Research Article
Design of a Compact Quad-Band Slot Antenna for Integrated Mobile Devices
Table 1
Performance comparison of the proposed antenna with other reported antennas.
| Reference | Size | Operating bands (GHz) | Peak gain (dBi) | Remarks |
| [2] | 60 × 12 | 0.9–1.9 | 5.2 | Few useful frequency bands or too large overall size | [3] | 40 × 35 | 2.26–2.42, 3.29–3.6 | 3.3 | [4] | 40 × 10 | 2.38–2.52, 3.40–3.62 | 2.7 | Few useful frequency bands | [5] | 23 × 36.5 | 2.33–2.76, 3.05–3.88, 5.57–5.88 | 3.0 | Only >2.3 GHz applications | [6] | 38 × 25 | 2.4–2.7, 3.1–4.15, 4.93–5.89 | 2.9 | [7] | 29 × 28 | 0.79–0.92, 1.71–2.28 | 3.25 | Few useful frequency bands | [8] | 60 × 60 | 1.55–1.57, 2.395–2.695, 4.975–5.935 | 3.7 | Too large overall size | [9] | 40 × 20 | 0.82–2.69, 5.15–5.825 | 3.5 | Incomplete coverage of WIMAX/WLAN applications | [10] | 20 × 20 | 2.33–2.809, 3.36–3.54, 5.811–5.987, 7.994–8.486 | Not mentioned | [11] | 32 × 28 | 2.34–2.82, 3.16–4.06, 4.69–5.37 | 3.18 | Nonindependently tuned resonant frequencies | [12] | 67 × 38 | 0.863–1.049, 1.49–2.81 | Not mentioned | Only <3 GHz applications | Proposed antenna | 20 × 30 | 1.79–2.63, 3.49–3.97, 4.92–5.85, 7.87–8.40 | 6.9 | Compact size and sufficient bands |
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