCP and HTTP acceleration
• Optional Applications (additional equipment and
  software licenses required)
• IP multicast streaming
• Corporate training
• Distance education/learning (e-learning)
• Voice over IP
• Web conferencing

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Meeting the Needs of Users and Service Providers
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Service delivery
Wholesale Service
Retail Branded Service, QoS, SLA Retail
Sales Turnkey Terminal ISP Service Value Added
Services Customer Care - Help Desk,
On-site Billing and Collection
Broadband Access Service Customer Terminal
Arrangement Managed Capacity Backbone Capacity
(Optional) Gateway Service NOC Service Help
Desk Marketing Support
Retail Service
SOHOs
SMEs
Institutions
Intelsat
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Service Assistance Technical Support
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Technical Consultancy

• New and existing users
• Need to establish services for
• International Long Distance
• International Voice and Data
• Internet Services
• Corporate Networks
• Video Services

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Technical Consultancy

• Consultancy may include
• Training on satellite applicationsand technology
• Advice on Intelsat services
• Advice on customer equipmentpurchase,
  installation and maintenance
• Transmission plan development and support
• Technical documentation
• Site support for commissioning service
• Network design and equipment configuration

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VSAT Solution Case Study

• Customer wishes to implement a Corporate Network
  Solution for voice and data services for
• Voice
• Data
• Fax
• Internet
• File transfer
• Video conferencing
• E-mail

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Step 1 Define Requirements

• Use of satellites for corporate networks
• Information on VSAT antennas
• Intelsat Sales Engineer review requirements and
  options available

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Step 2 Intelsat Proposal

• Network design
• Most cost-effective solution
• Proposal will provide information on both the
  space segment and Customer Premise Equipment (CPE)

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Step 3 Result

• Successful implementation of Intelsats Corporate
  Network Solution. Intelsat Sales Engineers
  available to assist throughout the process
• Services from the capital city reaching small
  towns
• Voice
• Data
• Fax
• Internet
• File transfer
• Video conferencing
• E-mail

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Intelsat Technology Seminars

• Intelsat conducts technical seminars around the
  world to help Customers keep up to date on
  current technologies
• Content is tailored to each region and includes
• VSAT Network Solutions
• Planning and Implementation ofInternational
  Digital Services
• VSAT Technology
• Lease Transmission Planning

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Intelsat solutions for Disaster Management

• Critical Support for Disaster Management
• Global and Asia-Pacific reach
• Powerful satellites in key orbital locations
• GlobalConnexSM Solutions (space terrestrial)
• Rapid Deployment
• Cost-effective VSAT solutions
• Broadband Access Service
• Nearly 40 years of experience
• Flexible scalable - 64 kbps to 155 Mbps
• 99.996 reliability

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