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					Addressable Radios for Emergency Alert
  Early Warning: Challenges, Options & Solutions

               S.Rangarajan and Mala Rao
          WorldSpace Satellite Radio,

          Making    Communities Disaster Resilient
                     11 December 2007                    0

                     GK3 CONFERENCE
                   Global System Requirements:
                      Early Warning Delivery
   To be addressed by country, group, tier and also the current location of the receiver

   To be delivered with a latency of less than 10 seconds once the message is sent out

   To automatically trigger a siren/alarm even if the receiver is not under use

   The receiver should display text and also automatically switch to audio information
    in a local language

   Should cater to diverse requirements/infrastructure ranging all the way from a
    sophisticated weather office, down to a fisherman out at sea

   Should go beyond conventional modes of communication and
    supplement/complement other technologies

   Should survive even under most hazardous conditions & power failures

   Should be re-used for the daily requirements of the community (entertainment,
    agriculture, health, training etc)

   Should be economical even when there is a scattered population

   Should adopt the Common Alert Protocol (CAP)- International standards for all
    hazards, all media
WorldSpace Satellite Coverage

                 In Service

    In Service

     Applications of WorldSpace Satellite System

                               Data Multicasting

                               File Broadcast Services
         Audio                 •Provides for the distribution of files
•Direct delivery of multiple   to all recipients of a CUG
channels of Pre recorded/
Live Audio to compact          Data stream transmission
                               Provides the distribution of data
                               streams to all recipients of a CUG.
                               E.g. Stock Markets or News Streams

                               Combined Live Audio &
                               Slide Show (CLASS)
                               Synchronous, live instructor lead

                               Distribution of Emergency
                               Alert Messages
                               Selectively addressable, secure,
                               reliable and instantaneous
                           All Hazard Warning via
                            WorldSpace Satellite
                                            Event Sensors

                      Radio or Land lines

                                                                                      To AREA Receivers

                    Warning Centers

                                                            Satellite Coverage Area
CAP formatting,
Audio in Multiple

 WorldSpace AREA Solution

   •Existing Space & Ground segment.
   •Extensive coverage
   •Small, portable, affordable receive equipment.
   •Works even when the terrestrial broadcast
   infrastructure may get knocked off by the
   •Alert in time and in local languages.
   •Reach beyond conventional modes of

Ideal for Real Disaster Management on a large scale   5
          AREA Solution: Features
•Alert signal generated by Authorized agency, as per CAP (Common Alert
Protocol) format
•Signal uploaded by a secure web interface to WorldSpace uplink server
•Inserted as a message into WS channel, addressed by group or country or
•XML output for delivery to other media.
•Interface for audio-capture (local language).
•Insertion of audio on WorldSpace channel.
•Command to remotely switch the audio channel.
•Specially designed WS radio (AREA) all the time looking for an alert message
•AREA connects to an external box via USB to provide:
                       More extensive display
                       Operate a relay to trigger a siren when the alert arrives
                       Interface with a GPS receiver for geo-referencing of the alert.

     Normal Radio transforms to Disaster Radio as needed.
    AREA is activated whether the radio is being used or not.
   States of AREA receiver

Power On       Tune Channel                 Cancel Alert

            Playing Audio                   Display Text
                                                           Playing EW Audio

Power Off

                              Receiving Alert                 Sound Siren

             Portfolio of Services
•Text only: Trigger the alarm and display the CAP parameters as text on
the AREA receiver

•Text plus Switch to one of WS channels: Trigger the alarm and display
the CAP parameters as text on the AREA receiver; Switch to an existing
BCID like CNN or a data channel like RANET

•Text plus shared Disaster Audio channel: Trigger the alarm and display
the CAP parameters as text on the AREA receiver; Switch AREA to play the
Disaster Audio channel in which the Alert provider can insert audio
announcements relating to the Disaster (including in local languages)

•Text plus Dedicated Audio channel: The alert provider leases from WS a
dedicated 16 kbps audio channel the content of which is maintained by the
alert provider 24X7, with a CUG encryption for this audio. At the onset of
alert the designated AREA receivers trigger the alarm, display the CAP
parameters as text and switch to playing the dedicated audio channel.

AREA-B                      AREA-A

AREA-C                      AREA-M
         Alert Generation

                  to suit
         different needs
•AREA-A is a configuration that connects
 to the USB port of a computer.
•Supports all audio and data services
 of WorldSpace.
•Onset of alert is indicated by a
 computer- generated siren.
•Displays all the alert parameters (mandatory &
•Can support audio/data download even during
  the alert state.
•Can support text-to-speech for the alert

Ideal for Airports, Harbors, NGO’s & First Responders
•AREA-C is ideal for community deployment.
•Immunity to loss of mains power
  at the time of the alert.
•7 AH battery can be recharged
  by mains or Solar.
•External siren controlled by a relay
  that is closed by the WorldSpace signal.
•Can be connected to Public Address system.
•Additional box displays all the alert parameters.
•Radio plays the remotely selected audio channel
  that carries authentic information.

      Ideal for remote locations, beaches,
     Community Centers & Worship places
•AREA-M is meant for mobile users.
•Through the external box
  a GPS receiver is connected.
•The box displays the current location of the receiver
  before the onset of alert.
•The alert is triggered only if the current location
  of the receiver is within the alert zone defined by the sender.
•Can be powered by the vehicle power supply
  and it does not use the external battery and siren.
•Ideal for the travelers on land and sea.

        Ideal for trucks, ships, boats & vessels
              Global Acceptance
   Indonesia has 3 nodal agencies (BMG, KomInfo & Ristek)
    and all 3 have agreed to work jointly to include AREA in
    Banten pilot (Dec 26, 2007) to comply with Federal Disaster
    Law (passed in May 07)

   Asia Disaster Preparedness Center (ADPC), an Inter-
    governmental agency with 22 member countries has
    requested partnership with us to promote AREA in the
    member countries

   Sarvodaya, a leading NGO, has drafted an MOU with the
    government of Sri Lanka (DMC) that includes sharing
    Sarvodaya’s AREA solution to the government for Early

   NDWC, Thailand has accepted the technical capabilities of
    AREA and included it in a competitive tender

   World Meteorological Organization (WMO) is testing
    AREA solution in parts of Africa                              13
Key Successful Demonstrations
   NDWC, Thailand
   IMD, India
   DMC, Sri Lanka
   Pacific Corp, Thailand
   Ristek, Indonesia
   KomInfo, Indonesia
   Meteorological Dept, Malaysia

   Demos and presentations given to
     • 50+ government representatives
     • 20+ Non govt entities (UN, ADPC, etc)
     • 100+ Private companies

   Request for pilots/bids received from India (+local Govts),
    ITU on behalf of Pacific Island Countries, Thailand,
    Indonesia (+ Local Govts), Sri Lanka, Maldives,
    Bangladesh, multiple agents and Private Companies.       14
                  Advantage: AREA
   Scalability
     •   Coverage already exists and so easy to roll out services.
     •   Being a broadcast service, cost per site decreases as the network grows.
     •   Possibility of expanding to other geographical areas.
     •   Possibility of expanding to multiple sectors, like education or health.
   Sustainability
     •   Does not require technical expertise to install, operate or maintain.
     •   Can be configured even in places with poor or no Electric mains supply.
     •   Would survive adverse environmental conditions.
     •   Independent of terrestrial, telecom and Internet availability.
   Affordability
     • Lower initial cost than any other satellite-based system.
     • Lower recurrent costs.
     • Cost can be spread across multiple projects as the system can be reused.

    A single system for multiple Alert providing Agencies
       like Police, Local governments, Healthcare etc.
                   In Summary
   The challenge of Emergency Alert is
    • Distribution over vast geographical areas
    • Multiplicity of Disaster events, Multiple
    • Need for coordination among multiple
      departments & agencies
   WorldSpace AREA offers
    •   Selective Addressability & Controllability
    •   Immediate wake-up by siren & buzz
    •   Text and Audio messages
    •   A common system for multiple alert providers
    •   Field-tested & Ready-to-go                  16
      The added advantage ….
   The audio capability AREA Receiver
    • Can be effectively used by the community
      during “non-alert” times for broadcasting
      information on health, education, agricultural
      practices etc.
    • Provide training sessions in handling
    • Provide access to entertainment

    Thus effectively integrating the device as a part of the
                   community’s daily lives

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