WirelessCabin, EC Project IST-2001-37466 DLR 2003, all rights reserved WirelessCabin Results WirelessCabin Development and Demonstrator of Wireless Access

WirelessCabin, EC Project IST-2001-37466DLR

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WirelessCabin Results

WirelessCabin

Development and Demonstrator of Wireless Access for Multimedia Services in Aircraft Cabins

IST-2001-37466

WirelessCabin, EC Project IST-2001-37466D

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Outline

Business Aspects: Business Model, Billing and Satellite Roadmap

Cabin Resource Planning

Channel and Interference Modelling

Demonstrator Implementation and Trials

Trial Results

Licensing and Certification

Impact/Exploitation


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Personal communications

Business environment

Mobile In-Flight

In-flight entertainment


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WirelessCabin Objectives

UMTS, W-LAN, Bluetooth access to specify a system for wireless aircraft cabin access (UMTS, W-LAN and

Bluetooth) to develop a system prototype and demonstrate the services to support mobile, collective networks on the move with protocols for

AAA, VPN, mobility, QoS to determine the aircraft indoor cabin propagation channel for UMTS and

ISM band to analyse the interference into avionics and terrestrial networks to determine the topology, the capacity and frequency assignment of cabin

cellular networks to define an encapsulation protocol to transport the UMTS over Bluetooth to investigate resource management schemes in the cabin


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Market, Services, Business


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Surveys:

Passenger survey ~300 responses to online survey 80% European, 10% US, 10% Asia Pacific ~50% business travellers, ~40% leisure travellers

Airline survey 10 different airlines Surveys and workshops

Industry survey ~20 companies IFE, wireless, service and operators

WirelessCabin Market


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WP 3200 Simulation -1-

Simulation from 0h to 24h (GMT)9th May 2002


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Satellite Segment Simulation Model

Flight routes

Satellite coverage

Multiserviceuser&traffic

usage type

service s

s

[1/h] 1/s

[s]Rs,f

[kbps] Rs,r

[kbps] bs

[-] voice 0.2 180 9.6 9.6 0.35 email 10 3 16 16 1.0

heavy

http x y 32 3.2 0.05 voice 0.1 120 9.6 9.6 0.35 email 5 2 16 16 1.0

medium

http x/2 y/5 32 3.2 0.05 voice 9.6 9.6 0.35 email 2 1 16 16 1.0

light

http x/4 y/10 32 3.2 0.05

Capacity requirements(peak, average, dynamics …)

Business model


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A B C D E F G HSELECTED

ON-LINE AcSI

CabinSegment

INMARSAT GAN

INMARSAT SWIFT64TERMINAL (dual mode)

GANGROUND STATION

TERRETRIALNETWORKS

A340-600

ProviderSegment

Basic Scenario

SERVICESUsers

per flight

Max. parallel users

Max aggregate

data rate to A/C (Kbps)

Max aggregate data rate from A/C (Kbps)

Max aggregate

data rate in cabin (kbps)

Voice 33,76 6 57,60 57,60 115,20

SMS 42,20 N/A 0,01 0,01 0,02

www 41,09 23 37,03 3,70 40,73

E-Mail 32,65 N/A 10,37 6,22 16,58

… … … … … …TOTAL (Kbps) 110,86 67,67 5628,94

Basic set of services

Traffic flows mapping

Low rate L-band satellite system

Useful for aircraft with already operating Inmarsat satcom


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A B C D E F G HSELECTED

ON-LINE

CabinSegment

ASTRA BBITERMINAL

ASTRA BBI

INMARSAT B-GAN

INMARSAT B-GANTERMINAL

ASTRA BBIGROUND STATION

B-GANGROUND STATION

TERRETRIALNETWORKS

A380

ProviderSegment

Enriched Scenario

SERVICESUsers

per flight

Max. parallel users

Max aggregate data rate

to A/C (Kbps)

Max aggregate data rate from A/C (Kbps)

Max aggregate

data rate in cabin (kbps)

… … … … … ...Live TV

broadcast 2,00 2 3024,00 0,00 224,00Live Radio broadcast 2,00 2 224,00 0,00 224,00

Telemedicine 1 1 64,00 64,00 128,00Cabin

surveillance 4 4 0,00 17,78 0,00

TOTAL (Kbps) 3475,99 171,78 7190,60

Larger aircraft

More cabin services

More passenger demand

More satellite bandwidth

L-band (medium Rb)

Regional Ku-band (high Rb)


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Business Modelling Ingredients

• Satellite system/constellation

– spot beam coverage

– flexibility of spot beams

• Multiservice traffic/capacity model

– demand-driven “forward” calculation

– essentially linear and parametric

• User demand model

– for voice, email, ftp, www

– based on measured demand figures from terrestrial provider

(national/international calls)

• Pricing/revenue model

– based on national/international call tariffs from GSM/GPRS perspective


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Aircom Business Case Methodology

How much would customers really use aero services if:

1. Those services were charged like the equivalent terrestrial services?

2. Customers used the budgets they already have available for those services?

Steps:

1. Identify the equivalent services to aero Phone and Internet

2. Provide the tariffing & usage profiles for aero services

3. Map these profiles to the classes the passengers fly

4. Provide revenues and data traffic expected per aircraft, according to the typical cabin configuration

5. Extend the results to the fleets used for North-Atlantic flights


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Telephone Internet TotalAA 10´270´647 22´695´700 32´966´347BA 15´513´271 34´420´595 49´933´866DL 10´370´751 22´915´795 33´286´546LH 8´019´762 17´874´415 25´894´177

AirlineExtrapolated yearly revenues

Telephone Internet Total97´815´985 144´086´670 241´902´655

Extrapolated yearly revenues (Euro)

Revenues

Traffic

………………………………………………………………………………………..

Case Study: Revenues and Bit Rates for North-Atlantic Route

in out in out in out A340 12 12 33 4 45 16A380 27 27 71 8 98 35B747 23 23 61 7 83 29B767 14 14 37 4 51 18B777 17 17 47 5 64 23MD11 16 16 43 5 59 21

TotalMean data traffic in Kbps for

AircraftTelephone Internet


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WP 3200 Example Results

Telephone Internet TotalAA 10´270´647 22´695´700 32´966´347BA 15´513´271 34´420´595 49´933´866DL 10´370´751 22´915´795 33´286´546LH 8´019´762 17´874´415 25´894´177

AirlineExtrapolated yearly revenues

Telephone Internet Total97´815´985 144´086´670 241´902´655

Extrapolated yearly revenues (Euro)

Revenue Estimation

Sat 4 Sat 1 Sat 2 Sat 3 Sat 4

DynamicSatellite Load


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WirelessCabin System Design


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WirelessCabin ArchitectureWirelessCabin Architecture

Modular services: cellular (GSM, UMTS), W-LAN, Bluetooth Airline chosen segments Services and bandwidth can depend on aircraft type

All-IP-based network (also for cellular) Globally routable Independent of satellite segment (all satcoms supported) Scalable

Cellular services have core network technology in cabin QoS support Local cabin services Flexible accounting and service provisioning

Flying pico-cells are remotely controlled Master-slave architecture for aircom provider Independent from transport network


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WirelessCabin Architecture

InternetInternet

PSTNPSTN

PLMNPLMN

Public & Home Public & Home

Network Network

DomainsDomains

ServiceService

ProviderProvider

DomainDomain

ServiceService

IntegrationIntegration

DomainDomainSAT2SAT2

SAT1SAT1

TransportTransport

DomainDomain

WLANWLAN

BTBT

UMTSUMTS

Local AccessLocal Access

DomainDomain

MASTERSLAVE

WirelessCabin Architecture


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Topology and Capacity Planning

Topology and capacity planning required for in-cabin CMHN with challenging characteristics:

Traffic mix

Satellite capacity

In-cabin propagation

IEEE 802.11b – BluetoothTM interference

A tool that takes into account such characteristics has been developed

INTERFERENCE

PERFORMANCE

TERMINALSAND APsCONFIGURATION

PROPAGATION

TRAFFICFLOWSMAPPING

TRAFFIC SCENARIO(SELECTED A/C)

GENERATEWLAN TRAFFIC

GENERATE UMTSTRAFFICPICONETS

GENERATEBLUETOOTH TRAFFIC

PAN

PROPAGATIONMODEL

RECEIVEDPOWER

ATTACHMENT TO APs

INTERFERENCEMODEL

ACTIVE TERMINALCONFIGURATION

RLB

PERFORMANCEPARAMETERS

OPTIMIZATION

NUMBER APs

AP CONFIGURATION

NUMBER APs

AP CONFIGURATION

INTRA-RAT INTERFERENCE

INTER-RAT INTERFERENCE

INTERFERENCE

PERFORMANCE

TERMINALSAND APsCONFIGURATION

PROPAGATION

TRAFFICFLOWSMAPPING

TRAFFIC SCENARIO(SELECTED A/C)

GENERATEWLAN TRAFFIC

GENERATE UMTSTRAFFICPICONETS

GENERATEBLUETOOTH TRAFFIC

PAN

PROPAGATIONMODEL

RECEIVEDPOWER

ATTACHMENT TO APs

INTERFERENCEMODEL

ACTIVE TERMINALCONFIGURATION

RLB

PERFORMANCEPARAMETERS

OPTIMIZATION

NUMBER APs

AP CONFIGURATION

NUMBER APs

AP CONFIGURATION

INTRA-RAT INTERFERENCE

INTER-RAT INTERFERENCE

3 service scenarios simulated

Voice over UMTS + email over WLAN in short range a/c

Voice over UMTS + email over WLAN + voice over BluetoothTM in short range a/c

Voice over UMTS + (www, email, streaming) over WLAN + voice over BluetoothTM in long range a/c


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Results and Conclusions: Coverage

Propagation conditions in short and long range a/c are not comparable

A319: 1 AP per RAT is sufficient for coverage requirements

UMTS WLANA319

A330-200: there are coverage gaps providing even 4 APs for WLAN!!

Solution: Leaky line only 1 AP required

COVERAGE ON BOARDPoint antenna Leaky line

A330-200


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Propagation, Interference


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Measurement Campaigns

A319

26-28 Feb. Hamburg

A330-200

12-14 May Toulouse

Narrowband Measurements

In- and out-of-cabin positions

Frequency bands:

GSM-900

GSM-1800

UMTS UL & DL

ISM

Wideband Measurements

In-cabin positions

Frequency bands:

UMTS UL & DL

ISM


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GSM / UMTS In-Cabin Results – A319

Tx. Antenna:

Drooping dipole

Tx. Antenna:

Leaky line

-5 dB < < 0 dB

-10 dB < < -5 dB

-15 dB < < -10 dB

< -15 dB

No measurement

> 10 dB

5 dB < < 10 dB

0 dB < < 5 dB

RP

RP

RP

RP

RP

RP

RP


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Demonstrator and Trials


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Major Flight Test Scenarios

Outgoing telephone call from on-board GSM mobile to VoIP client on ground

Outgoing telephone call from on-board GSM mobile to GSM mobile terrestrial telephone

Outgoing telephone call from on-board GSM mobile to fixed terrestrial telephone

Incoming telephone call from VoIP client on ground to onboard GSM mobile

Crew Internal Communication (WLAN / Bluetooth solution)

Crew External Communication (WLAN / Bluetooth solution)

Authentication onboard the aircraft and on ground

Audio / Video Browsing and Streaming with Notebook (internal and ground content)

Audio / Video Browsing and Streaming with PDA (internal and ground content)

Cabin Service Control via Flight Attendant Panel (Emergency case / Telemedicine)

GSM Power Control

Online Billing of the Passenger Services


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Demonstrator GSM/VoIP Architecture


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FAP Service Monitoring & Control Page


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ILA Demonstrator


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Demonstrator Flight Video


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Trial Results


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Trial Results – QoS Support

FTP communication

HTTP communication

GSM

VoIP 2 (silence detection)

0

2000

4000

6000

8000

10000

12000

0 100 200 300 400 500

FTPHTTPGSM/VoIP

time [s]


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Outline

Introduction / Project Information

Last Year Audit Comments

Business Aspects: Business Model, Billing and Satellite Roadmap


Channel and Interference Modelling

Demonstrator Implementation and Trials

Trial Results

Licensing and Certification

Dissemination, Impact/Exploitation


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4 journal papers + 32 conference papers

8 press releases, numerous yellow presses

TV spots

6 newsletters (~ 180 subscribers, mostly from target industries)

7 ongoing PhD works on WirelessCabin subjects

1 patent granted, 2 more submitted

Contribution to clusters Sb3G, ASMS-TF, COST 272, IST summit, concertation meetings

Public material on website for download

Dissemination


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Yellow Press


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November 2003

3 day event

Co-organised by Airbus D and WirelessCabin

250 registered participants from aviation industry and airlines

8 invited panel sessions ranging from technology, trials to licensing and standardisation

WirelessCabin demo

WAEA Wireless Onboard Workshop


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ILA Demonstrator


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WirelessCabin – Success for European Industry

WirelessCabin has achieved profound impact in aviation industry.

At project start, only limited possibilities for wireless data communications were

available, and mobile telephony was considered as unlikely and risky.

Today,

WirelessCabin project has opened up a new business direction for airline

operators, manufacturers and telecommunications operators

support of standardization groups have paved the way for industrial roll-out of

services

major aeronautical service providers have mobile telephony on their roadmap


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Airbus has announced the creation of a joint venture between Airbus, SITA and

Tenzing to roll-out GSM and IP services - ONAIR


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Inmarsat has announce support for aeronautical GSM services

for their existing Aero-H, Swift and future BGAN services


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WirelessCabin has taken off …

Thank you for your attention !

Documents

WirelessCabin, EC Project IST-2001-37466 DLR 2003, all rights reserved WirelessCabin Results WirelessCabin Development and Demonstrator of Wireless Access