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| Content Provider | IET Digital Library |
|---|---|
| Author | Dastranj, Aliakbar |
| Abstract | A low-profile single-layer printed dual-port antenna with high isolation is presented for broadband polarisation diversity applications. The proposed antenna comprises a pair of the same monopoles that are orthogonally fed by two coplanar waveguide lines. Each monopole consists of a hexagonal radiator and a staircase-like ground plane. To accomplish a wideband polarisation diversity performance with a compact size, the geometrical parameters of the radiator and ground plane were optimised by using Ansoft HFSS. The designed antenna with the total area of 25 × 50 mm2 was fabricated and tested. Measured results show that the antenna covers the frequency ranges of 2.4–17.1 and 2.6–16.8 GHz (∣S 11∣ and ∣S 22∣ < −10 dB), for ports 1 and 2, respectively. Also, the isolation between the two ports is better than 25 dB over the entire working band. The proposed antenna features not only nearly omnidirectional radiation patterns, but also reasonable gain and radiation efficiency. Besides, the envelope correlation coefficient reveals a good diversity performance across the whole bandwidth. Finally, the distortionless time-domain performance of the antenna is verified by measurement of the group delay. The experimental results in both frequency and time domain show the suitability of the antenna for broadband dual-polarised applications. |
| Starting Page | 1363 |
| Ending Page | 1368 |
| Page Count | 6 |
| ISSN | 17518725 |
| Volume Number | 11 |
| e-ISSN | 17518733 |
| Issue Number | Issue 10, Aug (2017) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-map/11/10 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-map.2016.0937 |
| Journal | IET Microwaves, Antennas & Propagation |
| Publisher Date | 2017-04-21 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Ansoft HFSS Antenna Radiation Pattern Broadband Polarisation Diversity Application Coplanar Waveguide Coplanar Waveguide Line Distortionless Time-domain Performance Hexagonal Radiator Low-profile Single-layer Printed Dual-port Antenna Low-profile Ultra-wideband Polarisation Diversity Antenna Microstrip Antenna Monopole Antenna Omnidirectional Radiation Pattern Single Antenna Staircase-like Ground Plane Waveguide And Microwave Transmission Line |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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