Research Article

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

Figure 11

Simulated two-dimensional (2D) radiation gain patterns of the proposed antenna composed of four unit cells in elevation plane ( ) and at operation frequencies: (a) at 4.3 GHz, (b) at 7 GHz, (c) at 17 GHz, (d) at 18 GHz.
562538.fig.0011a
(a)
562538.fig.0011b
(b)
562538.fig.0011c
(c)
562538.fig.0011d
(d)