Research Article

Design and Modeling of New UWB Metamaterial Planar Cavity Antennas with Shrinking of the Physical Size for Modern Transceivers

Figure 13

Simulated two-dimensional (2D) radiation gain patterns of the proposed antenna composed of six unit cells in elevation plane ( ) and at operation frequencies: (a) at 4.3 GHz, (b) at 6 GHz, (c) at 9 GHz, (d) at 18.6 GHz.
562538.fig.0013a
(a)
562538.fig.0013b
(b)
562538.fig.0013c
(c)
562538.fig.0013d
(d)