![Sample our Physical Sciences journals, sign in here to start your FREE access for 14 days]({"type":"image" , "src" : "/sda/110819/TOC-Subject-Sample-2021-Physical-Sciences.jpg"})
Abstract
We propose a miniaturized frequency-reconfigurable multiband antenna with bandwidth enhancement. The main radiating patch is shorted from one edge to reduce the antenna footprint. An inverted U-shape microstrip line is integrated onto the antenna structure to excite more resonant frequencies. Indeed, by shorting the U-shape's arms, seven frequency bands can be created and controlled. The activation of the two p-i-n diodes is ensured by employing a simple symmetrical DC bias network. Furthermore, by adjusting the arms’ lengths, two resonances are combined to enhance the working bandwidth. Measurements reveal that the antenna resonates around the operating frequencies of 2.91 GHz, 3.55 GHz, 3.69 GHz, 3.83 GHz, 4.14 GHz, 4.18, and 4.24 GHz. The antenna exhibits stable patterns, with a measured peak gain and efficiency of 5.5 dBi and 86%, respectively. The antenna is compact; thus, it is recommended in wireless systems requiring multiband function with stable patterns and a reduced area.
Disclosure statement
No potential conflict of interest was reported by the author(s).
Additional information
Notes on contributors
Abdelheq Boukarkar
Boukarkar Abdelheq was born in Algeria. He received the State Engineering degree in electrical engineering from the École Polytechnique, Algiers, Algeria, in 2009, and the M.S. and Ph.D. degrees from the University of Electronic Science and Technology of China, Chengdu, China, in 2015 and 2019, respectively. His current research interests include antenna design, reconfigurable RF/Microwave circuits, and MIMO systems. He has authored more than 10 papers in the field of antenna design. Doctor Boukarkar Abdelheq serves as a reviewer for the following well-known SCI journals:
Satouh Rachdi
Satouh Rachdi was born in Algeria. He received the State Engineering degree and M.S in signal processing from the École supérieur, Algiers, Algeria.
Mohamed Amine Merabet
Merabet Mohamed Amine was born in Algeria. He received the State Engineering degree and M.S in telecommunication from the École Polytechnique, Algiers, Algeria.
Sami Baguigui
Baguigui Sami was born in Algeria. He received the State Engineering degree and M.S in signal processing from the École Polytechnique, Algiers, Algeria.
Khalil Adda Benziane
Adda benziane Khalil was born in Algeria. He received the State Engineering degree and M.S in Microwave and radar from the École Polytechnique, Algiers, Algeria.