INMARSAT

PHASE 1PHASE 1 :NECESSITY & INTRODUCTION :NECESSITY & INTRODUCTION

PHASE 2PHASE 2 : SYSTEM , SERVICES : SYSTEM , SERVICES& DIALING PROCEDURE& DIALING PROCEDURE

PHASE 3PHASE 3 : TYPES OF INMARSAT & : TYPES OF INMARSAT & USES OF INMARSATUSES OF INMARSAT

ABOUT INMARSAT

Communication of 3Cs: - Convenient - Connective - Competitive

Established in 1979; internally owned by a consortium of 80 member countries

Headquarters in LondonINMARSAT Group Holdings Ltd.International Mobile Satellite Organization (IMSO)

Initially, introduced for MARITIME comnInitially, introduced for MARITIME comnINMARSAT = International Maritime SatelliteINMARSAT = International Maritime SatelliteInternationally owned co-operative systemInternationally owned co-operative system Provides world wide mobile satellite communication Provides world wide mobile satellite communication for maritime, aeronautical and land mobile users.for maritime, aeronautical and land mobile users.Introduced on 15th July 1979 but started functioning Introduced on 15th July 1979 but started functioning w.e.f. 1st February’ 1982.w.e.f. 1st February’ 1982.Headquarter in LONDON (Britain) Headquarter in LONDON (Britain) Has 84 nos member countries. India is also one of Has 84 nos member countries. India is also one of them.them.Presently has 11 Geo-stationary satellites and 40 Presently has 11 Geo-stationary satellites and 40 earth stations with respective links to National & earth stations with respective links to National & International PSTN system and mobile links.International PSTN system and mobile links.All the 11 satellites are positioned in such a way that All the 11 satellites are positioned in such a way that they can cover the three ocean regions.they can cover the three ocean regions.

4 nos out of the 11 4 nos out of the 11 satellites are owned by satellites are owned by INMARSAT organizationINMARSAT organizationThe remaining 7 satellites The remaining 7 satellites are hired from other are hired from other organization like organization like INTELSAT, COMSAT & INTELSAT, COMSAT & ESA.ESA.

OCEAN REGIONSOCEAN REGIONS

OCEAN REGION CODE

• IORIOR INDIAN OCEAN REGION 873 INDIAN OCEAN REGION 873

• POR PACIFIC OCEAN REGION 872POR PACIFIC OCEAN REGION 872

• AOR(E) ATLANTIC OCEAN REGION 871AOR(E) ATLANTIC OCEAN REGION 871

• AOR(W) ATLANTIC OCEAN REGION 874AOR(W) ATLANTIC OCEAN REGION 874

TELEPHONETELEPHONE DATADATA TELEXTELEXFAXFAX

PHASE 2 : SYSTEM & SERVICESPHASE 2 : SYSTEM & SERVICES

SESSESMESMES

CESCES

POR

AOR(E))

Frequencies :-

(L-Band)

Up Link 1.635-1.644 MHz

Down Link 1.535-1.5425 MHZ

NATIONAL & INTERNATIONAL NETWORKNATIONAL & INTERNATIONAL NETWORK

Frequencies :-

(C Band)

Up Link 5.925-6.425 MHz

Down Link 3.7-4.2 MHZ

INMARSAT SATELLITE COVERAGE

CALLING WITH INMARSAT

• Calling from an INMARSAT Terminal:Stage-1 – Set up communication ch. between your terminal & LESO in your locationStage-2 – Establish a communication ch. from LESO via the international telephone network …….. Then, Dial 00 + country code + subscriber no.• Calling to an INMARSAT Terminals: (Phone, Fax or Telex)Dial International dialling code + INMARSAT satellite code + INMARSAT mobile no.REGION SATELLITE CODE FOR

PHONE/FAX TELEXAOR-E 871 581POR 871 582IOR 873 583AOR-W 874 584

TELEX:Stage 1 – Set up communication channelStage 2 – Establish a communication ch.from the LESO via the international telex network

FREQUENCIESFREQUENCIES

BANDFREQ

PURPOSEUP LINK DOWN LINK

L- BAND i)1636.5-1644 MHZ

ii) 1645.5 – 1646.5 MHZ

1535 – 1542.5 MHZ

1544 – 1545 MHZ

Commercialpurposes only.

Only for distresspurposes.

C- BAND 5.925 – 6.425 GHZ 3.7 – 4.2 GHZ Commercial use.

L-BANDL-BAND: - Used for the links between Mobile INMARSAT subscriber’s Hand set and Geo-stationary satellite.

C-BANDC-BAND: - Used between Earth Station and Satellite.

PHASE 3 : TYPES OF INMARSATPHASE 3 : TYPES OF INMARSAT

INMARSAT-‘A’ SYSTEMINMARSAT-‘A’ SYSTEM

INMARSAT-‘B’ SYSTEMINMARSAT-‘B’ SYSTEM

INMARSAT-‘C’ SYSTEMINMARSAT-‘C’ SYSTEM

INMARSAT-‘M’ SYSTEMINMARSAT-‘M’ SYSTEM

INMARSAT-‘MINI-M’ SYSTEMINMARSAT-‘MINI-M’ SYSTEM

INMARSAT AT A GLANCEINMARSAT AT A GLANCE

NERA MINI ‘M’NERA MINI ‘C’

INMARSAT D+

C AND MINI C

NERA MINI ‘M’

INMARSAT-‘A’ SYSTEMINMARSAT-‘A’ SYSTEMIt has almost 8000 land based and 19,000 It has almost 8000 land based and 19,000 Maritime INMARSAT-‘A’ throughout the Maritime INMARSAT-‘A’ throughout the world.world.

Can provide satellite phone, telex, Data, Can provide satellite phone, telex, Data, Fax or Photo services.Fax or Photo services.

Multi-channel systems capable to handle Multi-channel systems capable to handle 2, 4, 6 voice channels simultaneously are 2, 4, 6 voice channels simultaneously are available on demand basis.available on demand basis.

High speed DATA transmissionHigh speed DATA transmission..

INMARSAT-‘B’ SYSTEMINMARSAT-‘B’ SYSTEM It is digital version of INMARSAT ‘A’ It is digital version of INMARSAT ‘A’ System.System.

Can provide high quality duplex Can provide high quality duplex voice, fax & data at 9.6 Kbps.voice, fax & data at 9.6 Kbps.

Terminals available are vehicle Terminals available are vehicle mounted (land mobile), briefcase mounted (land mobile), briefcase size (land portable) and maritime size (land portable) and maritime version.version.

INMARSAT ‘C’ SYSTEMINMARSAT ‘C’ SYSTEM

Advanced packet data communication Advanced packet data communication system.system.

Special distress alerting feature.Special distress alerting feature. Encryption facility.Encryption facility. Cost of terminal is Rs.4 Lacks appx.Cost of terminal is Rs.4 Lacks appx. Automatic transmission of distress signal to Automatic transmission of distress signal to

RCC (Rescue Co-ordination Centre) via LES RCC (Rescue Co-ordination Centre) via LES (land earth station). All RCC are connected (land earth station). All RCC are connected with their own INMARSAT shell Earth Station. with their own INMARSAT shell Earth Station. So, without loss of time any ship can reach So, without loss of time any ship can reach to the spot for rescue. to the spot for rescue.

NERA MINI ‘C’

INMARSAT ‘M’ SYSTEMINMARSAT ‘M’ SYSTEM

• Offers digital telephony (4.8 Kbps), group 3 Offers digital telephony (4.8 Kbps), group 3 Fax and duplex data 2.4 Kbps through a Fax and duplex data 2.4 Kbps through a compact, light weight satellite terminal. compact, light weight satellite terminal.

• Terminal may be vehicle, boat or ship Terminal may be vehicle, boat or ship mounted.mounted.

• Approx cost is Rs.6 Lacks.Approx cost is Rs.6 Lacks.• Brief case size terminal weight approx 8.5-13 Brief case size terminal weight approx 8.5-13

Kgs.Kgs. • Battery backup available.Battery backup available.• Indian Railways with BSNL collaboration has Indian Railways with BSNL collaboration has

recently introduced INMARSAT ‘M’ in recently introduced INMARSAT ‘M’ in selected RAJDHANI trains.selected RAJDHANI trains.

INMARSAT ‘MINI-M’ SYSTEMINMARSAT ‘MINI-M’ SYSTEM

Spot Beam Technology used in INMARSAT-3 generation.Spot Beam Technology used in INMARSAT-3 generation.Terminal is of 2 Kg and small brief case size.Terminal is of 2 Kg and small brief case size. Cost approx 2 lacks.Cost approx 2 lacks.Covers 90% of the earth surface. Covers 90% of the earth surface. Available in RAJDHANI trains and being extended to other Available in RAJDHANI trains and being extended to other trains. trains. NORWAY provides world phone.NORWAY provides world phone.BSF has acquired this world phone which is in use in J&K and BSF has acquired this world phone which is in use in J&K and in remote locations.in remote locations.Big relief to people constantly on the move due to compact Big relief to people constantly on the move due to compact terminal and small size similar to a note book.terminal and small size similar to a note book.

NERA MINI ‘M’

NERA MINI ‘M’

USESUSES

Provides all time all places (Sea, Earth Provides all time all places (Sea, Earth & Space) communication.& Space) communication.

Support for voice, data and fax.Support for voice, data and fax.

Useful during disaster/ distress to Useful during disaster/ distress to provide communication when provide communication when conventional communication gets conventional communication gets failed..failed..

Faster services for corporate sectors. Faster services for corporate sectors.

THANK YOU