December 2009 Issue: Cover Feature

RFID Reader Architectures and Applications

In order to use radio frequency identification (RFID) for wireless communication and real world applications such as supply chain management, asset tracking systems, security and privacy systems, healthcare and commercial applications, library management systems, geographic surface location identification and industrial tracking systems, the study of the nature and characteristics of the reader is an important factor. The purpose of this article is to review and discuss various methodologies aimed at developing the reader's components and remove its interference. It further focuses on the review of future implementation methodologies and performance comparison along with their applications.

From: Vol. 52 | No. 12 | December 2009 | Page 24

by M.B.I. Reaz, National University of MalaysiaSelangor, Malaysia; J. Uddin, S. Hussain, A.N. Nordin and M.I. Ibrahimy, International Islamic University Malaysia Kuala Lumpur, Malaysia; F. Mohd-Yasin, Multimedia University, Selangor, Malaysia

Radio frequency identification, or RFID, is a generic term for technologies that use radio waves to automatically identify people or objects. The purpose of an RFID system is to obtain data programmed in devices, which is then read by an RFID reader and processed for the particular application. The data can provide identification or location information about the product, such as date of purchase or price.

RFID consists of three basic components: A transponder (tag), an interrogator (reader) and an antenna. RFID has a number of standards such as The International Organization for Standardization (ISO), in conjunction with the International Electro-technical Vommission (IEC), Electronic Product Code (EPC) global and the European Telecommunications Standard Institute (ETSI). Moreover, RFID follows some standard frequency ranges that are low frequency (120 to 135 KHz), high frequency (10 to 15 MHz), ultra high frequency (UHF) (850 to 950 MHz) and microwave frequency (2.45 GHz).

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