112
Views
6
CrossRef citations to date
0
Altmetric
Articles

Novel UHF RFID Loop Antenna with Interdigital Coupled Section on Metallic Objects

, , &
Pages 366-378 | Published online: 16 Apr 2012
 

Abstract

A small-size printed loop antenna operated at its half guided wavelength (λg /2) mode as the fundamental resonant mode for achieving operation in Taiwan RFID UHF band is presented. The proposed antenna consists of a half guided wavelength loop antenna, inter-digital coupling section and a small U-shaped strip inductance structure. The proposed antenna has a simple structure of comprising shorting via of length about 118 mm to cover the Taiwan RFID UHF bands. Further, the antenna has a simple planar structure and occupies a small area of 30 × 40 mm2 on the system circuit board of the metallic object. This proposed antenna with good matched impedance, compact size, and measured maximum reading range in free-space is about 7.2 m, which can be suitable for RFID applications. Details of the proposed loop are discussed in this paper.

Reprints and Corporate Permissions

Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?

To request a reprint or corporate permissions for this article, please click on the relevant link below:

Academic Permissions

Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?

Obtain permissions instantly via Rightslink by clicking on the button below:

If you are unable to obtain permissions via Rightslink, please complete and submit this Permissions form. For more information, please visit our Permissions help page.