gsm to satcom - nsk 200 over inmarsat presented by torgrim jorgensen [email protected] presented by...
TRANSCRIPT
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GSM to Satcom -NSK 200 over InmarsatGSM to Satcom -NSK 200 over Inmarsat
Presented by
Torgrim Jorgensen
Presented by
Torgrim Jorgensen
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Nato Satcom - TSGT T1
COG-99
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Communication satellite systems
• Satellite systems such as Iridium and Globalstar use Low Earth Orbit satellite which move very fast over the sky, which require many gateways or a complicated switch over system between satellites.
Globalstar
Iridium
Teledesic
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Inmarsat System
• Uses Geostationary satellites– Inmarsat uses four
geostationary satellites
– The satellites are in the same position relative to earth.
– They will always be seen in that position.
12,0
00km
178ºE
64º
15.5ºW
55ºW
PacificOceanRegion
IndianOceanAtlantic RegionOcean
RegionWest
AtlanticOceanRegionEast
35700 km
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Spot Beam
Fore the land masses and the coast, the spot beam coverage is almost total.
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Inmarsat GAN coverage
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Nera WorldCommunicator
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Nera WorldCommunicator
Nera WorldCommunicator
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Main elements portable antenna
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Main elements fixed antenna
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GAN Services• 64 kbps speech
• 4,8 kbps speech (low cost)
• MPDS - Mobile Packet Data System
• 64 kbps data UDI
• 56 kbps data
• 64 kbps audio (3.1kHz analogue)
All services gives full Duplex
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Interfaces• ISDN
– Connector RJ-45– Standard Euro ISDN(DSS1), NI-1 (US)
• RS-232– 9 pin DSUB, DTE– Bit rate (1200 - 115000 bps)
• USB (Universal Serial Bus)– Upstream connector
• Built-in DECT base station– Wireless up to 300 meters– GAP standard
• Secure voice STUIII / STUIIB
USBRS-232ISDN
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Telephone connections
• Each telephone can have separate IMN
• 1 external and “3” internal calls at a time
• Different call quality:– 4.8 Kbps speech– 64 Kbps speech
• Max 12 DECT• Max 8 ISDN
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Internal & External calls
• Transfer and park incoming calls
• Grouping of all DECT handsets to one IMN
• Grouping of all ISDN to one IMN
• Grouping of one DECT and one ISDN to one IMN
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Data connections
ISDN
USB
RS-232
64 kbps data
56 kbps data
64 kbps audio
64 kbps data
MPDS
Vt-lite
Software download
64 kbps data
MPDS
Vt-lite
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Power input / consumption
• DC Input to Modem– 19VDC
• AC/DC Adapter– 100 to 240V AC
• DC/DC Adapter– 10 to 32V DC
• Consumption– Transmit: 32 W– Standby: 0.75 W– Charging: 30 W maximum
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Battery life time
• Standby time– >50 hrs.
• 4,8 kbps voice– 4,5 - 9 hrs.
• 64 kbps voice– 3 - 6 hrs.
• 64 kbps data– 1.5 - 3 hrs
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Size and Wight
• Dimensions collapsed:– H=68mm W=260mm
D=355mm• Antenna folded out:
– H=340mm W=774mm D=10mm
• Weight:– 4,2 kg (with battery)– 3,7 kg (without)
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Environmental conditions• Operational
– Antenna: -25 to +55oC– Modem: -25 to
+55oC
• Storage– -50oC to +80oC
• IP grade– Antenna IP55– Modem IP53
• Robustness– 0.8 m drop on
concrete
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Applications for NWC• Data, Dial up networking• Video conference• Video store & forward• Video• Surveillance• Audio• Voice• SCADA• Fax G3 and G4• Multiplexers• Encryption Devices
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Mobile Packed Data System
MPDS
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Features
• Pay for data used, not per minute• Users share 64 kbps channels• “Always on” - keep connected at no
additional cost.• Access to the world-wide WEB• Immediate e-mail transfer• On-line SCADA applications• Reduce costs for specific applications
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Typical Applications
• E-mail• Internet/intranet• Map updates• Database queries• SCADA• Status/diagnostics
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SECURE GSM/DECT OPTION:
NSK 200 & Nera WorldCommunicator
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PSTN
NSK 201DECT BASE
STATION
GSM NSK 200
NSK 200 GSM/DECT mobile phone
NSK 200
•GSM to GSM via GSM network•GSM to DECT via GSM and PSTN network•DECT to DECT via PSTN network
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PSTN
WorldCommunicator with new
DECT module
NSK 201DECT BASE
STATION
GSM NSK 200
Nera WorldCommunicator with NSK 200 GSM/DECT mobile phone
This is what Nera will offer
NSK 200
Using the ISDN3,1 kHz Audio Service
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Why the Satellite option?
• Gives user access to other GSM encrypted devices when
GSM or terrestrial lines are unavailable
• No external devices needed - DECT base station is
integrated in the WorldCommunicator. The battery in the
satellite terminal has over 50 hours standby time and
several hours talk time.
• Connectivity - one handset, one phone number, one
phone book and one crypto key no matter what service
you use (GSM, DECT/Terrestrial or DECT/Satellite)
– You simply forward your calls to the service you are using
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DECT Development
• Today: GAP DECT standard only• Will develope and implement the D2 data
standard and analogue modem• Keep all current DECT functionality
• Ready Q4 2002
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NSK 200 connection at present
NSK 200NSK 201 DECT base station Terminal
Adapter NeraWorldCommunicator
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Nera F77Continuing the Saturn tradition
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Nera F77 services
• 4,8 kbps voice (low cost)
• 64 kbps speech
• 64 kbps data / G4 fax
• 56 kbps data
• 3.1 kHz audio
• MPDS MobilePackedDataService
All services gives full Duplex
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Nera F77 on German Fregate
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PSTN
NSK 201 DECT BASE
STATION
GSM NSK 200
NSK 200 at sea!
This is what Nera can offer
NSK 200
NSK 201 DECT BASE
STATION
Nera F77
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Other crypto solutions
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WorldCommunicator andIP encryption
RouterIP encryption(TCE 621)
PCNeraWorldCommunicator
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WorldCommunicator and PACE
NeraWorldCommunicator
DECT
PACE
ISDN PACE
64 kbps voice
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