Current Status of WINDS (Wideband Internetworking Engineering Test and Demonstration Satellite)

1. APAN#23 Manila (January, 2007) Current Status of WINDS (Wideband Internetworking Engineering Test and Demonstration Satellite) Toshio Higuchi January, 2007 Japan Aerospace Exploration Agency (JAXA)

2. Objectives of WINDS program WINDS was established based upon “e-Japan program” of Japanese government in order to contribute a digital-divide free comfortable communication society by complementary utilization of ground based and satellite based communication network which has the following advantage: Wide Coverage, Broader Accessibility and Survivability against natural disaster JAXA has been developing WINDS collaborating with National Institute of Information and Communication Technology (NICT). JAXA: Total Network System Satellite System, Multi-Beam Antenna, Multi-Port Amplifier, Active Phased Array Antenna Ground System:Network Management Center, Regenerative Ground Terminals (USAT, HDR-VSAT) Satellite Tracking and Control System NICT: Onboard ATM Baseband Switching Router Bent-pipe Ground Terminals (LET, SDR-VSAT)

3. Objectives of WINDS program • 1. Establishment of ultra-high-speed fixed satellite communications technologies • High-Speed communication rate • Realization of ultra-high-data rate communication. • 155 Mbps for home use (small terminal with 0.45m diam. class antenna ) • 1.2Gbps for business use (large station with 5m diam. class antenna ) • Wide coverage • Ultra-high-data rate communication in a wide area of Asia /Pacific region • Establishment of total system for high-speed satellite based communication network which realizes “flexible” user assignment. • 2. Verification of ultra-high-data rate satellite based communications network Verification of management of the ultra-high-data rate satellite based communication network and promotion of experiments.

4. Features of WINDS (1) High speed data communication with small terminals by high EIRP with Ka-band multi-beam antenna and 8 parallel TWTA’s WINDSConventional Satellite Antenna Diameter of Ground Terminal Tx & Rx 1.2Gbps Tx & Rx 155Mbps Rx 155Mbps Tx 1.5Mbps 5m 1.2m 2.4m 0.45m 0.75m

5. Features of WINDS (2) Efficient Utilization of Satellite Resource by Onboard Switching Router. WINDSConventional Satellite AB AB 1 2 3 1 2 3 A A B B C C ビームA XPNDR BB BB ビームB CB ビームC Onboard Switching Router A Deletion of empty cells Prioritize packets in case of congestion B c

6. Features of WINDS (3) Flexible power assignment by Ka-band high power Multi-Port Amplifier(MPA) and Multi-Beam Antenna (MBA) Effective power distribution depending upon requirements of compensation of rain attenuation and utilization demands Required power for clear sky Required power for rainy area Effective RFpower distribution TX power TX power :fixed : adjustable Rainy area Clear sky area Rainy area Clear sky area Using MPA Conventional Satellite WINDS

7. WINDS

8. External View of WINDS

9. APAA (Active Phased Array Antenna) 290mm 650mm 470mm Active Phased Array Antenna (APAA) can hop its beams to required points 2msec interval in order to cover the wide area. 540mm Rx APAA Tx APAA

10. Antenna Beam Coverage

11. MBA Spot Beam Area (Manila Beam)

12. 端末機 ODU/IDU 端末機 ODU/IDU WINDS Network 【WINDS Satellite】 【Ground System】 Ka Band 155Mbps USB CMD/TLM 1.5M/6Mbps 155Mbps 【USAT】 【Tracking & Control System】 【Beacon Station】 ～622Mbps 155Mbps ～1.2Gbps 【HDR-VSAT】 1.5M/6Mbps 【SDR-VSAT】 ※ 【LET】 ※ A B S 【USAT】 STAD SOPS SIMS SPOC INIT ﾜｰｸｽﾃｰｼｮﾝ 【Network Management Center】 ※：by NICT

13. Ground Terminals vs Data Rate Bent-pipe ~622Mbps×2 1.2 Gbps U/L WINDS D/L Bent-pipe ~622Mbps LET＊>5mφ LET＊>5mφ SDR-VSAT＊2.4mφ SDR-VSAT＊2.4mφ ABS＊ DEM/ ATMS/ MOD 1.5~155Mbps 155Mbps HDR-VSAT 1.2mφ HDR-VSAT 1.2mφ 155Mbps 1.5 - 6Mbps USAT 45cmφ USAT 45cmφ ※：byNICT

14. WINDS Ground Station

15. Mission Configuration

16. 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 x 3 for 155M) 155Mbps : Regenerate ATM Link (51M x 3 for 155M) Bent Pipe Link ATM Switching Mode

17. USAT MBA Japan USAT/VSAT VSAT LAT MBA Japan RX SW MTX TX SW MTX MPA Tohoku Kanto Kyusyu Kanto 51Mbps x 3 Seoul ATM (& DDEM, MOD) 155Mbps MBA Oversea ・・・ MBA Oversea Manila 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 x 3 for 155M) 155Mbps : Regenerate ATM Link (51M x 3 for 155M) Bent Pipe Link Multicast Mode

18. 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 MBAOversea ATM :ATM Switch DDEM:Digital Demodulator MOD :modulator TX APAA RX APAA 1.5Mbps(Max 14 link), 6Mbps, 24Mbps, 51Mbps : Regenerate ATM Link (51M x 3 for 155M) 155Mbps : Regenerate ATM Link (51M x 3 for 155M) Bent Pipe Link Bent-pipe Mode

19. FY2001: Pre-project start FY2003: Phase-B(Basic Design) FY2004: Phase-C(Detailed Design) FY2006: Phase-D(Assemly,Integuration&Testing) Now: Final Integration of the Flight Model is going on at the industries’ facility. A series of performance and environmental testing will start at JAXA’s Tsukuba Space Center next year. Launch: FY2007 by H-IIA launch vehicle Current Status FY: Japanese fiscal year (April-March)

20. Terrestrial Test System Development USAT (45cmΦclass) VSAT (1.2mΦclass) Okinawa beacon Terminal Designed based on RR and ITU-R recommendations such as S.524-8 “Maximum permissible levels of off-axis e.i.r.p. density S.726-1 “Maximum permissible level of spurious emissions from VSATs” S.729 “Control and monitoring function of VSATs” SM.1541-1 “Unwanted emissions in the out-of-band domain”

21. Indoor ODU-IDU Outdoor Private Connection Cable HUB ODU IDU 1000Base-T Cable USER PC Interface of WINDS User terminals

22. IX ISP Potential Application of WINDS Back Bone Patch Access Patch In case of disaster： Image of stricken area Information to suffers Back up for Back bone in case of contingency Temporary link for special events Digital Divide Free Multicast High speed Internet service with small terminals E-learning among multi points Broad Band Internet Contents distribution

23. (1) Pilot Experiments In order to firmly facilitate the in-orbit experiments of WINS, pilot experiments such as data storage and transmission experiments, e-learning experiments etc. using a commercial communication satellite have been conducted aiming at, - verification of the experiment environment, procedure - promotion of WINDS utilization (2) Basic Experiments JAXA and NICT are making plans of basic experiments for the engineering evaluation of WINDS network system and newly developed technology. (3) Application Experiments Ministry of Internal Affairs and Communications will make an announcement of opportunity for WINDS application experiments. JAXA and NICT will support the ministry to facilitate the experiments by providing technical support and communication capability of WINDS. Preparation for WINDS Experiments

24. ＷＩＮＤＳ Asia Institute of Technology (Bangkok) Tokyo Campus Tsukuba University Malaysia Multimedia University (Malaysia) Image of Tokyo Campus (Lecturer) Materials Image of Tsukuba University (Images of class room, text, etc.) Chat system Screen Image e-Learning (Example of Mesh-type network)

25. Current System WINDS ATM Request Link allocation Data Request Link allocation Data Control Broadcast Type Star type Partial-Mesh Type Full-Mesh Type One way Bidirectional Full participation Pilot Experiments e-Learning System

26. JAXA、AIT、ADRC Capacity Building Disaster Authority Earth Observation Capacity building for Disaster management Disaster Monitoring by MODIS, ALOS Grasp the status Disaster Information Platform Existing Information Extraction Sharing Digital Asia（Web ＧＩＳ） JAXA, AIT, Keio Univ. Data Understanding of the disaster JAXA, ADRC JAXA, MODIS Earth Stations Distribution of ALOS images through internet Typhoon Alert Volcano Support Activity Status Warning Accident at sea Earthquake Forest fire Flood Affected people Marine pollution Sentinel Asia Concept

27. WINDS Transportable Terminals Container Type Portable Type

28. Gathering information by wearable camera WINDS Disaster-stricken Area Headquarters Portable Terminal Images from the site Portable WINDS Terminal (Disaster-stricken Area) Trace of cameraman

29. Concept of Disaster Management using Space Technology in Asia Pacific region Very large mobile communication satellite Ultra high-speed communication satellite Earth observation satellites Positioning Satellites Disaster monitoring Data collection Information delivering to personal terminals Information center Ground observation network Residents in disaster areas Providing services directly to personal terminals in disaster areas

30. Milestones for WINDS Experiments Year 2005 2006 2007 2008 - Pilot Experiment Launch RFP Basic Experiment WINDS Application Experiment Request for proposal concerning Application Experiments using WINDS to be announced by Ministry of Internal Affairs, and Communications (MIC) Practical Use

31. Call for Proposals Call for Proposals concerning to the WINDS applications experiments is underway. • MIC Press Release: November 27, 2006 • http://www.soumu.go.jp/joho tsusin/eng/Releases/Telecommunications/ • news061127 1.html • Conditions: • Participants may use the transponder for the satellite free of charge. • Equipment for the ground station shall, in principle, be prepared by the participants. Participants may request to use (borrow) the ground station that the satellite development agencies plan to install. However, it may not be possible to agree to all requests due to limited availability. • All expenses incurred in connection with implementation of the experiments shall be borne by the participants. • Application form shall be submitted to MIC from February 1st to March 30th 2007.