The fundamental objective of Near Field Communication (NFC) research is to help readers better understand the market in terms of definition, segmentation, market potential, noteworthy trends, and the challenges that major regions and emerging countries face. This study will help readers obtain a comprehensive grasp of the market. Statistics and market data have been acquired from trustworthy sources such as websites, annual reports, newspapers, and other publications, and have been reviewed and validated by industry experts.
NFC delivers data speeds of 106 Kb/s, 212 Kb/s, 424 Kb/s, or 848 Kb/s which is enough to move small pieces of information almost instantaneously. NFC is very similar to RFID however the biggest difference between the two technologies is that RFID provides one-way communication while NFC provides two-way wireless communication.
NFC-enabled devices have inbuilt NFC chips which consist of RF circuits, amplifier, clock, microcontroller, and some memory to send/receive the data. Of the two NFC-enabled devices, at least one of them should be active (i.e., externally powered) and the other device can be either active or passive. Examples of active NFC devices include smartphones, security pads, tablets, or payment terminals while smart cards are passive NFC devices.
Modes of NFC
An active NFC device can work in three modes: peer-to-peer, read/write mode, and card emulation.
Peer-to-peer mode (P2P): In this mode, two NFC-enabled active devices (for example, two smartphones) directly share files and information. While one smartphone sends data, the other one act as receiving device. In this mode, both the devices generate the radio wave alternatively at a carrier frequency of 13.56 MHz.
Read/write mode: In this mode, an NFC-enabled active device reads data from an NFC-enabled passive device (tag) or writes data on the tag by generating the radio wave alternatively at a carrier frequency of 13.56 MHz.
Card emulation mode: In this mode, the NFC-enabled active device acts as a passive device to communicate with the receiver terminal. The active device does not generate any radio waves, but it responds to the receiver terminal for requested data transfer.
Applications of NFC
NFC allows one-way or two-way wireless communications and is used in many applications such as paying bills, passports & ID cards, exchanging business cards, downloading coupons, or sharing a research paper, social networking for sharing photos/videos/files, gaming, and sports applications.
