Table 2 Compare the design with the antenna of recent years.

From: Liquid crystal-based reconfigurable antenna for 5G millimeter-wave

References

Tuning element

Operating band (GHz)

Measured tunable range (GHz)

Effective size (mm2)

1

LC

29.4–30.4

3

18 × 14

2

LC

27.7–19.5

-

25 × 25

13

LC

2.0–4.0

0.46

50 × 49.7

4

PIN diode

1.79–2.63

3.07–3.61

4.83–5.66

0.2

0.1

115 × 55

Pro

LC

28.8–31.8

0.5

12.9 × 12

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