Table 2 Performance comparison of the proposed multiband offset MIMO antenna with existing state-of-the-art antennas.

From: A high gain multiband offset MIMO antenna based on a planar log-periodic array for Ku/K-band applications

References

Antenna elements, ports

Operating frequency (GHz) (|S11|< − 10 dB)

MIMO antenna volume (mm)3

Minimum isolation (dB)

Maximum ECC

Peak gain (dBi)

Radiation efficiency (%)

3

2, 2

7.1–7.3, 8.4–8.6

42 × 17 × 1.6

13

0.015

1.6–5.3

72–96

4

6, 6

0.727–1.066, 5.28–6.2, 1.7–1.9, 5.5–5.8, 7.2–8.9

117 × 65 × 0.762

14.5

0.027

− 1.59–9

84–94

5

2, 2

1.881–1.943, 2.371–2.51, 3–11

57.25 × 33 × 1.6

14.2

0.047

0.75–5.5

72–94

6

10, 10

3.4–3.8, 5.15–5.92

150 × 80 × 0.8

11

0.15

− 1–3.5

40–80

7

2, 2

2.71–2.82, 3.73–4.64, 5.14–6.72, 7.52–8.53, 8.66–9.41

36 × 20 × 1.4

15

0.003

1–2.8

88–96

8

2, 2

1.86–3.84

100 × 55 × 1.6

13

0.14

3.2–3.87

45–76

9

4, 4

1.41–1.62, 2.4–2.462, 3.1–12.8

56 × 56 × 1.6

12

0.4

1.3–2.14

50–87

This work

4, 2

12.82–12.98, 13.54–13.96, 14.81–15.15, 17.7–18.52, 21.1–22.1

55 × 45 × 1.57

23.5

0.03

4.2–10.7

72–97

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