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WINDS ： Wideband InterNetworking engineering test and Demonstration Satellite

WINDS ： Wideband InterNetworking engineering test and Demonstration Satellite. August 27, 2003 16 th APAN Meeting in Busan. Wideband Internet Satellite - WINDS. Shinji Ogawa Satellite Mission Research Center National Space Development Agency of Japan.

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WINDS ： Wideband InterNetworking engineering test and Demonstration Satellite

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  1. WINDS：Wideband InterNetworking engineering test and Demonstration Satellite August 27, 2003 16th APAN Meeting in Busan Wideband Internet Satellite - WINDS Shinji Ogawa Satellite Mission Research Center National Space Development Agency of Japan

  2. Wideband Internetworking Engineering Test and Demonstration Satellite (WINDS) has following goals; ●Ultra High Speed Satellite Communication 155Mbps downlink for home use with USAT(45cmφ) 1.2Gbps duplex link for company use 　●　Wide Area Coverage for Asia-Pacific Area Multi Beam Antenna/ Multi Port Amplifier Regional Multicasting Communication high Active Phased Array Antenna Data Rate Present Communication Satellite Wide-area Communication low coverage wide narrow Goal of WINDS program

  3. Ka-band Satellite with High Speed Transmission Capability Gbps order • Bent pipe and Onboard ATM Switching • Multi-Beam Antennas(MBA) and Active Phased Array Antennas(APAA) with high speed scanning capability Outline of WINDS System Outline of WINDS Launch Schedule 2005 (FY) by H2A Launcher MBA forJapanese islands MBA for Southeast Asia Mission Life 5 years Location 143°E Dimension 3 x 2 x 8m Width 23m MASS 4,900 kg ( lift off ) 2,450 kg (dry weight ) Tx & Rx APAA Electric Power 6,500W / EOL, Summer Solstice Attitude Control Zero-momentum 3-Axis Control Frequency U/L : 28 GHz BW : 1.1GHx D/L : 18 GHz Satellite G/T > 21 dB/K ( MBA ) > 11 dB/K ( APAA) Satellite EIRP ≒ 70 dBW ( MBA ) ≒ 55 dBW ( APAA) Onboard Processing ATM Baseband SW

  4. Mission Communication Links

  5. IF SWMatrix&D/C IF SWMatrix&U/C Rx MBA Antenna for South-East Asia MultiPortAmp Tx MBA Antenna for South-East Asia Ring Switch ABS(ATM Baseband Switching subsystem) Rx MBA Antennafor Japan and vicinity Tx MBA Antennafor Japan and vicinity Rx APAA Tx APAA SW-CONT NITR BUS I/F Tx/Rx Mission Payload Configuration

  6. Ground terminals/Data Communication Rate Tx WＩNDS Satellite Rx Bent-pipe ～１．２Ｇbps Bent-pipe ～６２２Mbps Hub station (５m) Hub station (５m) SDR-VSAT (2.4m) SDR-VSAT (2.4m) ATM cell relay １５５ Mbps １．５ ～ ６．１Mbps HDR-VSAT (1.2m) HDR-VSAT (1.2m) USAT USAT

  7. Ground Antenna Diameter (Tentative) ATM Switching(155Mbps) Bent Pipe (622Mbps) 2.4 m MBA(Japan) 0.45 m (up: 1.5-6Mbps) 1.2 m MBA (Asia) 1.2 m 2.4 m 2.4 m (1beam) 5 m (2beams) APAA (Honolulu)(1beam /2 beams) 7m (1beam) 15 m (2beams) 5.5 m (1beam) 11 m (2beams) 2.4 m (1beam) 3.8 m (2beams) APAA (Sydney)(1beam /2 beams) Link Availability:Domestic 99.5%, Overseas 98%

  8. MBA for Japan マルチ・ビーム・アンテナ 国内向け Hong Kong Beijing マルチ・ビーム・アンテナ Bangkok MBA for South-East Asia Manila 東南アジア向け Seoul Bangalore Shanghai Kuala Lumpur Singapore Jakarta Coverage of Multi-Beam Antenna (MBA)

  9. Beam Scanning by Active Phase Array Antenna (APAA) 287mm 649mm 468mm 539mm Any place to Any place ; High Speed Beam Scanning Rx APAA Tx APAA High Speed Scanning Beam Thermal RadiationPanel

  10. Communication Experiment Mode Throughput Bent Piped Duplex Link by Fixed or Scanning Beam 13

  11. Communication Link Charactristic ATM Switching(155Mbps) Bent Pipe (622Mbps) < 10-10 (after error correction) < 10-10 (after error correction) BER Error Correction Reedsolomon(255,223) N/A for data (R-S for reference burst and signaling burst) Multi Connection MF-TDMA MF-TDMA Service Class N/A CBR, UBR N/A N/A QoS T.B.D. T.B.D. Signaling Protocol

  12. On-board ATM Switching ＡＴＭ SW ＤＤＥＭ MOD 1 2 3 1 2 3 ＤＤＥＭ MOD Bent-pipe ＤＤＥＭ MOD ＤＤＥＭ MOD • Multicasting by Cell copy • Preventing congestion by cell deletion • Generating TDMA reference burst Controller DDEM：Digital Demodulator MOD：Analog Modulator Conventional satellite AA AABA BX A A B B C C BA BX CB BX CB BX Onboard ATM A A B B ＷＩＮＤＳ c c

  13. ＜Example of Data Link：　Multicast＞ USAT MBA Japan USAT/VSAT VSAT LAT MBA Japan RX SW MTX TX SW MTX MPA Tohoku ・・・ Kanto Kyusyu Kanto 51Mbps×3 Seoul ATM (& DDEM, MOD) 155Mbps MBA Oversea ・・・ MBA Oversea ・・・ Manila Singapore Jakarta ATM：ATM Switch DDEM:Digital Demodulator MOD :modulator TX APAA RX APAA 1.5Mbps(Max 14 link)、6Mbps、24Mbps、51Mbps : Regenerate ATM Link （51M×3 for 155M） 155Mbps : Regenerate ATM Link （51M×3 for 155M） Bent Pipe Link

  14. ＜Example of Data Link：　ATM Switching＞ USAT MBA Japan USAT/VSAT VSAT LAT MBA Japan RX SW MTX TX SW MTX MPA Kanto ・・・ ・・・ Kinki Kyusyu 1.5Mbps ATM (& DDEM, MOD) Okinawa 155Mbps MBA Oversea ・・・ MBA Oversea ・・・ ATM：ATM Switch DDEM:Digital Demodulator MOD :modulator TX APAA RX APAA 1.5Mbps(Max 14 link)、6Mbps、24Mbps、51Mbps : Regenerate ATM Link （51M×3 for 155M） 155Mbps : Regenerate ATM Link （51M×3 for 155M） Bent Pipe Link

  15. ＜Example of Data Link：Bent Pipe＞ USAT MBA Japan USAT/VSAT VSAT LAT MBA Japan Kanto RX SW MTX TX SW MTX MPA 155Mbps Kanto ・・・ ・・・ Kinki ・・・ ・・・ Kinki 622Mbps Kyusyu 1.5Mbps Kyusyu ATM (& DDEM, MOD) 155Mbps MBA Oversea ・・・ ・・・ Manila Manila ・・・ MBA Oversea ATM：ATM Switch DDEM:Digital Demodulator MOD :modulator TX APAA RX APAA 1.5Mbps(Max 14 link)、6Mbps、24Mbps、51Mbps : Regenerate ATM Link （51M×3 for 155M） 155Mbps : Regenerate ATM Link （51M×3 for 155M） Bent Pipe Link

  16. WINDS Contents Distribution 155Ｍbps Contents Request Information/Contents Distributor Home Server Image of Satellite Multicasting Communications Experiment ●Direct Multicasting to mass family users ●Storing information in home server 　・local information 　・newspaper delivery 　・net broadcasting 　・electronic book or multimedia educational material 　・disaster information ●More reliable security through high-data-rate multicasting and IPv6

  17. Data Relay Test Satellite Earth Observation Satellites Real-time multicasting of several hundred mega bytes data WINDS Satellite Monitor Airplane Monitor Government Applications Monitor camera ・Real-time processor Autonomousbody Institute Ministries Landslide ・Database of disaster information Ground Monitor flood Urban disaster Forest Fire Monitor camera Tidal wave Red water Glacier Information collection from disaster area Providing disaster information Measures from small station Image of experiment in constructing information network for land management and disaster monitoring

  18. Collaboration-style distance education Established on mesh-type satellite network For regional conference, lecture, etc. Joint development of e-Learning material Human resource development for Instructional designers and IT engineers Preparation for WINDS applications ＷＩＮＤＳ University e-Learning in Asia WINDS (collaboration style) Conventional Satellite China Thailand Tsukuba (Japan) Lecture style Malaysia Advanced e-Learnig between universities Asia

  19. Image of experiment in overcoming digital divide ●Heavily-populated area　 → 100Mbps access based on rapidly-progressing communications environment like optical fiber ●Sparsely-populated area 　→　Less sophisticated than heavily-populated area ●Using satellite two-way broadband to overcome digital divide ●Multicast transmission of stream information and cash distribution WINDS Heavily-populated area constructed local network and weak mainline ISP CATV ISP ISP weak mainline and local network Isolated area

  20. instruction Image of tele-medicine experiment ETS-VIII WINDS Emergency Medical care Medical consultation

  21. Image of IT agriculture experiments WINDS Earth Observation Satellite Agriculture Research Center ASEAN Agriculture Research Organization Japanese Agriculture Research Organization Tele-control by Agricultural Robot

  22. Mileston for WINDS Experiment FY 2003 2004 2005 2006- Pilot Experiment WINDS Application Experiment WINDS Request for proposal concerning Application Experiments using WINDS to be announced by Ministry of Public Management, Home Affairs, Posts and Telecommunications (MPHPT) around October 2003. http://www.soumu.go.jp/english/index.html For any inquiry, please contact; sat_mission@nasda.go.jp or ogawa.shinji@nasda.go.jp Practical Use

  23. NASDA to be reborn as “JAXA” National Aerospace Laboratory of Japan (NAL) Institute of Space and Astronautical Science (ISAS) National Space Development Agency of Japan (NASDA) To be established on Oct. 1st

  24. END

  25. WINDS System Configuration WINDS 【USAT】 (Multicast User) 155Mbps 1.5Mbps ODU/IDU 端末機 【Beacon Station】 155Mbps ～1.2Gbps 155Mbps 【Hub Station】 ～600Mbps 【HDR-VSAT】 1.5M/6Mbps ODU/IDU 端末機 ※ A B S 【USAT】 【SDR-VSAT】 ﾜｰｸｽﾃｰｼｮﾝ 【LAT】 Network Control Hospital, Educational Field

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