Research Article
Design and Study of a Miniaturized Millimeter Wave Array Antenna for Wireless Body Area Network
Table 6
On-body comparison of the 1 × 4 array antenna for different distances.
| | Parameters | Free space | On-body 2 mm | On-body 4 mm | On-body 6 mm | On-body 8 mm |
| | Bandwidth (GHz) | 16.081 GHz | 15.153 | 16.339 | 15.831 | 15.41 | | Return loss (dB) @ 60 GHz | −16.98795 | −14.810749 | −15.827321 | −13.336266 | −13.165815 | | Gain (dBi) | 5.37 | 6.892 | 5.995 | 6.537 | 5.385 | | Radiation efficiency (%) | 66.84% | 46.1 | 48.45 | 52.35 | 54.49 | | Total efficiency (%) | 65.50% | 44.58 | 47.19 | 49.93 | 51.86 | | VSWR | 1.3295119 | 1.4442327 | 1.3857117 | 1.5489748 | 1.5629255 |
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