masyarakat telematika indonesia indonesian ict society...
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MASYARAKAT TELEMATIKA INDONESIAIndonesian ICT SocietyCIO Forum June2013
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What is a satellite Why Satellite Communication Satellite vs terrestrial and others Choosing Communication Platform
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Satelit is man made object launched into space orbiting the earth
Arthur Clarke’s vision of satellite , 120 degree apart, circling the earth as global communication medium (1945)
Relay in Space
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First Russian satellite Sputnik 1 launched in 4 Oct 1957
• Communication satellite is a Relay in Space
First American satellite Explorer1 (31 Jan 1958)
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A satellite communications system is an efficient way to link multiple communication sites together within a large area of coverage.
It consists of two segments :– Ground Segment (terminal, earth station)
Responsible for delivering user communications to the space segment
All satellite terminals within the coverage can communicate
– Space Segment ( satellite ) The communication satellite is a
microwave repeater in the sky Transponder receives signals at a
given frequency (uplink), amplifies it and retransmits them at corresponding frequency (downlink)
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Indonesia is early adopter of satellite communication (Palapa A - 1976)
Indonesia has adopted an ‘Open Sky’ Policy since early years
Foreign satellite can serve Indonesian market – Landing Right requires Reciprocity– Coordinated satellite – No interference to other
Indonesian telecommunication systems6
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Indonesian Satellite
Telkom 1 (108) Telkom 2 (118) Palapa C2 (150,5) Palapa D (113) PSN V (146) Indostar 2 (107,7)
Foreign Satellite in Indonesia
Asiasat 4 (!22) Asiasat 2/5 (100.5) Asiasat 3S (105.5) ABS-1 (75) AMC 23 (172) Apstar 2R (76,5) Apstar V (138) Apstar VI (134) Chinastar 1 (87,5) Sinosat 1 (110,5) Inmarsat4-F1
(143,5) Intelsat 10 (68,5) Intelsat 12 (45)7
Intelsat 2 (169) Intelsat 57 (57) Intelsat 8 (166) Intelsat 902 (66) Intelsat 906 (64) IPStar 1 (119,5) JSAT 3 (128) JSAT 5A (132) Measat 3/3A
(91,5) NSS5 (177) NSS 6 (95) PAS 4 (72) ST-1 (88)
Telstar 10 (76,5) Thuraya 3 (98,5)
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Geostationary Communication Geostationary Communication Satellites in Orbit TodaySatellites in Orbit Today
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Indonesian Satellites have enjoyed spectrum priority over terrestrial– Ext-C Band vs Broadband WiMAX– S-Band vs Broadband WiMAX and LTE
Satellite is viewed as Strategic for Indonesia’s archipelago– Broadband is better via fiber but takes time and
resources to link 13,997 island
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Point to Point
Microwave Radio Trunking WiMAX WiFi Fiber Optic Wired (copper, coax) Satellite
Point to Multipoint
WiMAX Radio Trunking UMTS LTE WiFi Satellite
10Which one is best ?
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Wireless vs wired
All wireless requires specrum allocation
Spectrum is limited resource
Time to deploy Life time of service Geographical terrain
– Indoor vs outdoor
Voice, Video or Data transmission
Satellite vs Fiber Optic
Satellite is best for broadcast/multicast / 1way
Wide coverage Expensive to launch
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FO is getting cheaper to lay
Best for throughput Point to point only
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WiMAX vs LTE
Similar technology but different in origins
Still requires spectrum Eccosystem is important Time to market
WiFi vs 3G
Licensed vs Unlicensed Indoor vs outdoor Widely available /
inexpensive Non QOS IEE802.11 to IEE802.22 CDMA, GSM & all 3GPP
are all voice derived technology
Super WiFi13
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Regulation (license, standard , TKDN) Product availabillity (market mass scale) Innovation & new technology
– Hybrid Fiber + Coax or FTTH– Satellite + 3G– Pico Cell
Budget
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MASYARAKAT TELEMATIKA INDONESIAIndonesian ICT’s Society