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Dual ISM band printed antenna with omnidirectional radiation pattern and better radiation efficiency
Author(s) -
Biswas Priyabrata,
De Srija,
Bag Biplab,
Chanda Sarkar Debasree,
Biswas Sushanta,
Sarkar Partha Pratim
Publication year - 2019
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.21780
Subject(s) - omnidirectional antenna , radiation pattern , antenna (radio) , antenna efficiency , coaxial antenna , monopole antenna , antenna measurement , optics , dipole antenna , computer science , materials science , physics , telecommunications
Designing a high gain planar antenna on the low‐cost FR4 substrate is one of the major challenging tasks for the researchers. The omnidirectional radiation pattern is desired for 360° coverage. Both of these requirements have been addressed in this article. This article presents a dual band printed antenna designed on an FR4 substrate of 1.6 mm thickness. The proposed antenna operates in the ISM band of 2.4 and 5.8 GHz for the application of dual‐band WLAN/WIFI. The proposed antenna consists of a circular patch and ring‐shaped ground plane. The overall dimension of the antenna is 66 × 66 × 1.6 mm 3 . Excellent impedance matching and radiation efficiency for both the bands have been achieved. The proposed antenna shows omnidirectional radiation pattern at 2.4 GHz ISM band and nearly omnidirectional pattern along with high gain of 4.7 dBi at 5.8 GHz ISM band.