Research Article
CPW-Fed Wideband Circular Polarized Antenna for UHF RFID Applications
Table 3
Comparison of the proposed antenna and different antenna.
| Antennas | −10 dB S11 BW [MHz] | 3 dB ARBW [MHz] | Gain
| Dimensions
|
| [3] | 904–941/37 | 918–929/11 | 3.8 | 90 × 90 × 4.572 | [4] | 618–998/480 | 791–1123/332 | 3.4 | 120 × 120 × 0.8 | [12] | 860–930/70 | — | 3.7 | 110 × 110 × 5 | [13] | 891–928/37 | 907–915/8 | 5.85 | 54 × 54 × 1.6 | [14] | 820–880/60 830–928/98 | 864–887/19 899–913/14 | 1.6 | 90 × 90 × 1.6 | [15] | 902–928/26 | 900–936/36 | 1.35 | 105 × 90 × 1.6 | Proposed antenna | 660–1080/420 | 775–1155/380 | 3.67 | 114 × 114 × 0.8 |
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