Table 2 Comparison of the proposed antenna with literature.

From: Quad-port MIMO antenna with high isolation characteristics for sub 6-GHz 5G NR communication

References

Operating frequencies (GHz)

Antenna size (λ)

Gain (dBi)

Bandwidth (%)

Isolation

ECC

Methodology used

34

2.4

1.5 × 1.57

7.95

7.083

 > 30 db

0.02

Single pentagonal patch antenna with probe-feed

35

3.5, 6, 10

0.45 × 0.45

4.7

117.3

 > 15 dB

0.03

Orthogonal circular slots

36

3.6

0.75 × 0.75

4.5

0.4

 > 19

 < 0.12

Hexagonal wide slot ground plane

37

4.81

1.1 × 0.45

1.65

6.65

 > 15

0.02

Transparent Plexiglas substrate

38

29

1 × 0.5

6

3.7

36

0.01

Slits in the radiating patch

39

1.9, 5.9

0.114 × 0.114

4.002

1.27

 > 19

0.06

Ring and Loop slots in patch

40

3.5, 5.5

0.98 × 0.98

5.25

0.12

 > 18–20

0.03

Ring DRA

Proposed antenna

3.56, 5.28

1.06 × 1.06

4.2, 2.8

1.82, 2.8

 > 22 dB

0.04

Stub and Slots in patch