Research Article
Development of Multilayer Partially Reflective Surfaces for Highly Directive Cavity Antennas: A Study
Table 2
Performance comparison of simulated and measured results of the proposed antenna.
| | Antenna designs | Resonant frequency (GHz) | Return loss (dB) | VSWR | S11 bandwidth (MHz) | % S11 bandwidth | Gain at 5.8 GHz (dB) | 3 dB gain bandwidth (MHz) | % 3 dB gain bandwidth |
| | Simulated antenna results | | Reference | 5.8 | 32.59 | 1.06 | 252 | 4.34 | 3.9 | 1038 | 18.05 | | Single-layer PRS | 5.8 | 20.37 | 1.22 | 346 | 5.97 | 10.52 | 713 | 12.44 | | Dual-layer PRS | 5.78 | 33 | 1.04 | 263 | 4.55 | 11.05 | 693 | 11.65 | | Triple-layer PRS | 5.72 | 24.08 | 1.13 | 360 | 6.29 | 13.54 | 365 | 6.27 |
| | Measured antenna results | | Reference | 5.755 | 20.76 | 1.201 | 450 | 7.82 | 3.52 | 180 | 3.1 | | Single-layer PRS | 5.725 | 17.53 | 1.306 | 225 | 3.93 | 6.98 | 640 | 11.03 | | Dual-layer PRS | 5.725 | 18.06 | 1.285 | 329 | 5.75 | 8.6 | 410 | 7.09 | | Triple-layer PRS | 5.725 | 22.123 | 1.17 | 205 | 3.58 | 10.28 | 390 | 6.72 |
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