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Table 2 Comparison with the published CP antennas

From: A monopole broadband circularly polarized antenna with coupled disc and folded microstrip stub lines

References

IBW (S11 < –10 dB) (GHz)

3-dB ARBW (GHz)

Antenna size (λ03)

Peak Gain (dBi)

Type

[7]

3.48–7.83

4.58–7.23

0.5 × 0.5 × 0.02

1.9

CPW

[17]

5.67–5.86

5.67–5.86

1.61 × 0.38 × 0.019

0.48

CPW

[18]

1.9–14.3

1.9–5.9

0.64 × 0.64 × 0.01

4

CPW

[19]

3.1–17.5

5.96–10.58

0.8 × 0.66 × 0.02

5

CPW

[20]

2.76–14.82

4.27–6.13

0.41 × 0.41 × 0.01

3

CPW

[31]

4.42–6.55

5.20–6.00

1.4 × 1.4 × 0.057

4.4

CPW

[32]

4.73–9.00

4.80–7.40

0.8 × 0.8 × 0.3

8.6

Microstrip

[33]

4.20–9.05

5.40–8.65

0.625 × 0.625 × 0.02

3.1

CPW

[34]

5.7–6.75

5.19–6.78

1.35 × 1.35 × 0.03

3.5

Coaxial

This work

6.05–13.62

6.05–9.06

0.61 × 0.62 × 0.02

3.28

CPW

  1. IBW impedance bandwidth, ARBW Axial ratio bandwidth