| | Reference | Size (mm)3 | Operating bands (GHz) | Bandwidth (GHz) and fractional bandwidth (%) | Average peak gain (dBi) |
| | [1] | 30 × 30 × 0.8 | 3.4–7.62 | 4.22 () | 4 | | [2] | 36 × 26 × 1.6 | 2.4–2.48 and 5.15–5.35 | 0.08 (3.3) and 0.2 (3.8) | 3.6 | | [3] | 30 × 20 × 1.6 | 2.14–2.52, 2.82–3.74, and 5.15–6.02 | 0.38 (16.3), 0.92 (), and 0.87 (15.6) | 2.46, 2.45, and 3 | | [4] | 30 × 18 × 1.6 | 2.39–2.69, 3.38–3.73, and 5.0–5.99 | 0.3 (11.8), 0.35 (9.8), and 0.99 () | 2.52, 2.37, and 4.15 | | [5] | 37 × 20 × 0.508 | 2.4–2.65, 3.3–4.05, and 5–5.98 | 0.25 (9.9), 0.75 (20.4), and 0.98 (17.8) | Not mentioned | | [6] | 95 × 56 × 1.57 | 0.88–0.96, 1.22–1.26, and 1.56–2.7 | 0.08 (8.7), 0.04 (3.22), and 1.14 (53.5) | 2.8, 3.1, and 3.2 | | [9] | 30 × 25 × 1.6 | 2.47–2.73, 3-4, and 4.88–6.12 | 0.26 (), 1 (28.6), and 1.24 (22.5) | 3.7, 3.1, and 4.8 | | [10] | 50 × 35 × 1.6 | 2.05–2.86 and 5.55–6.14 | 0.81 () and 1.24 (22.5) | 3.73 and 3.59 | | [11] | 34.5 × 18 × 1.6 | 2.35–2.49, 3.27–3.8, and 4.65–5.89 | 0.14 (5.8), 0.53 (), and 1.24 (23.5) | 2.84, 2.28, and 4.29 (peak gains at center frequency) | | [12] | 22 × 28 × 0.8 | 2.49–2.66, 3.41–3.73, and 4.73–5.93 | 0.17 (6.6), 0.32 (), and 1.2 (22.5) | 3, 4.2, and 4.5 (peak gains at center frequency) | | [14] | 50 × 35 × 1.6 | 0.86–0.98, 1.7–2.5, and 4.72–6.61 | 0.12 (), 0.8 (), and 1.9 (33.4) | 1.13, 2.01, and 3.74 | | Proposed antenna | 25 × 10 × 1.6 | 2.22–2.55 and 4.8–6.5 | 0.33 (13.8) and 1.7 () | 2.2 |
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