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Compact wide band directional antenna using cross‐slot artificial magnetic conductor (CSAMC)
Author(s) -
Pandit Vivek Kumar,
Harish Ayengar R.
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.21577
Subject(s) - conductor , standing wave ratio , wideband , radiation pattern , optics , bandwidth (computing) , reflector (photography) , antenna (radio) , materials science , acoustics , computer science , physics , microstrip antenna , telecommunications , light source , composite material
In this article a novel wide‐band artificial magnetic conductor (AMC) based wideband directional antenna is presented for ultra‐wideband (UWB) applications. The proposed novel cross‐slot AMC (CSAMC) achieves wide ±90° reflection phase bandwidth of 4.07 GHz (44.69%) and is used as a reflector. The overall antenna structure is designed with 4 × 4 CSAMC unit cell array and has very compact size of (0.584λ 0  × 0.584λ 0 ). The proposed structure improves the radiation properties and exhibits 91.5% (3.13‐8.41 GHz) impedance bandwidth (VSWR ≤2). Additionally, it results in significant improvement in gain and front to back ratio. The proposed antenna is fabricated and its measured performance is in good agreement with simulation results.

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