basant loon.pptx2
TRANSCRIPT
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Project LOON
Basant joshi
m.c.a iv
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What is project Loon ?
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THE PILOT TEST
Project Loon start in june 2013.
30 balloons , launched from New Zealand’s South Island.
Pilot testers will be used to refine the technology.
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THE TECHNOLOGY
Project Loon balloons float in the stratosphere as twice as high as airplanes and the weather.
They are carried around the Earth by winds and they can be steered by rising or descending to an altitude with winds moving in the desired direction.
People connect to the balloon network using a special internet antenna attached to their building.
The signal bounces from balloons to balloons then to the global internet back on earth.
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STRATOSPHERE
Situated between 10 km and 60 km altitude on the edge of space.
Air pressure is 1% of that at sea level.
Thinner atmosphere offers less protection from the UV radiation and temperature caused by the sun’s rays.
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HOW LOON MOVES
Winds in the stratosphere are generally steady and slow-moving at between 5 and 20 mph and each layer of wind varies in direction.
Project Loon users software algorithms to determine where its balloons need to go, then moves each one into a layer of a wind blowing in the right direction .
By moving the wind ,the balloons can be arranged to form one large communications network.
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HOW THE LOON MOVES
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HOW LOON IS DESIGNED
Envelope
Solar Panels
Equipment
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Enevolope
Solar panels
equipment
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ENVELOPE
Envelope are made from sheets of polyethylene plastic.
A parachute attached to the top of the envelope.
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SOLAR PANELS
Each unit’s electronics are powered by an array of solar panels that sits between the envelope and the hardware.
In full sun , these panels produce 100 Watts of power enough to keep the running while also charging a battery for use at night.
By moving with the wind and charging in the sun , Project Loon is able to power itself using only renewable energy source.
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EQUIPMENT
A small box containing the balloon’s electronic equipment.
This box contains circuit boards that control the
system.
Radio antennas to communicate with other balloons and with internet antennas as the ground.
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HOW LOONG CONNECTS
Each balloon can provide connectivity to a ground area about 40 km in diameter at speed comparable to 3G.
Each balloons is equipped with a GPS for tracking its location.
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HOW LOON CONNECTS
Three radio transceivers
Balloon-to-balloon communication.
Balloon-to-ground communication.
The balloons use antennas equipped with specialized radio frequency technology.
Project Loon currently uses ISM bands that are available for anyone to use.
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ISM BANDS
The industrial , scientific and medical (ISM) radio bands.
Radio bands reserved internationally for the use of radio frequency (FR) energy for industrial scientific and medical purpose other than communications.
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ADVANTAGES
Easy to use.
Speed
Increasing internet usage.
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DISADVANTAGES
Cost
Maintenance
Balloons can work for few week only.
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