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 |