Increased operational range for implantable UHF RFID antennas

2014 ◽  
Author(s):  
A. Dubok ◽  
A. B. Smolders
Keyword(s):  
Uhf Rfid ◽  
Operational Range ◽  
Rfid Antennas

scholarly journals Large Metal Objects As Near Field UHF RFID Antennas

2017 ◽  
Vol 1 (1) ◽  
pp. 13-21
Author(s):  
Shuai Yang ◽  
Nicolas Scirocco ◽  
Michael Crisp ◽  
Richard V. Penty ◽  
Ian H. White
Keyword(s):  
Near Field ◽  
Uhf Rfid ◽  
Rfid Antennas

scholarly journals PAPER SUBSTRATES FOR INKJET PRINTING OF UHF RFID ANTENNAS

2020 ◽  
Vol 65 (1) ◽  
pp. 025-036
Author(s):  
Juraj Gigac ◽  
Mária Fišerová ◽  
Maroš Kováč ◽  
Monika Stankovská
Keyword(s):  
Inkjet Printing ◽  
Uhf Rfid ◽  
Rfid Antennas ◽  
Paper Substrates

scholarly journals A Method for Measuring the Radiation Pattern of UHF RFID Transponders

2016 ◽  
Vol 23 (2) ◽  
pp. 163-172 ◽  
Author(s):  
Piotr Jankowski-Mihułowicz ◽  
Mariusz Węglarski
Keyword(s):  
Radiation Pattern ◽  
Classical Theory ◽  
Communication Systems ◽  
Scientific Literature ◽  
System Implementation ◽  
Uhf Rfid ◽  
Radio Communication ◽  
Measuring Systems ◽  
Measurement Results ◽  
Rfid Antennas

AbstractThe operating principles of RFID antennas should be considered differently than it is applied in the classical theory of radio communication systems. The procedure of measuring the radiation pattern of antennas that could be applied to RFID transponders operating in the UHF band is seldom discussed correctly in the scientific literature. The problem consists in the variability of the RFID chip impedance that strongly influences measurement results. The authors propose the proper methodology for determining the radiation pattern with respect to an individual transponder as well as an electronically tagged object. The advantage of the solution consists in the possibility of using components of different measuring systems that are available in typical antenna laboratories. The proposed procedure is particularly important in terms of parameter validation - the identification efficiency and costs of an RFID system implementation can be evaluated properly only on the basis of real values of considered parameters.

Improving radiation characteristics of UHF RFID antennas by zigzag structures

2011 ◽  
Author(s):  
Van Hieu Nguyen ◽  
Hong Phuong Phan ◽  
Manh Ha Hoang ◽  
Dat Son Nguyen ◽  
Mau Chien Dang ◽  
...  
Keyword(s):  
Uhf Rfid ◽  
Radiation Characteristics ◽  
Rfid Antennas

scholarly journals PASSIVE UHF RFID TAGS WITH THERMAL-TRANSFER-PRINTED ANTENNAS

2021 ◽  
Vol 55 (2) ◽  
pp. 277-282
Author(s):  
Juraj Gigac ◽  
Mária Fišerová ◽  
Maroš Kováč ◽  
Svetozár Hegyi
Keyword(s):  
Rfid Tags ◽  
Uhf Rfid ◽  
Transfer Printing ◽  
Printed Antennas ◽  
Passive Uhf Rfid ◽  
Thermal Transfer ◽  
Coating Composition ◽  
Pet Film ◽  
Rfid Antennas

Papers for the thermal transfer printing of UHF RFID antennas were prepared by coating and calendering. Real and imaginary components of the impedance of the UHF RFID antennas depended on their design, coating composition and conditions of paper calendering. Passive UHF RFID tags were constructed from antennas and chips whose real and imaginary components of impedance in the 860–960 MHz frequency band were at approximately the same level. The communication quality of passive UHF RFID tags was evaluated by measuring the reading range using the designed UHF RFID reading unit. The reading range of experimental UHF RFID tags with printed antennas on paper and commercial UHF RFID tags with chemically etched antennas on a PET film were identical in the 860 MHz frequency.

UHF RFID Antennas

RFID Systems ◽  
2010 ◽  
pp. 57-98 ◽  
Author(s):  
Daniel Deavours
Keyword(s):  
Uhf Rfid ◽  
Rfid Antennas
Sign in / Sign up

Export Citation Format

Share Document