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Bangladesh

&

Online Education

When?

&

How?

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Two Barriers for

Education Online

Scarcity of Devices

Inadequate

Network Facilites

1

2

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Network Service During Natural Disaster

&

Online Education in Pandemic Situation :

A Floating Network Solution from Bangladesh Perspective

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Chittagong University of Engineering & Technology

Dept. of Electrical & Electronic Engineering

4th year

undergraduate

student

Abdullah Al Miraj

Chittagong University of Engineering & Technology

Dept. of Electrical & Electronic Engineering

4th year

undergraduate

student

Tasnia Sultana

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Floating

Internet

Cost

Friendly

Simple Infrastructue

&

Easy Installation

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Basic Structure

#Envelope

#Solar panels:

#Radio antenna

#LTE antenna

#Lithium-ion battery

#Parachute

#Gas cylinder

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Ground Station

Radio Frequency

LEDs and Laser

Downlink Frequency

Antenna

How it works?

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Altitude Control

Balloon 1 at high level

Balloon 2 at low level

After changing the height Balloon 1 at low level

After changing the height Balloon 2 at high level

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Installation in Bangladesh

Partnership with local telecom company

Government fund

Ground Station and antenna installation

Collecting data and floating the balloon according to the right wind direction

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Wind Map

Wind Map of Bangladesh at 30 m elevation

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Stratosphere Region

Wind Flow in Stratosphere Region

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Cost Analysis

Estimated material cost per balloon

Required balloons

Total initial cost

Total cost over 5 years

Revenue per user per month

$17,870

800

$14,089,363.3

$31,788,189.7

$1.87

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Lacking

the length of the ropes exactly right.

Bursting

fold and roll the balloons that would distribute the stress more evenly across the fabric to pin the leaks while transporting.

Leaking

Gas cylinder maintain the volume.

Temperature Problem

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Thank You

Any Question?