Особливості використання радіочастотної ідентифікації в Інтернеті речей

Abstract

The paper shows that RFID technology is the most suitable technology for interacting with or tracking physical objects on the Internet of Things. The use of RFID tags has a positive effect on energy savings: the device does not need to send data about itself, the reader will receive all the necessary information the RFID tag located on the body. You can record service information about the device`s operation or network address. Modern RF tags have enough space to store network address information. This is especially true with the gradual transition IPv4 to IPv6. The use of RFID identification has a positive effect on readability. Unlike QR code and bar code, when working with RFID tags there is no need for precise positioning of the tag: it is enough to be within the range of the recording and reading device at a distance. The general characteristics of RFID-devices, the formulation of requirements for them, the justification of the generalized structure of the RFID-device, the definition of operating frequency ranges are given. The conducted analysis shows that passive and semi-active microwave sensors with practically unlimited lifetime have significant advantages in the implementation of RFID device. The main advantages of such RFID devices are: the readability of the information does not require direct visibility of the RFID device, so they can be located inside an unshielded object (ensuring its secrecy and preservation); high speed of information removal, which allows to poll up to 1000 sensors per second or to conduct a parallel poll of sensors; the ability to obtain information and make the necessary correction to the operation of the sensor at a considerable distance; durability (especially for passive and semi-active sensors); high degree of security, which is achieved by the ability to encrypt data in sensors with memory elements; resistance to the environment, since the sensor can always be placed in a protective polymer shell.