Premium
High‐gain cavity antenna combining AMC‐reflector and FSS superstrate technique
Author(s) -
Boukern Dounya,
Bouacha Abdelhafid,
Aissaoui Djelloul,
Belazzoug Massinissa,
Denidni Tayeb A.
Publication year - 2021
Publication title -
international journal of rf and microwave computer‐aided engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.335
H-Index - 39
eISSN - 1099-047X
pISSN - 1096-4290
DOI - 10.1002/mmce.22674
Subject(s) - reflector (photography) , antenna (radio) , radiation pattern , side lobe , periscope antenna , antenna measurement , antenna gain , antenna efficiency , optics , materials science , computer science , telecommunications , physics , light source
In this paper, a Fabry‐Perot cavity antenna with an improved gain using AMC‐reflector and FSS superstrate approaches is proposed. The antenna is designed at 5.8 GHz for IoT applications, it constitutes of I‐shaped slot antenna, an artificial magnetic conductor (AMC) reflector and a superstrate of frequency selective surfaces (FSS). Three antenna configurations are provided to improve the gain and reduce the side lobe levels (SLL). First, an I‐shaped slot antenna operates at 5.8 GHz, is proposed. The second configuration provide an AMC reflector layer, placed under the antenna, to degrade SLL in the desired band. Finally, three FSS superstrate layers located above the I‐shaped slot antenna in order to maximize the level of the main lobe. An experimental prototype is fabricated, tested and presented to demonstrate the proposed antenna design. Simulated and experimental results, in terms of reflection coefficient, radiation pattern and gain, are presented and discussed to assess the proposed antenna design.