WINDS ： Wideband InterNetworking engineering test and Demonstration Satellite

WINDS : Wideband InterNetworking engineering test and Demonstration Satellite

WINDS： Wideband InterNetworking engineering test and Demonstration Satellite

Wideband Internet Satellite - WINDS

Shinji OgawaSatellite Mission Research Center

National Space Development Agency of Japan

August 27, 200316th APAN Meeting in Busan


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

Data Rate

coverage

Present CommunicationSatellite

Wide-area Communicati

on

Regional MulticastingCommunication

Multi Beam Antenna/Multi Port Amplifier

Active Phased Array

Antenna

wide

high

low

narrow

Goal of WINDS program


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

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

MBA forJapanese islands MBA for Southeast Asia

Tx & Rx APAA

Launch ScheduleLaunch Schedule

2005 (FY)by H2A Launcher 2005 (FY)by H2A Launcher

LocationLocation 143°E143°EDimensionDimension

3 x 2 x 8mWidth 23m3 x 2 x 8mWidth 23m

MASSMASS 4,900 kg ( lift off )2,450 kg (dry weight )4,900 kg ( lift off )2,450 kg (dry weight )

Electric PowerElectric Power

6,500W / EOL, Summer Solstice6,500W / EOL, Summer Solstice

Attitude ControlAttitude Control

Zero-momentum 3-Axis ControlZero-momentum 3-Axis Control

FrequencyFrequency

U/L : 28 GHz BW : 1.1GHxD/L : 18 GHz

U/L : 28 GHz BW : 1.1GHxD/L : 18 GHz

SatelliteG/TSatelliteG/T

> 21 dB/K ( MBA )> 11 dB/K ( APAA)> 21 dB/K ( MBA )> 11 dB/K ( APAA)

SatelliteEIRPSatelliteEIRP

≒ 70 dBW ( MBA )≒ 55 dBW ( APAA)≒ 70 dBW ( MBA )≒ 55 dBW ( APAA)

OnboardProcessing

OnboardProcessing

ATM Baseband SWATM Baseband SW

Outline of WINDS

MissionLifeMissionLife 5 years5 years


Data Relay ATM Switching Bent Pipe

Frequency U/L:27.5～ 28.6GHz　 D/L:17.7～ 18.8GHz

AntennaBeams

•Fixed Beams for Japan and 10 Asian cities•Spot Beam for any point

Data RateU/L: 1.5,6,24,51,155MbpsD/L: 155 Mbps

Max 1.2Gbps(622Mbps×2)

Mission Communication Links


Mission Payload Configuration

IF SWMatrix

&D/C

IF SWMatrix

&U/C

Rx APAA

ABS(ATM Baseband

Switching subsystem)

Tx APAA

SW-CONTNITR

Tx/RxBUS I/F

Tx MBA Antennafor

South-East Asia

Rx MBA Antennafor

Japan and vicinity

MultiPortAmp

Rin

g

Sw

itch

Rx MBA Antennafor

South-East Asia

Tx MBA Antennafor

Japan and vicinity


USAT

HDR-VSAT (1.2m)

SDR-VSAT (2.4m)

Hub station (５m)

ATMcell relay

１．５～

６．１ Mbps

１５５ Mbps

USAT

HDR-VSAT (1.2m)

SDR-VSAT (2.4m)

Hub station (５m)

Bent-pipe

～６２２ Mbps

Bent-pipe

～１．２Ｇ bps

　WＩ NDS Satellite　Tx Rx

Ground terminals/Data Communication Rate


Link Availability:Domestic 99.5%, Overseas 98%

APAA (Sydney)(1beam /2 beams)

APAA (Honolulu)(1beam /2 beams)

MBA (Asia)

0.45 m (up: 1.5-6Mbps)

1.2 mMBA

(Japan)

ATM Switching(155Mbps)

1.2 m

2.4 m (1beam) 5 m (2beams)

2.4 m (1beam) 3.8 m (2beams)

7m (1beam)

15 m (2beams)

5.5 m (1beam) 11 m (2beams)

2.4 m

2.4 m

Bent Pipe (622Mbps)

Ground Antenna Diameter (Tentative)


Coverage of Multi-Beam Antenna (MBA)

Seoul

Beijing

Shanghai

Hong Kong

Manila

Kuala Lumpur

Bangkok

Jakarta

Singapore

Bangalore

マルチ・ビーム・アンテナ国内向け

マルチ・ビーム・アンテナ東南アジア向け

MBA for Japan

MBA for South-East Asia


Any place to Any place ; High Speed Beam Scanning

Beam Scanning by Active Phase Array Antenna (APAA)

Rx APAATx APAA

Thermal RadiationPanel

High Speed Scanning Beam

649mm 539mm

468mm

287mm


Communication Experiment Mode

13

Ⅰ)ATM Switching Communication Experiment Mode

ATM Switched Duplex Link by Fixed or Scanning Beam

Ⅱ ） Bent Pipe ＴＤＭＡ Communication Experiment Mode

TDMA Bent Piped Duplex Link by Fixed or Scanning Beam

Ⅲ ） Bent Pipe Throughput Communication Experiment Mode

Throughput Bent Piped Duplex Link by Fixed or Scanning Beam


Error Correction

< 10-10

(after error correction)

BER

ATM Switching(155Mbps)

Reedsolomon(255,223)

Bent Pipe (622Mbps)

Communication Link Charactristic

< 10-10

(after error correction)N/A for data

(R-S for reference burst and signaling

burst)Multi

Connection MF-TDMA MF-TDMA

Service Class

QoS

CBR, UBR N/A

N/A N/A

Signaling Protocol T.B.D. T.B.D.


Bent-pipe

1 2 3 　 1 2 3

Conventional satellite

On-board ATM SwitchingＤＤＥＭ

ＡＴＭ SWＤＤＥ

Ｍ

ＤＤＥＭ

ＤＤＥＭ

　MOD

　MOD

　MOD

　MOD

Controller

DDEM ： Digital DemodulatorMOD： Analog Modulator

A A

B B

C C

A

c

B

AA

CB

BA BX

AA　 BA BX

CB BX

BX

ＷＩＮＤＳ

Onboard ATM

A

c

B

•Multicasting by Cell copy•Preventing congestion by cell deletion•Generating TDMA reference burst


・・・

・・・

RXSWMTX

TXSWMTX

RXAPAA

TXAPAA

MBA Japan

MBA Oversea

・・・

MPAMBA Oversea

＜ Example of Data Link：　Multicast＞

ATM(& DDEM, MOD)

ATM： ATM SwitchDDEM:Digital DemodulatorMOD :modulator

Kanto51Mbps×351Mbps×3

155Mbp155Mbpss

Tohoku

Kanto

Kyusyu

Seoul

Manila

JakartaSingapore

MBA Japan

USAT USAT/VSAT LATVSAT

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


・・・

・・・

RXSWMTX

TXSWMTX

RXAPAA

TXAPAA

MBA Japan

MBA Oversea

・・・

MBA Oversea

＜ Example of Data Link：　 ATM Switching＞

ATM(& DDEM, MOD)


155Mb155Mbpsps

MBA Japan


1.5Mbps1.5MbpsKyusyu

Kinki

Okinawa

・・・

MPA

Kanto


Bent Pipe Link


・・・

・・・

RXSWMTX

TXSWMTX

RXAPAA

TXAPAA

MBA Japan

MBA Oversea

・・・

MBA Oversea

＜ Example of Data Link： Bent Pipe＞

ATM(& DDEM, MOD)


155Mb155Mbpsps

MBA Japan


1.5Mbps1.5Mbps

・・・

MPA

・・・

155Mbps155Mbps

622Mbps622Mbps

Kanto

Kyusyu

・・・

・・・

Kinki

Manila

Kanto

Kyusyu

Kinki

Manila


Bent Pipe Link


●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

Image of Satellite Multicasting Communications Experiment

WINDS

Information/Contents Distributor

155 Ｍ bps

Contents Distribution

Contents Request

Home Server


Image of experiment in constructing information

network for land management and disaster monitoring

Forest Fire

Earth Observation Satellites

Urban disaster

Tidal wave

Red water

flood

Glacier

WINDS

Landslide

・Real-time processor

MinistriesAutonomous

body

Government Applications

Institute

Data Relay Test Satellite

Measures from small station

Providing disaster information

Satellite Monitor

Airplane Monitor

Ground Monitor

Monitor camera

Monitor camera

・ Database of disaster information

Real-time multicasting of several hundred mega bytes data

Information collection from disaster area


ＷＩＮＤＳ

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

University e-Learning in Asia

WINDS (collaboration style)

Conventional Satellite China

Lecture styleAdvanced e-Learnig between universities Asia

Thailand

Malaysia

Tsukuba(Japan)


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

constructed local network and weak

mainline

ISP

ISP

ISPweak mainline and local

network

Heavily-populated area

WINDS

CATV

Isolated area


instructionMedical consultation

ETS-VIII

Emergency Medical care

Image of tele-medicine experiment

WINDS


Japanese Agriculture Research Organization

ASEAN Agriculture Research Organization

AgricultureResearch Center

Tele-control by Agricultural Robot

WINDS

Earth Observation Satellite

Image of IT agriculture experiments


FY 2003 2004 2005 2006-

WINDS WINDS ApplicationExperiment

Pilot Experiment

Practical UsePractical Use

Request for proposal concerning Application Experimentsusing 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; [email protected] or [email protected]

Mileston for WINDS Experiment


NASDA to be reborn as “JAXA”

To be established on Oct. 1st

National Space Development Agency of Japan (NASDA)

National Aerospace Laboratory of Japan (NAL)

Institute of Space and Astronautical Science (ISAS)


END


【 Hub Station 】【 HDR-VSAT 】

【 USAT 】(Multicast User)

【 Beacon Station 】

155Mbps

155Mbps

【 LAT 】

～600Mbps

～1.2Gbps

Hospital, Educational Field

1.5M/6Mbps

155Mbps

1.5Mbps

【 SDR-VSAT 】

端末機 ODU/IDU

ﾜｰｸｽﾃｰｼｮﾝ

ABS

Network Control【 USAT 】

※

端末機 ODU/IDU

WINDS System Configuration

WINDS

WINDS ： Wideband InterNetworking engineering test and Demonstration Satellite

Documents