Table 4 State-of-the-art comparison.

From: Defected ground structure antenna array with metasurface inspired interlinked CSRR for 5G millimeter wave applications

Ref.

Dimensions (mm3)

Frequency band (GHz)

Gain (dBi)

No. of arrays

22

4.8 × 2.9 × 0.762

26

9.7

2

23

20 × 18.9 × 0.5

27

6

2

24

75 × 75 × 0.6

28

10.5

4

25

45 × 3.2 × 1.4

26/28

7.3

1

26

50 × 15 × 0.2

28

10

1

27

10 × 18 × 0.508

28.8

6.5

4

28

20.5 × 12 × 0.79

28

8.1

2

Proposed work

32 × 32 × 0.8

26/28.25 GHz

13.5

4

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