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LI-FI graduation project

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by

Ahmed Hawary

on 17 December 2014

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Transcript of LI-FI graduation project

LI-FI TRANSCEIVER with high Data Rate
VLC Technology
"what you see is what you send"
Solution idea
-Problem Statement
Hot spots
$1.25
thursday, December 11, 2014
Vol XCIII, No. 311
LIGHT FIDELITY TRANSCEIVER G-P
Table Of Contents:
LI-FI graduation project
1- Menna Nabil Morad. Sec:2
2- Mustafa Kamel Shehata. Sec:2
3- Ahmed Yousry Mohamed. Sec:1


-Problem Statement
-Solution
-Technical background
-Block diagram
-Hardware Description
-Software Description
-Applications
-Time Table


- Air Cabins
- petrochemical fields
- Under Water
-Surgery Rooms
-conference halls

-Electromagnetic Spectrum
-Technical Background
history Of VLC

-Light Fidelity


the latest technology
of VLC



Safe for health
Secure
No interference on RF signals
High speed 10.000 times ( theoretical)
Confined to small geographical area
Free spectrum.





Connectivity while moving
Multi-user support
Dimming
Shadowing
Confined to small geographical area



PROS

CHALLENGES

TRANSCEIVER B.D.
history of LI-FI
Dr. Mostafa Afgani

Prof. Harald Haas

Dr. Gordon Povey

Arduino Microcontroller
Transmitter
B + Phosphor LED

Advantages:
Brighter
Longer life
Low cost
Photo Detector

Photodiode silicon
Fiber Photodetector
price : 350 LE
price : 10
proteus
electronics design and simulation
Time Table
Arduino Uno Chip

Higher cost
Potentially higher bandwidth
Potential for WDM
Modulation without colour shift

RGB LED :
Prototype description
Mp3 File transmission through LASER beam
Optical Filter
selectively transmit
light of different wavelengths.
Arduino C Programming
Matlab
Software description
Data processing
modulation techniques
for Optical noise prevention.
receiving unit
Applications Indoor
Applications Outdoor
under supervision of
DR/ Tarek Abdel Mageed
Full transcript