wireless technology
DESCRIPTION
TRANSCRIPT
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Wireless TechnologyHario Jati Setyadi 5113202002
Bonda Sisephaputra 5113202012Soetjipto 5113202011
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What is The Wireless Technology???
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Wireless artinya : tanpa kabelWireless technology = Teknologi yang tidak menggunakan kabel/nirkabel.
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802.15.1
WiMAX (Worldwide Interoperability for Microwave Access) Solusi BWA
(Broadband Wireless Access)
point-to-multipoint Solusi untuk Wireless
Metropolitan Area Network
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Light Fidelity
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History
Harald Haas
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Receiving element (detector)
• Avalanche Photo Diode
• Image Sensors
transmission of data through illumination, sending data through a LED light bulb
Transmitting element
• LED
• Fluorescent LampAdvantages• Larger bandwidth (10,000
times the radio bandwidth)
• High efficiency• More availability• Highly secure
Disadvantage• Connectivity while
moving• Multiuser support• Dimming• Shadowing
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COMPARISION BETWEEN LiFi & Wi-Fi
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ApplicationsIn vehicles and traffic light, reducing accidents and traffic congestion
Street lamps(as free access points)
In Aircraft cabins
In RF restricted Environments
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WIRELESS POWER TRANSMISSION
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The transmission of energy from one place to another without using wires
Why not wires?Most of the energy loss is during transmission• On an average, more than 30%• In India, it exceeds 40%
Why WPT?• Reliable• Efficient• Fast• Low maintenance cost• Can be used for short-
range or long-range.
Advantages• No wires• No e-waste• Need for battery is
eliminated• Efficient energy transfer • Harmless, if field strengths
under safety levels• Maintenance cost is less
Disadvantages• Distance constraint• Field strengths have to be under
safety levels• Initial cost is high• In RIC, tuning is difficult• High frequency signals must be the
supply• Air ionization technique is not
feasible
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APPLICATIONS Conclusion
• Transmission without wires- a reality• Efficient
• Low maintenance cost. But, high initial cost• Better than conventional wired transfer
• Energy crisis can be decreased• Low loss
• In near future, world will be completely wireless
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