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International Journal of Antennas and Propagation
Volume 2011, Article ID 480717, 7 pages
Application Article

Characteristics and Application of a Novel Loop Antenna to UHF RFID Receivers

School of Electronics and Information, Northwestern Polytechnical University, Xi'an 710072, China

Received 4 May 2011; Revised 5 August 2011; Accepted 5 August 2011

Academic Editor: Ahmed A. Kishk

Copyright © 2011 Zijian Xing et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


A broadband two-layer and two quasihalf loops antenna (TTLA) at UHF is characterized and analyzed for ultrahigh frequency (UHF) near-field radiofrequency identification (RFID) applications. The antenna is investigated in terms of impedance matching and distribution of magnetic field as well as applied in two scenarios which are the experiments of interrogation range and receiver circuit of RFID systems.