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Table 2 Comparison of proposed work with other similar works

From: SRR metamaterial-based broadband patch antenna for wireless communications

Sr. no.

Reference no.

Type of technique used to improve bandwidth

Bandwidth achieved

1.

[14]

Double I shaped ENG metamaterial

80 MHz

2.

[15]

Split ring and metal rods Left-handed metamaterial

1.2 GHz

3.

[16]

Planar left-handed metamaterial, patterned structures

2.9 GHz

4.

[17]

Complementary split ring metamaterial structure

1 GHz

5.

[5]

Merging of three resonant modes

2.07 GHz

6.

[6]

Slotted array technique

920 MHz

7.

[7]

Suspended techniques

227 MHz

8.

Proposed work

Eleven layers of split ring resonator embedded under patch

3.25 GHz