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AIRBORNE INTERNET AIRBORNE INTERNET
By
A.Venkteshwar
(06N41A0556)
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ContentsContents
Introduction
Satellite Internet
Airborne Internet
Net takes Flight
Implementation Systems
NASA sub-space Plans
Conclusion
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IntroductionIntroduction
Airborne Internet is a private, secure and reliable peer-to-
peer aircraft communications network that uses the same
technology as the commercial Internet.
It is an implementation which connects aircraft to a ground-
based Internet access node, including the information which
is passed across this communication link.
It is useful in providing the information about weather,
surrounding airspace environment and for aircraft-to-aircraft
communications.
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This Airborne Internet (A.I.) is an approach to provide
a general purpose, multi-application data channel to
aviation.
A primary application for A.I. is to track aircraft for
the air traffic control system.
A.I. began as a supporting technology for NASA·s SmallAircraft Transportation System (SATS).
The principle behind the A.I. is to establish a robust,
reliable, and available digital data channel to aircraft.
Airborne InternetAirborne Internet
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How does satellite InternetHow does satellite Internet
operate?operate?
Satellite Internet does not use telephone lines or cable
systems, but instead uses a satellite dish for two-way
(upload and download) data communications.
Upload speed is about one-tenth of the 500 kbps
download speed. Cable and DSL have higher download
speeds, but satellite systems are about 10 times faster
than a normal modem.
Firms that offer or plan to offer two-way satellite
Internet include StarBand, Pegasus Express, Teledesic and
Tachyon.
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TWOTWO--WAY SATELLITE WAY SATELLITE
Two-way satellite Internet consists of:
Approximately a two-foot by three-foot dish
Two modems (uplink and downlink)
Coaxial cables between dish and modem.
The key installation planning requirement is a clear
view to the south, since the orbiting satellites are over
the equator area. And, like satellite TV, trees and heavy
rains can affect reception of the Internet signals.
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How the Airborne InternetHow the Airborne Internet
W ill W ork W ill W ork
The following are the Firms which initiated thelaunching of Aircraft.
Angel Technologies ² A H ALO Overhead
Aero Vironment ² NASA·s Helio Aircraft
Sky Station International ² Blimps.
airspace
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The Net Takes FlightThe Net Takes Flight
Bandwidth of satellite and airborne Internet access are
typically the same, and it takes less time.
The airborne-Internet aircraft will circle overhead at an
altitude of 52,000 to 69,000 feet (15,849 to 21,031 meters).
An airborne network will immediately overcome the last
mile as soon as the aircraft takes off.
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The airborne Internet won't be completely wireless.
There will be ground-based components.
The networks will also work with established Internet
Service Providers (ISPs).
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Airborne-Internet systems will require that an antennabe attached to the side of your house or work place.
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IMPLEMENTATION S Y STEMS:IMPLEMENTATION S Y STEMS:
A HALO Overhead
The Angel Technologies is developing an air borne internet network
through its HALO Network. The centerpiece of this network is the
Proteus plane, which will carry wireless networking equipment into
the air.
The Proteus plane will carry the network hub for the HALO Network
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The Proteus plane, developed by Scaled Composites is
designed with long wings and the low wing loading needed
for extended high-altitude flight. Wing loading is equal to the
entire mass of the plane divided by its wing area.
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This diagram shows how the HALO Network will enable a high-speed
wireless Internet connection
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FloatingOn AirFloatingOn Air
Sky Station International
Sky Station International is counting on its blimps,in
the race to deliver high-speed Internet access from high
altitudes and calls them as lighter-than-air platformsand plans to station these airships,one over each city.
Each station would fly at an altitude of 13 miles (21
km) and provide wireless service to an area ofapproximately 7,500 square miles (19,000 square km).
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NASA's SubNASA's Sub--space Plans:space Plans:
NASA is also playing a role in a potential airborne Internet system
being developed by AeroVironment.
The Helios aircraft will be equipped with telecommunications
equipment and stay airborne for six months straight.
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ConclusionConclusion
Thus this airborne internet technology has a wide range of
utilities in the field of aviation services like aircraftmonitoring and air traffic management, weather information
etc.,
It also provides an opportunity for the passengers to access
the internet at very high altitudes that is, in the aeroplanes
and other conventional services. Thus it is a further newtrend in this mobile world which is establishing the
connectivity by building network in the air.
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REFERENCES:REFERENCES:
www.airborneinternet.org
airborneinternet.pbwiki.com
spacecom.grc.nasa.gov /icnsconf/docs/2006/
02_Session_A1
acb100.tc.faa.gov/Briefing s/Sept28,2005Keegan
ieeexplore.ieee.org/iel5/10432/33126/
01559440.pdf?arnumber=15594
www.tc.faa.gov/act4/insidethefence
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Thank you«!!Thank you«!!