Title:
Printed RFID tag antennas with minimal performance degradation when bent
Author(s):
J. Sidén, P. Jonsson, A. Koptioug
Source:
Proceedings of Asia Pacific Microwave Conference 2003, APMC'03, Seoul, South Korea
Vol./Issue/Date:
November 4-7, 2003
Year:
2003
Page(s):
4
Keywords:
Abstract:
In some wireless applications, such as Radio Frequency IDentification (RFID), printed antennas
are attached to non-flat surfaces or flexible substrates such as paper or soft plastics. This might
cause distortion to the communication system because of unwanted bending of the antenna
structure. Previous work has shown that bending of traditional half wavelength dipole antennas
with thin conductors can significantly reduce the operating range of a passive RFID system. In this
paper we investigate if printed dipoles with wide conductive strips is less sensitive to this kind of
distortion. Computer simulations and verifying measurements are used to study the effects of
dipole bending. Results show that a carefully designed printed dipole can be a good choice for
applications where distortion due to bending of antenna structures might occur.
Document:
Reference Id:
115
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