Fig. 1
From: Gain enhancement for wideband end-fire antenna design with artificial material
![Fig. 1](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs40064-016-3039-y/MediaObjects/40064_2016_3039_Fig1_HTML.gif)
The proposed antenna a: overall view of proposed antenna; b: overall view of conventional antenna; c: Top view of the proposed antenna; d: Bottom view of the proposed antenna