Table 3 Comparison of intended MIMO antenna and existing MIMO antenna.

From: Physical analysis of high refractive index metamaterial-based radiation aggregation engineering of planar dipole antenna for gain enhancement of mm-wave applications

Ref.

Elements

Frequency

Isolation

ECC

DG

53

4

25–39

 < − 26

 < 0.05

N/A

54

4

23.5–29.4

 < − 22

 < 0.004

N/A

55

4

27.5–40

 < − 16

 < 0.001

N/A

56

2

25–29,37–41

 < − 24

 < 0.001

 > 9.9

57

4

27–30

 < − 29

 < 0.16

N/A

Proposed

4

23–38

 < − 20

 < 1 × 10–3

 > 9.9

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