vlc technical seminar report
DESCRIPTION
Visible light communicationTRANSCRIPT
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TECHNICAL SEMINAR REPORTON
VISIBLE LIGHT COMMUNICATIONS
Presented byM. Jashwanth
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INTRODUCTION
New communication technology using “Visible Light”.
Eliminates most drawbacks of transmission via electromagnetic waves outside the visible spectrum.
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TRANSMITTING DEVICES
It uses • fluorescent lamps (ordinary lamps, not special
communications devices) to transmit signals at 10 Kbit/s, or
• LEDs for up to 500 Mbit/s.
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General Characteristics
• Eye safety• Security : What You See Is What You Send.• Health : Harmless for human body• Unregulated : no regulation in optical
frequency• Using in the restricted areas : aircraft,
spaceship, hospital
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VISIBLE LIGHT COMMUNICATION PROCESS
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A SOUND COMMUNICATION SYSTEM
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APPLICATIONS
• Defense & Security• Mobile Connectivity• Hospitals & Healthcare• Aviation & Underwater Communications• Vehicle & Transportation• Energy Efficient Communication
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CONCLUSION
• VLC is a safe technology• It has the potential to deliver high data transfer
rates.• Light radiation neither constitutes nor suffers
from electromagnetic interference (EMI) making VLC a very attractive technology.
• It can be used where security of local communication is important e.g. defense and other applications.