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REGENERATIVE PAYLOADS IN SATELLITE COMMUNICATIONS REGENERATIVE PAYLOADS IN SATELLITE COMMUNICATIONS ALCATEL ALENIA SPACE – ESPAÑA Ana Jalón ALCATEL ALENIA SPACE – ESPAÑA Ana Jalón
REGENERATIVE PAYLOADS IN SATELLITE COMMUNICATIONSREGENERATIVE PAYLOADS IN SATELLITE COMMUNICATIONS
ALCATEL ALENIA SPACE – ESPAÑA
Ana Jalón
ALCATEL ALENIA SPACE – ESPAÑA
Ana Jalón
Regenerative Payloads in Satellite CommunicationsRegenerative Payloads in Satellite Communications2
AGENDA
• ALCATEL ALENIA SPACE - ESPAÑA• Satellite systems
– Transparent– Regenerative– Hybrid
• Questions and answers
Regenerative Payloads in Satellite CommunicationsRegenerative Payloads in Satellite Communications3
Alcatel Alenia Space España, is a Spanish company founded at the end of 1988, integrated in Alcatel Alenia Space and devoted to the competitive Development and Supply of Electronic Equipment and
Subsystems for Space applications.
Alcatel Alenia Space - España
Regenerative Payloads in Satellite CommunicationsRegenerative Payloads in Satellite Communications4
Alcatel Alenia Space - España
– Orders received:27,4 M€
– Staff:170 people
– R & D Expenses:over 7% of sales
– 70 % University Degrees
Tres Cantos Site
Alcatel Alenia Space - España
Regenerative Payloads in Satellite CommunicationsRegenerative Payloads in Satellite Communications5
Alcatel Alenia Space - España
Three product lines • Passive RF
– X, Ku, and Ka Band Input Multiplexers (IMUX)– Filters, Diplexers, and other Passive Devices from S to Ka Band– Microwave Assemblies (RF Distribution units, etc).– Dielectric Resonator, Waveguide and Coaxial Technologies
• TTC and Active RF – S and X Band TTC transponders, spread spectrum transponders and transceivers– L to Ku Band TTC Transmitters and Beacons– Customised RF Units: transmitters, receivers, modulators... – TTC Subsystems
Regenerative Payloads in Satellite CommunicationsRegenerative Payloads in Satellite Communications6
Alcatel Alenia Space - España
Three product lines • Digital Electronics
– Alcatel 9343 DVB On-Board Processor.– Base Band Processor (BBP), Wide-Band Digital Payload (WBDP/L), Memory Switch
ASIC, Advanced Demodulators, DVB Syst. Definition Study/Demod./Demux. …..– On Board Data Handling Units:
Remote Terminal Unit (RTU) / Payload Interface Unit (PIU), / Avionic Interface Unit (AIU)...
– Control Electronics Equipment: Antenna Pointing Mechanism Electronic (APME) / Solar Array Drive Electronic, (SADE) ….
Plus CTO department • R&D management• System activities
Regenerative Payloads in Satellite CommunicationsRegenerative Payloads in Satellite Communications7
AGENDA
• ALCATEL ALENIA SPACE - ESPAÑA: some figures• Satellite systems
– Transparent– Regenerative– Hybrid
• Questions and answers
Regenerative Payloads in Satellite CommunicationsRegenerative Payloads in Satellite Communications8
Transparent architecture
RCST
NCC
SAT FW SAT RT
RCST
NETWORK 1 NETWORK 2InteractiveNetworkAdapter
FEEDER 1STATION
GATEWAY 1STATION
DVB ForwardLink 1
DVB ForwardLink 2
RCSTReturn Link
RCST RCST
GATEWAY 2STATION
FEEDER 2STATION
BroadcastNetworkAdapter
InteractiveServiceProvider
BroadcastServiceProvider
Information Information RequestRequest
DVB-S / S2DVB-RCS
User to HUB
Regenerative Payloads in Satellite CommunicationsRegenerative Payloads in Satellite Communications9
Transparent architecture
RCST
NCC
SAT FW SAT RT
RCST
NETWORK 1 NETWORK 2InteractiveNetworkAdapter
FEEDER 1STATION
GATEWAY 1STATION
DVB ForwardLink 1
DVB ForwardLink 2
RCSTReturn Link
RCST RCST
GATEWAY 2STATION
FEEDER 2STATION
BroadcastNetworkAdapter
InteractiveServiceProvider
BroadcastServiceProvider
User trafficUser traffic
DVB-S / S2DVB-RCS
User to user
Regenerative Payloads in Satellite CommunicationsRegenerative Payloads in Satellite Communications10
Regenerative architecture
DVB-RCSTransparent
DVB-STransparent
AMERHISRegenerative Cross-Connected
Multi-Spot
DVB-RCS
DVB-S
DVB-S
DVB-S
DVB-S
What is regeneration?
Regenerative Payloads in Satellite CommunicationsRegenerative Payloads in Satellite Communications11
Regenerative architecture
Subnet S1Private
Subnet S2Public
Subnet S3Private
Subnet S4Private
Backbone
ISPnetwork INTERNET
RCST
RCST
router
Server
Server
InternetServers
Server
ISPServer
UT
UT
UT
UT
Content
router
RSGW
ContentProvider
Portal
DVB_RCS
DVB_S
NCCSubnet S1Private
Subnet S2Public
Subnet S3Private
Subnet S4Private
Backbone
ISPnetwork INTERNET
RCST
RCST
router
Server
Server
InternetServers
Server
ISPServer
UT
UT
UT
UT
Content
router
RSGW
ContentProvider
Portal
DVB_RCS
DVB_S
NCC
Regenerative Payloads in Satellite CommunicationsRegenerative Payloads in Satellite Communications12
Hub OBP
One-way delay ~600msBandwidth used x2
One-way delay ~300msBandwidth used x1
Regenerative architecture
Added values: mesh communications
Regenerative Payloads in Satellite CommunicationsRegenerative Payloads in Satellite Communications13
Hub OBP
Uplink/Downlink 3/3One-way delay ~300ms
Uplink/Downlink 1/3One-way delay ~300ms
Spot 1
Spot 2
Spot 3
Spot 1
Spot 2
Spot 3
Content Provider
Regenerative architecture
Added values: multicast multiple spots
Regenerative Payloads in Satellite CommunicationsRegenerative Payloads in Satellite Communications14
Regenerative architecture
Hub OBP
Uplink/Downlink 2+3/2+3One-way delay ~600ms
Uplink/Downlink 2/3One-way delay ~300ms
Spot 1
Spot 2
Spot 3
Spot 1
Spot 2
Spot 3
ContentProvider
ContentProvider
Added values: direct video contributions
Regenerative Payloads in Satellite CommunicationsRegenerative Payloads in Satellite Communications15
Regenerative architecture
FDMA
DVB-S DOWNLINK#N
DVB-S DOWNLINK#2
DVB-S DOWNLINK#1DOWNLINK COVERAGE#2
DOWNLINK COVERAGE#1UPLINK COVERAGE#2
UPLINK COVERAGE#1
TDMA
DVB-RCS UPLINK
Satellite
Ku
ON-BOARD PROCESSOR A-9343
MANAGEMENT STATION
GATEWAYSRETURN CHANNEL
TERMINALS
A-9785
Actors in the system
Regenerative Payloads in Satellite CommunicationsRegenerative Payloads in Satellite Communications16
Regenerative architecture
OBP (Alcatel 9343)
External Networks
User RCSTMS
RSGWUser RCST
Video ServiceProvider
Alcatel - 9785
Regenerative Payloads in Satellite CommunicationsRegenerative Payloads in Satellite Communications17
Hybrid architecture
Regenerative
ContentProvider
Transparent
ISP
DVB-S/S2DVB-S/S2
DVB-S/S2
DVB-S/S2
NCC
RSGW
Feeder
Traffic
Hub
DVB-RCS
DVB-RCSDVB-RCS
DVB-S/S2ISP
Regenerative Payloads in Satellite CommunicationsRegenerative Payloads in Satellite Communications18
Hub OBP
Star communicationsExternal networks access
Mesh communicationsReal-time applications
Spot 1 Spot 1
Spot 2
Spot 3
Hybrid architecture
Backbone
ISPnetwork INTERNET
InternetServers
ISPServer
Content
router
RSGW
ContentProvider
Portal
Spot 2
Added values: services optimization
REGENERATIVE PAYLOADS IN SATELLITE COMMUNICATIONSREGENERATIVE PAYLOADS IN SATELLITE COMMUNICATIONS
QUESTIONS...
ALCATEL ALENIA SPACE - ESPAÑA
QUESTIONS...
ALCATEL ALENIA SPACE - ESPAÑA
