Table 6 Comparison between various antenna in the literature and tri-band offset feed OCSRR resonator etched rectangular monopole.
Ref. no. | Procedure used | L * W (mm2) | Centre frequency (GHz) | Analysis of equivalent circuit | Verification of metamaterial property |
|---|---|---|---|---|---|
Hexagonal patch, fractal | 75 × 75 | 1.575, 5.9,7.2 | Not presented | NA | |
Triangular patch, slot | 30 × 28 | 1.6, 2.8, 5.7,9.6 | Not presented | NA | |
Cresent shape patch | 31 × 35 | 11.30, 18.07, 20.72 | Not presented | NA | |
Fractal, L shape slot and SRR | 30 × 24.8 | 3.3, 5.5, 7.3,9.9 | Not presented | Not Presented | |
U slot | 30 × 40 | 1.8, 2.4,3.5 | Not presented | NA | |
SRR | 22 × 24 | 2.48, 3.49 | Not presented | Not presented | |
QWSIW, fractal, CSRR | 23 × 20.5 | Between 4.96 to 5.88 (tunable by rotating the CSRR) | Not presented | Not presented | |
CSRR and reduced ground | 20 × 25 | 4.5, 8 | Not presented | Not presented | |
Slot, ELC, Koch Fractal | 40 × 40 | 1.5, 3.5, 5.4 | Not presented | Not presented | |
ELC | 35 × 35 | 3.77, 5.4 | Not presented | Not presented | |
Slot | 18.65 × 14 | 10 | Not presented | Presented | |
DRA | 50.01 × 50.01 | 5.8 | Presented | Not presented | |
Fractal, CSRR | 35.94 × 38.97 | 3.62, 7.82 and 10.58 | Not presented | Not presented | |
Double-layered FSS-backed miniaturized microstrip antenna with dipole strip array reflector | 12.7 × 12.7 | 3.5 and 5.7 | Presented | Presented | |
TFSA + FSS + reflector | 30 × 30 | 3.15–4.20 and 4.38–7.03 | Presented | Presented | |
OCSRR inspired rectangular antenna (proposed) | Offset feed, OCSRR | 27.84 × 23.25 | 3.16, 3.82, 5.41 | Presented | Presented |
