Research Article
Wideband Dual-Polarized Differential-Fed Filtering Microstrip Patch Antenna with High Suppression and Wide Stopband
Table 1
Measured performance comparison with reported dual-polarized filtering antenna.
| | Ref. | Center frequency (GHz) | Fractional bandwidth | Gain (dBi) | Pol-isolation (dB) | Suppression level (dB) | -10 dB upper stopband | Size () |
| | [3] | 3.51 | 22% () | 8.4 (peak) | >35.2 | 18.5 | 1.7 | | | [4] | 3.83 | 27.6% () | 8.2 (average) | >25 | 20 | 1.44 | | | [13] | 2.62 | 12% () | 9 (average) | >29 | 24 | 1.7 | | | [15] | 3.75 | 24% | 8 (peak) | >20 | 16 | 2.3 | | | [22] | 2.55 | 15% | 8.4 (peak) | >30 | 15.4 | 1.2 | | | [23] | 2.6 | 23% | 8.9 (peak) | >26 | 20 | 1.9 | | | This | 3.45 | 30% | 9.9 (peak) | >43 | 21 | 2.1 | |
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