Novel Compact CPW-Fed Antennas with Harmonic Suppression and Bandwidth Enhancement

Table 1

Antenna dimensions.

Antenna 1	Antenna 2	Antenna 3
𝐿 1 = 17.3 mm	𝐿 1 = 9.1 mm	𝐿 1 = 20 mm
𝐿 2 = 20 mm	𝐿 2 = 3 mm	𝑅 1 = 15 mm
𝐿 3 = 16.5 mm	𝐿 3 = 9 mm	𝑅 2 = 14 mm
𝐿 4 = 16 mm	𝐿 4 = 18 mm	𝑎 1 = 15 degree
𝑊 1 = 2 mm	𝑊 1 = 𝑊2 = 2 mm	𝑎 2 = 20 degree
𝑔 = 0.2 mm	𝑔 = 0.2 mm	𝑔 = 0.2 mm
𝑊 = 3 mm	𝑊 = 3 mm	𝑊 = 3 mm