WSEAS Transactions on Communications
Print ISSN: 1109-2742, E-ISSN: 2224-2864
Volume 14, 2015
Study, Design and Optimization of a New Structure of Patch Antenna Linear Array for RFID Applications
Authors: Ali El Alami, Saad Dosse Bennani
Abstract: In this paper, we propose to study and optimize a new structure of a patch antenna linear array to four identical elements. This array is connected in parallel with a microstrip line in the form « T » having a power port adapted to 50 Ω and intended for Radio Frequency Identification applications. The insertion of slots in the structure of the patch antenna array has a direct and positive impact on improving the radiation characteristics in terms of reflection coefficient, voltage standing wave ratio, input impedance and gain over a frequency range of 2 GHz to 3 GHz. The design and optimization have been performed using the simulator HFSS (High Frequency Structure Simulator) based on the finite element method. Next, in order to validate our simulation, we use another electromagnetic simulator CST MWS (Computer Simulation Technology- MicroWaves Studio) which is based on the finite integration method. The simulation results for the four-element linear array show that the reflection coefficient reaches a level of -25.49 dB, the standing wave ratio is strictly less than 2 and the gain is approximately 14.50 dB for the same frequency resonance of 2.4 GHz.
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Pages: 26-32
WSEAS Transactions on Communications, ISSN / E-ISSN: 1109-2742 / 2224-2864, Volume 14, 2015, Art. #4