Research Article
Wideband Low-Profile 8 × 8 MIMO Antenna Based IFA Pair for Ultrathin 5G Smartphones
Table 1
Comparison of the proposed antennas with other works for 5G smartphones.
| Ref. | Size (mm × mm) | Bandwidth (GHz) | Efficiency | ECC | Isolation (dB) | Numbers |
| [13] | 20.6 × 9 | 3.35–3.67 | 56%–72% | <0.1 | >17 | 8 × 8 | [14] | 28.4 × 6 | 3.40–3.68 | 59%–73% | <0.05 | >16 | 8 × 8 | [15] | 32 × 7 | 3.34–3.65 | 64%–80% | <0.1 | >15 | 8 × 8 | [16] | 20 × 6.2 | 3.36–3.70 | 58%–74% | <0.1 | >17 | 4 × 4 | [17] | 20 × 6.2 | 3.28–4.00 | 52%–74% | <0.1 | >12 | 2 × 2 | [20] | 25 × 7 | 3.36–3.64 | 35.2%–64.7% | <0.13 | >12.7 | 4 × 4 | [22] | 25 × 10.5 | 3.33–3.67 | 40%–70% | <0.16 | >14 | 8 × 8 | [25] | 36.6 × 6 | 3.25–6.15 | 47%–78% | <0.11 | >15 | 8 × 8 | [26] | 30 × 7 | 3.25–7.50 | 40%–78% | <0.06 | >10 | 4 × 4 | [28] | 40 × 7.5 | 3.30–5.05 | 31.6%–88.6% | <0.11 | >12 | 8 × 8 | [30] | 30 × 7.5 | 3.31–4.20 | 63.1%–85.1% | <0.2 | >10.5 | 8 × 8 | Proposed | 38 × 4 | 3.18–4.40 | 61.14%–93.97% | <0.17 | >12.25 | 8 × 8 |
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