Abstract
An implementation scheme of dual polarized millimeter wave microstrip patch antenna with broad bandwidth is proposed. The impedance bandwidth is broadened by employing coplanar parasitic patches and spatial parallel parasitic patches. The pair-wise anti-phase technology is used to design the 2×2 array antenna. The impedance bandwidth of the proposed antenna is 6.13% at the center frequency of 37.5 GHz with the isolation larger than 30 dB. The cross-polarization is -23.6 dB and the gain of the antenna is 11.5 dBi under the criterion of VSWR less than 2. The proposed dual polarized microstrip antenna has promising features in terms of broad impedance bandwidth, high isolation between the input ports, reduced cross-polarization and high gains. The performances can meet the general requirements of the engineering dual polarized millimeter wave antenna.
| Original language | English |
|---|---|
| Pages (from-to) | 93-97 |
| Number of pages | 5 |
| Journal | Harbin Gongye Daxue Xuebao/Journal of Harbin Institute of Technology |
| Volume | 47 |
| Issue number | 11 |
| DOIs | |
| State | Published - 30 Nov 2015 |
| Externally published | Yes |
Keywords
- Dual polarization
- Electromagnetic coupling
- Microstrip antenna
- Millimeter wave
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