Post on 30-Aug-2018
LTE Air to Ground
Richard van WijkAviation Practice Lead
LOOK BEYOND
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150 years of successful reinvention
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Pulp, Paper,Rubber boots,Early Bell System,Mobile phones…
Launched Networkstransformation
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CreatedNokia
Technologies
Acquired Alcatel-Lucent
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NOKIA IN AVIATION
ANSP AIRPORT AIRLINE
NOKIA – Air to Ground
© Nokia 2018Public6
LTE air-to-ground
World’s first and only home-like Internet experience on board based on an LTE connection to the aircraftand Wi-Fi inside the cabin
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Key benefits of an LTE based Air to Ground solution
High speedHigh capacity&Lowest cost per bit
Low latencySupports any application
Light weightFits any aircraft, quick onboarding and saves fuel
€
© 2018 Nokia8
How does it work?Nokia LTE air-to-ground
Confidential
WLAN GWAAA
InterneteNodeB
Aircraft
LTE core network
LTE modem
LTE backhaul
Wi-Fi Wi-Fi
eNodeB
eNodeB
Passengers and crew in the cabin are served with Wi-Fi connectivity
LTE is used as backhaul between aircraft and ground
© 2018 Nokia9
On board equipment - the Aircraft Terminal SystemNokia LTE air-to-ground
Equipment adaptations to 4G LTE standard for:
• Higher aircraft speeds (Doppler)• Larger cell sizes• Aircraft to ground propagation
Air-to-ground terminal and eNodeBs are an integrated end-to-end system
Connects to the Connectivity Server and the Wi-Fi access points in the cabin
Very light weight – below 15 kg excluding cabling
Confidential
© 2018 Nokia10 Confidential
Nokia LTE Air-to-Ground
High speed
Nokia Bell Labs algorithms provide robust Doppler estimation and compensation caused by aircraft high speed(up to 1200 km/h)
Large cells
Nokia Bell Labs timing adjustment features compensate high distance between ground station and the aircraft(up to 150 km cell range)
© Nokia 2018
Radio planningRadio planning services and optimized gain pattern manage horizontal aircraft distribution at typical flight altitudes
SpectrumSpecific radio frequency modules on base station avoid interference with terrestrial LTE networkby using specific frequencies (i.e. S-band in Europe)
Technology challenges
© Nokia 2018Public11
European Aviation Network
Providing in-flight connectivity for Europe in 30 countries to enable an all-new user experience.
300 LTE base stations complement satellite technology to form a world-leading connectivity platform.
© 2018 Nokia12 Confidential
Nokia LTE air-to-groundEAN eNodeB site solution
© 2018 Nokia13
European Aviation Network
Confidential
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European Aviation Network
99.9
First customer International Airlines Group (IAG)
Service launch in 2018
The world’s first integrated air-to-ground and satellite network ofDeutsche Telekom and Inmarsatpowered by technology fromNokia and Thalesfor MSS S-band frequencies
First successful flight tests in commercial network in November 2016 – throughput beyond 75 Mbit/s
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Technical roadmap: technology advancements– Technology advancements (capacity, throughput, etc)– Interoperability– Redundancy
Business roadmap– Cabin Connectivity– AOC connectivity– ATC connectivity (subject to safety requirements, etc)
LTE A2G Roadmap
Nokia wants the LTE A2G technology to be considered as part of the SESAR program
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