near field communication

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near field communication

  1. 1. Presented by :- NITISH TANWAR
  2. 2.  It stands for Near Field Communication.  It is a short range, high frequency, low bandwidth and wireless communication technology between two device over about 10 cm.  It is based on RFID Technology.  It allows users to seamlessly share content between digital devices, pay bills wirelessly or even use their cellphone as an electronic traveling ticket on existing contactless infrastructure already in use for public transportation.
  3. 3. HISTORY 2002- Sony and Philips agreed on establishing a new technology specification and created a technical outline on March 25, 2002. 2004-Nokia, Philips and Sony established the Near Field Communication (NFC) Forum. 2006- Initial specifications for NFC Tags. 2006- Nokia 6131 was the first NFC phone. 2010- Samsung Nexus S: First Android NFC phone. 2011- Google I/O "How to NFC" demonstrates NFC to initiate a game and to share a contact, URL, app, video, etc. 2013 Samsung and Visa announce major partnership to develop mobile payments.
  4. 4. Working Principle • NFC work on the principle of RFID (Radio Frequency Identification). • Types of coupling in RFID: Backscatter coupling Capacitive coupling Inductive coupling
  5. 5. Operation of nfc • It is based on inductive coupling • NFC works using magnetic induction between two antennas located within each others near field
  6. 6. MODES OF OPERATION PASSIVE MODE ACTIVE MODE
  7. 7. In Active mode, both devices with NFC chip generates an electromagnetic field and exchange data. ACTIVE MODE
  8. 8. In Passive mode, there is only one active device and the other uses that field to exchange information. PASSIVE MODE
  9. 9. Applications of NFC • NFC applications can be split into the following three basic categories: Touch and Go Touch and Confirm Touch and Connect
  10. 10. Applications such as access control or transport/event ticketing, where the user needs only to bring the device storing the ticket or access code close to the reader. Example for picking up an Internet URL from a smart label on a poster. Touch and Go
  11. 11. Applications such as mobile payment where the user has to confirm the interaction by entering a password or just accepting the transaction. Touch and Confirm
  12. 12. Linking two NFC-enabled devices to enable peer to peer transfer of data such as downloading music, exchanging images or synchronizing address books. Touch and Connect
  13. 13. Using NFC to Pay for Parking Using an NFC-enabled Phone to Exit a London Train Station
  14. 14. A Bus Rider in China Uses Her Phone to Redeem Her Pass Using an NFC-enabled Phone for Transport Entry in Japan
  15. 15. “Touch and Travel” with an NFC- enabled Phone in Germany
  16. 16. Comparison with Existing Technology
  17. 17. Advantages Of NFC • High convenience to the user, because the data exchange is done by bringing two mobiles together. • Secure communication. • No special software. • No manual configuration and settings. • No search and pair procedure.
  18. 18. Limitations Of NFC • The system has the limitation that it can be operated only with devices under a short range i.e around 10 cm. • The data transfer rate is very less at about 106kbps, 212 kbps and 424kbps.
  19. 19. Future of NFC • New generations of iPhone, iPod and iPad products would reportedly be equipped with NFC capability which would enable small-scale monetary transactions. • Recently, Microsoft announced that all Windows 8 Phone devices will make use of the NFC technology.

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