Dual Band and Beam-Steering Antennas Using Reconfigurable Feed on Sierpinski Structure

Table 4

Comparison of the proposed antenna with other dual band reconfigurable antennas.

Reference	Dimensions; (mm × mm × mm)	Bandwidth; (GHz)	Peak gain; (dBi)	Characteristics
[19]	80 × 80 × 3.04; (19,456 mm^3)	3.72–3.84; 4.64–4.76	9.2; 9.3	4-feed/2 square-loop
[20]	70 × 30 × 0.8; (1,680 mm^3)	1.56–1.58; 2.39–2.5	2.1; 2.7	Using a folded slot with a branch edge
[21]	160 × 170; (27,200 mm^2); The height was not mentioned.	2.41–2.59; 5.56–5.98	0.1; 0.2	4-element array/8 PIN diodes
[22]	60 × 60 × 40.8; (146,880 mm^3)	2.31–2.76; 4.92–5.22	3.54; 7.77	Frequency-selective reflector
This work	100 × 100 × 1.6; (16,000 mm^3)	2.44–3.13; 4.67–5.44	5.06; 5.93	3-feed/fractal structure