Research Article
A Novel Compact Microstrip Antenna with an Embedded λ/4 Resonator
Table 3
Comparison of various compact MAs.
| Ref. | Methods | Freq. (GHz) | Size | Gain (dB) | Substrate | FBW (%) |
| [22] | Defected ground structure | 2.45 | 0.2λg × 0.32λg | 2.35 | 4.4 | 6.12 | [23] | Magneto-dielectric metasubstrate | 2.35 | 0.13λg × 0.17λg | 1.34 | 3.5 | 0.89 | [24] | Sierpinski carpet slot | 2.45 | 0.19λg × 0.28λg | 2.69 | 4.7 | 2.85 | [25] | Loaded split-ring resonators | 2.406 | 0.27λg × 0.27λg | −2.02 | 4.02 | 1.04 | The proposed antenna | Embedded λ/4 resonator | 2.59 | 0.22λg × 0.30λg | 4.0 | 2.65 | 1.16 |
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FBW: fractional bandwidth; λg: guide wavelength.
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