What is nfc(4)

Presented By SK. Fahad

NFC

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Near Field Communication

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OUTLINE

• What is NFC?• History• How NFC works• Benefits and features• Application• Comparison • Disadvantage

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What is NFC• NFC is a short-range wireless

technology.• NFC provides unique advantages over

other available wireless technologies. • The design includes a near-field

transmitter and receiver.

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HistoryNokia, Philips and Sony established the Near Field Communication (NFC) in 2004.

Nokia 6131 was the first NFC phone which is launched in 2006.

Samsung Nexus S was the first Android NFC phone which is launched in 2010.

In 2011 NFC support becomes part of the Symbian mobile operating system.

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Nokia 6131

Samsung Nexus s

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How NFC Works :

 NFC works on the principle of magnetic induction.

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Benefits & Features:

• Multiple devices in a small area can communicate with each.

• Maximum transfer bit rate of 424kbit/s.

• No special software is required.• Operation at a frequency of 13.5

MHz .• No ethical concerns due to range.

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Application

• Social networking.• payment.• Identify documents.• Banking Financial.• Education.

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Previously Used Methods

Current & Future Methods

Fig (1) Fig (2)

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PARAMETER NFC BT

Security High Good

Distance 10cm 1m

Modes Active/passive Active

Bit rate 424 kbit/s 1Mbit/s

Frequency 13.56 MHz 2.4-2.5 GHz

Connection Point to point (P2P) Personal area network (WPAN)

Comparison of NFC with Bluetooth

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Disadvantages:• Data transfer rate is small.

• No protection in data modification.

• Working range is small.

• not every mobile phone will be compatible with this technology.

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• www.nfc-forum.org/

• www.nfc.co.nz/

• www.shapeways.com/

For More Info

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