Research Article
Investigation of Patch Antenna Based on Photonic Band-Gap Substrate with Heterostructures
Table 1
Main characteristic parameters of the patch antennas.
| | Return loss | Bandwidth (S11 = −10 dB) | VSWR | Maximum gain |
| PBG patch antenna | −31 dB (at 1.316 GHz, 4 GHz) | 5.64% | 1.056 | 5 dB | Conventional patch antenna | −20 dB (at 3.01 GHz) | 1.92% | 1.2004 | −3 dB |
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