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Broadband Wireless Technology Research Group1
Status and Perspective on Status and Perspective on Technology Development for Technology Development for
Satellite Communications in ETRISatellite Communications in ETRI
November 23, 2006November 23, 2006
2006 2006 IntInt’’l Workshop l Workshop B3G/4G Sat. Comm.B3G/4G Sat. Comm.
HoHo--Jin LeeJin Lee((hjleehjlee@@etrietri.re..re.krkr))
2006 Int’l Workshop on B3G/4G Sat Comm 2ETRI Proprietary
SynopsisSynopsisETRI IntroductionETRI Satellite Comm. R&D AchievementsETRI Satellite Broadband Mobile ETRI R&D Projects OverviewSatellite Market and Technology PerspectiveConclusion
2006 Int’l Workshop on B3G/4G Sat Comm 3ETRI Proprietary
ETRI IntroductionETRI IntroductionEstablished in 1976, Non-Profit Organization
The largest government The largest government funded R&D Institute of funded R&D Institute of ICT, located in ICT, located in DaejeonDaejeon
WorldWorld--class class Achievements like TDX, Achievements like TDX, DD--RAM, RAM, TiCOMTiCOM(Supercomputer), and (Supercomputer), and CDMA Mobile, etc.CDMA Mobile, etc.
IT839 areas of Mobile IT839 areas of Mobile Communication, Communication, BcNBcN, , Digital Broadcasting, Digital Broadcasting, Digital Contents, Digital Digital Contents, Digital Home Network, Home Network, TelematicsTelematics··USN/RFID, USN/RFID, Security, Embedded S/WSecurity, Embedded S/W
1,600 Engineers in total, 30% of them has doctoral degrees
10 Divisions and 1 Lab
Global Area Wireless Tech Groupof Radio & Broadcasting Res. Div.
2006 Int’l Workshop on B3G/4G Sat Comm 4ETRI Proprietary
IT Society
Vision
Roles
Role of Role of SatComm SatComm in uin u--IT SocietyIT Society
Connected atAny time/whereConnected atAny time/where
Safe, Healthy& ConvenientSafe, Healthy& Convenient
BroadbandEverywhereBroadbandEverywhere
Disaster-ProofGlobal NetworkDisaster-ProofGlobal Network
Broadband forDigital Divide GapBroadband forDigital Divide Gap
Always Connected“On-The-Move”Always Connected“On-The-Move”
Reliable, AccurateLocation ServiceReliable, AccurateLocation Service
2006 Int’l Workshop on B3G/4G Sat Comm 5ETRI Proprietary
SatelliteHD/UDTV,D-Cinema
Gap Filling,BackhaulService,
Extension
GlobalEnvironmentMonitoring,Protection
PPDR,SCADA,
EmergencyComm.High-Speed
Internet,Triple Play
Protection from Disaster & Danger, Safe & Secure Life
Completion ofUbiquitous Service
Network
SatelliteNavigation,Two-way
SAR
Comm.On-The-Move,
Wibro/DMBBroadband InfraFor Ubiquitous
InformationAccess
SatCommSatComm Services for uServices for u--Society Society
2006 Int’l Workshop on B3G/4G Sat Comm 6ETRI Proprietary
Broadband Mobile On-The-Move
Personal Mobile Comm. for B3G/4G Sys
Satellite/Terrestrial Hybrid for PPDR
(Hybrid) Satellite Mobile(Hybrid) Satellite Mobile
COMS Payloads, TT&C/MCC
HAPs Standardization
Satellite Comm. InfraSatellite Comm. Infra
DVB-S2 based HDTV
Advanced Satellite DMB
Broadband/Mobile TV Broadband/Mobile TV
Ground Infrastructure & SAR
Satellite NavigationSatellite Navigation
ETRI ETRI SatComm SatComm R&D Pillars R&D Pillars
2006 Int’l Workshop on B3G/4G Sat Comm 7ETRI Proprietary
1990 - 1996 1997 - 2000 2001 - 2003 - 2005
VSAT
Technology
ANT,DBS
Ku-CDMA Access(Rtn: 19.2Kbps)
DAMA-SCPC Sat ATM MODEM
PagerDistrib. VSAT
DVB-S System
Ku-TV APAA Digital PS MMIC
Backbone/P-t-P
Satcom
AccessNetwork(VSAT)
Circuit Switching (IP, ATM)Packet Switching
X-2Way APAA
Ku/Ka ATM/TDM 45~155Mbps
Ka-TDMA BB Mobile(Return: 10Mbps)
SAT-CDMA MC-CDMA Sat IMT-2000+
DVB-S2
Ka/Ku-2Way APAA
Ku/Ka DVB-RCS MF-TDMA Access
(Rtn: 4Mbps)
Ku-CDMA Mobile Access(Rtn: 384Kbps)
ETRI ETRI SatComSatCom R&D ChronicleR&D Chronicle
2006 Int’l Workshop on B3G/4G Sat Comm 8ETRI Proprietary
KOMPSAT Ground Control Systems (1)KOMPSAT TTC/MCC Systems(1/2)KOMPSAT TTC/MCC Systems(1/2)
2006 Int’l Workshop on B3G/4G Sat Comm 9ETRI Proprietary
KOMPSAT TTC/MCC Systems(2/2)KOMPSAT TTC/MCC Systems(2/2)
2006 Int’l Workshop on B3G/4G Sat Comm 10ETRI Proprietary
Broadband IP multimedia VSATs (Fixed & Mobile)
BSANBSAN((‘‘2000~2000~’’2002)2002)
-- DVBDVB--S/DVBS/DVB--RCSRCS-- MFMF--TDMATDMA-- Max. 45Mbps(FL),Max. 45Mbps(FL),
Max. 2Msps(RL) Max. 2Msps(RL) -- Ka/Ku BandKa/Ku Band-- Fixed TerminalFixed Terminal
MSIAMSIA((‘‘2001~2001~’’2003)2003)
-- DVBDVB--S with MFS with MF--DS/CDMA over DS/CDMA over DVBDVB--RCS RCS -- Max. 45Mbps(FL),Max. 45Mbps(FL),
Max. 384kbps(RL) Max. 384kbps(RL) -- Ku BandKu Band-- Mobile TerminalMobile Terminal-- Phased Array Ant.Phased Array Ant.
MoBISATMoBISAT((‘‘2003~2003~’’2005)2005)
-- DVBDVB--S with S with extended DVBextended DVB--RCSRCS
-- MFMF--TDMA TDMA -- Max. 80Mbps(FL),Max. 80Mbps(FL),
Max. 4Mbps(RL) Max. 4Mbps(RL) -- Ka & Ku BandKa & Ku Band-- Mobile TerminalMobile Terminal-- Hybrid AntennaHybrid Antenna
ETRI Satellite BB VSAT TechnologiesETRI Satellite BB VSAT Technologies
2006 Int’l Workshop on B3G/4G Sat Comm 11ETRI Proprietary
MoBISAT System FeaturesServices
BROADBAND OTM : Broadcasting(TV, BTV, iTV), VoD/streaming, IPTV, Internet Access, VoIP, etc.QoS support by Real-time Resource Management IP based services and VPN
Forward LinkDVB-S standard ( DVB-S2 Upgrade on-going ) Ku-band for TV, Ka-band for Internet (Ku/Ka hybrid possible)80Mbps 8PSK/QPSK modulation with blind demod/decod support
Return LinkA slight extension of DVB-RCS for Ka-band channels0.5Msps~4Msps QPSK/BPSK modulationGPS-position dependent timing and frequency adjustment Robust and good return link demodulation performance
Demodulation at Es/No=2~3dB(BPSK),5~6 dB(QPSK)Synchronization maintaining against a short period of link loss (2min.)
Satellite BB Mobile Satellite BB Mobile –– MoBISATMoBISAT(1/4)(1/4)
2006 Int’l Workshop on B3G/4G Sat Comm 12ETRI Proprietary
MoBISAT Low-profile Ku/Ka-band Mobile AntennaFeature
A multi-band low-profile mobile antenna2-axix mechanical tracking structureLow profile: 65cm(D) x 20cm(H) reflector, 35kgHybrid satellite beam tracking
Ku-band electrical beam-formed(array feeds) monopulse trackingTracking travel range : 15o ~ 75o for EL, 360o unlimited for AzTracking loss : 0.5 dB max(± 0.2o)
Ka/Ku-band Satellite Mobile (3)
Item SpecificationRF
FrequencyTX : 30.085 ~ 30.885 GHzRX Ka : 20.355 ~ 21.155 GHzRX Ku : 11.7 ~ 12.0 GHz
EIRP 44 dBWG/T RX Ka : 12.0 dB/K
Polarization TX Ka: RHCP, RX Ka/Ku: LHCP
Satellite BB Mobile Satellite BB Mobile –– MoBISATMoBISAT(2/4)(2/4)
2006 Int’l Workshop on B3G/4G Sat Comm 13ETRI Proprietary
DVB-RCS ExtensionBackgrounds
DVB RCS-AHG updated “Guideline” for application of the DVB-RCS to mobile services in 2004 Agreed as necessity for optimal and suitable solutions to cope with mobile environmentRCS-AHG was waken in 2006
CM approval to take off with Commercial Requirement
ETRI ApproachesMobility adaptation within the DVB-RCS specification
Compensation of frequency and timing offset caused by movingFast initial network access and synchronization acquisition
Air-interface adaptation to cope with high mobilityBurst preambles adjustment for lower power signal and a larger freq. offset
Performance enhancementLow SNR demod with frequency recovery, sophisticated NCR recovery, etc.
Network synchronization maintenance in high mobilityQoS-supporting real-time resource allocation
Ka/Ku-band Satellite Mobile (5)Satellite BB Mobile Satellite BB Mobile –– MoBISATMoBISAT(3/4) (3/4)
2006 Int’l Workshop on B3G/4G Sat Comm 14ETRI Proprietary
Satellite Tracking and Service TestTest Configuration
Satellite BB Mobile Satellite BB Mobile –– MoBISATMoBISAT(4/4)(4/4)
2006 Int’l Workshop on B3G/4G Sat Comm 15ETRI Proprietary
ETRI MoBISAT Technology Satellite BB & BW scalability with MF-TDMA : DVB-RCS
Satellite BW is allocated in BoD according to the usage levelKa-band return link for spectral efficiency and smaller antenna
Ku-band : 27.5Msps, Ka-band : 512kbps ~ 1MbpsLow profile tracking antenna for train railway environment
Dual Antenna ConfigurationMaximum Reliability, Minimization of unscheduled maintenanceRedundancySatellite Bandwidth Sourcing Economy
Ku/Ka-band satellite at prime orbital location
MobiSATHub
Ka-band
downlink to train
Ka-band return link from train
Ku-band satellite
Ku-band downlink to trainMA MA
MoBISAT MoBISAT for Broadband to Trainfor Broadband to Train
2006 Int’l Workshop on B3G/4G Sat Comm 16ETRI Proprietary
Public and Special ApplicationsEmergency Comm., Disaster Monitoring and Recovery
Disaster information gathering and real-time reportEmergency and disaster communication
Multimedia based(BB) mobile Broadcasting/Comm. Backhaul service of mobile terrestrial wirelessGateway or AP extension(with mobility) for local wireless access
Disaster recovery & rescue controlTeleconference
Mobile Telemedicine, Tele-education Emergency medical care services
First aids, emergency care, paramedic
Military COTM, National Guard/SecurityMobile E-government/E-public Service Mobile Office, Field/Remote Industries/UtilitiesMobile Entertainment, Campaign etc.
MoBISAT MoBISAT Applications ExamplesApplications Examples
2006 Int’l Workshop on B3G/4G Sat Comm 17ETRI Proprietary
’’0505 ’’0606 ’’0707 ’’0808 ’’0909 ’’1010 ’’1111
COMS SATCOM PAYLOADS
KOMPSAT 3, 5 GROUND CONTROL SYSTEM
SAT-TERR HYBRID NETSYSTEM FOR BB MOBILE
ADAPTIVE SAT BROAD/COMMCONVERGENCE
SATELLITE IMT-2000+(B3G/4G SAT-MOBILE INTERFACE)
PERSONAL SAT-TERR MOBILECOMMUNICATION TECHNOLOGY
SatelliteComm.
Infrastructure
Broadband Mobile
Internet/TV
BroadbandSatellite
Broadcasting
NEXT GENERSTION SAT.(OBP, NAVIGATION)
BB MOBILE MESH VSAT For PPDR & BACKHAUL
GNSS GROUND SYSTEMS & TERMINALS
’’1212
KA-BAND MULTI-CHAN HDTV BROADCASTING
PersonalSatelliteMobile
SatelliteNavigation
ETRI ETRI SatComm SatComm R&D Project OverviewR&D Project Overview
2006 Int’l Workshop on B3G/4G Sat Comm 18ETRI Proprietary
Satellite ProgramCOMS : Communication, Ocean and Meteorological Satellite
ETRI Role & ResponsibilityDevelopment of the SATellite COMmunication System
(SATCOM) to prove the Space Qualification Technology for Commercialization
Development ScopeDevelopment of the SATCOM System for COMS
Ka-band COmmunication Payload System (COPS)Satellite Ground Control System (SGCS)Communication Test Earth Station (CTES)
Public Communication ServiceGovernment Communication Network
PPDR, Administrative Communication
SATCOM Payload Technology (1/2)SATCOM Payload Technology (1/2)
2006 Int’l Workshop on B3G/4G Sat Comm 19ETRI Proprietary
OMUX
DOWN CONVERTER
CH AMPLIFIER
MICROWAVE SWITCH MATRIX
UP CONVERTER
CH FILTER
BEACON
Communications Payload Schematics
SATCOM Payload Technology (2/2)SATCOM Payload Technology (2/2)
2006 Int’l Workshop on B3G/4G Sat Comm 20ETRI Proprietary
Mode/StreamAdapter
FECEncode
rModulator
ACMSatelliteGateway
Return Link Transmitter
Demo-dulator
FECDecode
r
Mode/Stream
De-adapter
INTERNETINTERNET
DVB-S2 Forward Link Transmitter DVB-S2 Forward Link Receiver
RF/Antenna
Ku/Ka-bandsatellite
Terrestrial Return link(PSTN, ADSL, Cable, Mobile Network)
TunnerRF/
Antenna
DVB-
S2
InternetTerminal
others
MPEG-2/MPEG-4
MUX
GeneralPacket,streams
* Option
A/VDecode
rMulticastServer
Webcache
QoSManager
IP basedApplications and
Services
SDTV/HDTV
Return Link Receiver
* Option
DVB-RCS
Advanced DVB-S2BcSAT Demodulator
ETRI-BcSAT-DVBS2
DVB-S2 based Transmission TechnologyHierarchical Modulation and High Efficient FECBroadcasting and Data Stream AdaptationAdaptive Coded Modulation Control Techniques
DVB-S2 based Transmission TechnologyHierarchical Modulation and High Efficient FECBroadcasting and Data Stream AdaptationAdaptive Coded Modulation Control Techniques
Convergent Transmission TechnologyConvergent Transmission Technology
2006 Int’l Workshop on B3G/4G Sat Comm 21ETRI Proprietary
AUS
ChannelCompensation
Gateway
Ku-band
Forward Link:WCDMor
OFDM
Return Link:WCDMAor
SC-FDMA
Radio Interface AdaptiveModulation
Radio Resource
Management
Multi-carrierTransmission
S band
지상망
지상망
IWF
LS Billing
Network ManagementCenter
PSTN/PLMN/PSDN/WWW
Radio Interface and System DesignGEO-based B3G/4G Personal Satellite Mobile Comm.
Satellite Radio Interface compatible to Terrestrial Mobile Radio Interface
Satellite Multimedia Broadcasting(MBMS) & Terrestrial Fill-in Service
Hybrid Networking with Satellite and Terrestrial Repeaters
Radio Interface and System DesignGEO-based B3G/4G Personal Satellite Mobile Comm.
Satellite Radio Interface compatible to Terrestrial Mobile Radio Interface
Satellite Multimedia Broadcasting(MBMS) & Terrestrial Fill-in Service
Hybrid Networking with Satellite and Terrestrial Repeaters
A SRI for IMT-2000 system : SAT-CDMA (SRI-C: Rec. ITU-R M. 1455 & 1457)A SRI for IMT-2000 system : SAT-CDMA (SRI-C: Rec. ITU-R M. 1455 & 1457)
Satellite IMTSatellite IMT--2000+ Technology2000+ Technology
2006 Int’l Workshop on B3G/4G Sat Comm 22ETRI Proprietary
Seamless Triple Play Service for High-Speed TrainsMobile DVB-S2 and DVB-RCS in High Mobility EnvironmentGap Filling and Network Handover betw. Sat and Terrestrial
Ka/Ku-bandKa/Ku-band
InternetBackbone If SatNet is
not available
Ka/
Ku-b
and
Ka/Ku/ISMGF
TurnnelServer #1
Hub Tx. Equipment
Hub Rx.Equipment
Server #n
Resource Manager
HUB
....
Ka/Ku/ISMGF
2.3GHz
Railway Station
Ka/
Ku-
band
Ka/Ku-band
2.4GHz
RP/APRP/AP RP/AP STB2.3GHz(802.16e) or2.4GHz(802.11a/b/g)
Coaxial Cable고속열차 객차
BSSTB BS
Legend
RP : Relay PointAP : Access PointWLAN : Wireless LANBS : Base StationGF : Gap Filler
WiBro
WiBro BS
WLAN
WLAN BS
WiBro
WiBro BS
Hybrid Tech. for BB Mobile InternetHybrid Tech. for BB Mobile Internet
2006 Int’l Workshop on B3G/4G Sat Comm 23ETRI Proprietary
Gateway
EmergencyCommunication
PPDR
Personal/PortableSatellite Mobile
Multimedia
Train/Vehicle
maritime Aeronautical
Super GEO
RealtimeRelay
BroadbandMobile
Broadcast/Comm.Multi-channel
Satellite HDTV/3DTV
Gateway
PortableMobile TV
GEORemote SensingLEO
HAPs
Satellite Service PerspectivesSatellite Service Perspectives
2006 Int’l Workshop on B3G/4G Sat Comm 24ETRI Proprietary
(Source: SIA Report, 2006)
Growth at 7.4% in 2005(Over last 5 years rate)Service and Ground Equipment markets are leading Expected to grow to 130Bn USD market size in 2010
Satellite Market Perspectives(1/2)Satellite Market Perspectives(1/2)Satellite Market is awaken for growing (SIA, 2006)Satellite Market is awaken for growing (SIA, 2006)
2006 Int’l Workshop on B3G/4G Sat Comm 25ETRI Proprietary
Transponder Needs (NSR, 2006)Transponder Needs (NSR, 2006)
197.9
355.3
17.3
193.6
381.4
54.6
186.9
434.8
96.6
175.5
479.2
135.9
158.7
517.5
173.9
145.4
535.4
212.2
0
100
200
300
400
500
600
700
800
900
Xponders(36MHz Eq)
2005년 2006년 2007년 2008년 2009년 2010년
C-band TPEs Ku-band TPEs Ka-band TPEs
Satellite Market Perspectives(2/2)Satellite Market Perspectives(2/2)
TPE CAGR : Ka-band 40.4%, Ku-band 8.5%, C-band –6.0%Ka-band TPEs are expected to reach to 20% of Total in 2010
2006 Int’l Workshop on B3G/4G Sat Comm 26ETRI Proprietary
Broadband
Convergence
Mobile
Integration
Satellite HDTV, 3DTV, D-cinema
High-Speed Internet
(Telemedicine, Tele-education)
Satellite Ultraband (Gbps)
Satellite Multimedia PPDR
Sat-based WiBro/WLAN
Satellite w/ATC 3GE, 4G
Ubiquitous S/T-DMB
Satellite Backhaul
Satellite-Wireless PPDR
Satellite DMB
Satellite IP
TV
Satellite 3GE/4G MBMS
Satelllite
Triple Play
Satellit
e Broadband Mobile
INMARSAT BGAN
Satellit
e Navigatio
n/LBS
Sat mobile
TV, Sate
3G/4G
SatCommSatComm. Technology Key Drivers. Technology Key Drivers
2006 Int’l Workshop on B3G/4G Sat Comm 27ETRI Proprietary
Mobility
Mob
ile
BroadbandBroadbandPortablePortableMobileMobile
ConvergenceConvergence
Stat
ion
ary/
Fixe
d
NBMobileVSAT
NBMobileVSAT
BBHybrid Mobile
VSAT
BBHybrid Mobile
VSAT
BBIP Mobile
VSAT
BBIP Mobile
VSAT
Sat CDMASat
CDMA
Sat GMR(2G)
Sat GMR(2G)
Sat IMT-2000(3G)
Sat IMT-2000(3G)
Sat IMT-Adv.(B3G/4G)
Sat IMT-Adv.(B3G/4G)
S-DMB(QVGA)S-DMB(QVGA)
InteractiveS-DMB
InteractiveS-DMB
UbiquitousSD S-DMB
UbiquitousSD S-DMB
VSATVSAT DVB-RCSVSAT
DVB-RCSVSAT
DVB-S2/RCSVSAT
DVB-S2/RCSVSAT
DVB-S2(Ku- HDTV)
DVB-S2(Ku- HDTV)DVB-S
(Ku,SDTV)DVB-S
(Ku,SDTV)
2011200920062003
DVB-S2(Ku/Ka-HDTV)
DVB-S2(Ku/Ka-HDTV)
DVB-S3(UDTV/3DTV/D-cinema)
DVB-S3(UDTV/3DTV/D-cinema)
DVB-S3/RCSSAT
DVB-S3/RCSSAT
MobileDVB-S
MobileDVB-S
SatCommSatComm. Technology Roadmap. Technology Roadmap
BBPortableMobile VSAT
BBPortableMobile VSAT
MobileDVB-S2MobileDVB-S2
BBBBConvergentConvergent
VSATVSAT
2006 Int’l Workshop on B3G/4G Sat Comm 28ETRI Proprietary
ETRI has developed Satellite Communication and Broadcasting Technologies for 17 years, and achieved an outstanding and exceptional progress to stand itself at a world class leader position in this fieldOf the achievements, MoBISAT can be evaluated a world top-level state-of-art OTM technology based on mobile DVB-S/DVB-RCS and provides ETRI/Korea with big opportunities to enable various applications worldwide required for IT services for world citizens ETRI is also carrying out development of satellite communication payloads and mission control centers along with Korean space program initiativesWith evolution of satellite communications technology like DVB-S2 and mobile DVB-RCS, and integration with terrestrial wireless networks, the market continues to grow upon strong advocate of satellite HDTV,PPDR,BB and COTM
Conclusion Conclusion