Table 2 Comparison between this work and references.

From: Ultra-wideband circularly polarized cavity-backed crossed-dipole antenna

Ref

Overall size (λ03)

IBW (%)

ARBW (%)

Overlapping BW (%)

Peak gain (dBic)

8

0.85 × 0.85 × 0.20

30.7

15.6

15.6

7.5

9

0.75 × 0.75 × 0.20

57

51

43.5

10.7

10

0.96 × 0.96 × 0.10

66.9

55.1

55.1

10.4

11

Φ1.2 × 0.16

92.8

67.5

67.5

12.4

12

0.57 × 0.57 × 0.25

79.4

66.7

66.7

13

0.70 × 0.70 × 0.18

99.2

72.7

72.7

10.1

14

0.60 × 0.60 × 0.23

93.1

90.9

86.5

8.6

15

0.47 × 0.47 × 0.12

95.5

94.4

93

16

Φ0.87 × 0.18

105.6

96.6

96.6

12

17

0.28 × 0.28 × 0.11

115.2

106.1

106.1

7

This work

0.74 × 0.74 × 0.17

125.2

120.1

120.1

12.2

  1. λ0: wavelength at the lowest frequency of operation band.