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

Figure 1

Geometry of the proposed UWB antenna. (𝑤1=1.16 mm, 𝑚1=10 mm, 𝑚2=6 mm, 𝑡1=0.6 mm, 𝑡2=2.1 mm, 𝑧=13 mm, ℎ=3 mm, 𝑎=5.6 mm, 𝑏=3.5 mm, 𝑟1=6.4 mm, 𝑟2=8.5 mm, 𝑟3=12 mm, 𝑟4=12.5 mm, 𝑘=19 mm, 𝑑=11.9 mm, 𝑊=25 mm, and 𝐿=26 mm.)