Research Article
Dual Polarized Dual Fed Vivaldi Antenna for Cellular Base Station Operating at 1.7–2.7 GHz
Table 1
Reference antenna.
| | | Polarized Vivaldi (this study) | Dual polarized omnidirectional [7] | Dual polarized patch [8] | Folded dipoles [9] | Inverted L [10] | Unidirectional antenna [11] | Fed by L- and M-probe [12] | Magnetodielectric dipole [13] | Four-point antenna [14] | Dual polarized square loop [15] | Dual polarized Vivaldi [16] | Dual polarized Vivaldi [24] | Dual polarized Vivaldi [25] |
| | Polarization | Dual | Dual | Dual | Dual | Linear | Linear | Dual | Dual | Dual | Dual | Dual | Dual | Dual | | Frequency range [MHz] | 1700–2700 | 1700–2200 | 1700–2730 | 1650–2850 | 1914–2219 | 1850–2890 | 1710–2690 | 1690–2830 | 805–2190 | 1710–2690 | 1000–4500 | 3100–10600 | 680–7300 | | Relative BW [%] | 45 | 25 | 47 | 53 | 15 | 44 | 45 | 50 | 92 | 45 | 127 | 109 | 166 | | Return loss [dB] | >14 | >10 | >10 | >15 | >10 | >14 | >9.5 | >14 | >9.5 | >15.5 | >10 | >10 | >10 | | Mutual coupling [dB] | <−25 | <−40 | <−30 | <−30 | — | — | <−26 | <−30 | — | <−32 | — | <−25 | <−30 | | XPD in boresight [dB] | 15–30 | 20 | 40 | 30 | — | 27 | 25 | 21 | 18–27 | 20 | — | 20 | 20 | | Gain [dBi] | 7.75…9.2 | 8 | 9.3…10 | 7.5…9 | 5.5…7 | 7.5…8.2 | 4.9…9.6 | 7.6…9.3 | 8…9 | 8.0…8.8 | — | 4…7 | 4…11 | | Radiator dimensions [mm] | 63 × 63 × 63 | 88 × 88 × 27 | 58 × 58 × 28 | 60 × 60 × 42 | 68 × 17 × 0 | 60 × 77 × 30 | 50 × 90 × 19 | 59 × 59 × 34 | 114 × 114 × 64 | 50 × 50 × 37 | 23 × 23 × 69 | 35 × 35 × 103 | 220 × 220 × 240 | | Reflector [mm] | 128 × 240 | 120 × 120 | 160 × 160 | 130 × 130 | 40 × 110 | 120 × 120 | 100 × 100 | 110 × 110 | — | 145 × 300 | — | — | — |
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