Research Article
Comparative Analysis of a Super-Wideband Millimeter Wave Array Antenna for Body-Centric Communications
Table 9
Array 3 on-body results at different gap distances.
| | Parameters at 60 GHz | Free-space | On-body 2 mm | On-body 4 mm | On-body 6 mm | On-body 8 mm | On-body 10 mm |
| | Return loss (dB) | −26.629 | −21.725 | −22.976 | −24.877 | −23.827 | −22.336 | | VSWR | 1.097 | 1.178 | 1.152 | 1.120 | 1.137 | 1.165 | | Gain (dBi) | 4.292 | 3.238 | 4.622 | 5.032 | 4.947 | 4.987 | | Radiation efficiency (%) | 32.64 | 23.52 | 26.59 | 28.11 | 28.62 | 29.90 | | Total efficiency (%) | 32.57 | 23.36 | 26.46 | 28.01 | 28.50 | 29.73 |
|
|
