A Compact Size 4–19.1 GHz Heart Shape UWB Antenna with Triangular Patches

Table 1

Comparison of the proposed antenna with the recently published selected antennas.

Work	Bandwidth (GHz)	Size (mm × mm)	Gain (dBi)
[3]	3.12–12.73	12×18	—
[4]	2.7–20	22×22	—
[5]	3–10.7	10×10	~1
[6]	2.9–18	30×30	~3
[7]	2.54–21.08	39×40	~0
[8]	1.8–10.6	25×30	—
[9]	2.77–10.64	12×38	~1
[10]	3–11.2	22×24	~2
This work	4–19.1	25×26	~1