Research Article
Design and Study of a Miniaturized Millimeter Wave Array Antenna for Wireless Body Area Network
Table 4
On-body comparison of single-element array for different distances.
| | Parameters | Free space | On-body 2 mm | On-body 4 mm | On-body 6 mm | On-body 8 mm |
| | Bandwidth (GHz) | 17.8 | 18.24 | 18.461 | 17.961 | 18.722 | | Return loss (dB) 60 GHz | −24.399 | −18.807 | −21.771 | −25.175 | −27.937 | | Gain (dBi) | 4.01 | 8.41 | 6.878 | 6.333 | 6.48 | | Radiation efficiency (%) | 99.98 | 75.68 | 81.74 | 83.55 | 85.41 | | Total efficiency (%) | 99.62 | 74.68 | 81.19 | 83.29 | 85.28 | | VSWR | 1.1283 | 1.2592 | 1.1777 | 1.1168 | 1.0836 |
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