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| Content Provider | IET Digital Library |
|---|---|
| Author | Cao, Wen quan Wang, Qian qian Zhang, Bang ning Hong, Wei |
| Abstract | One novel dual-band dual-mode dual-polarisation microstrip antenna with broad bandwidth is designed and analysed in this study. In the lower frequency band, the antenna operates in the dipole mode with linearly polarised omnidirectional radiation pattern, whereas in the upper frequency band, the antenna works in the patch mode with circularly polarised directional radiation patterns. The bandwidth of the patch mode is broadened by adding curved parasitical patches around the centre radiating patch which is fed by the capacitive probe. Parameter analysis is made to further explore the working principle and one prototype is realised for verification. Moreover, the measured results show that the −10 dB impedance bandwidths for the dipole mode and patch mode are 227.5 MHz (4.8% at the centre frequency of 4.72 GHz) and 1330 MHz (23% at the centre frequency of 5.78 GHz), respectively, among which the 3 dB axial ratio bandwidth of the patch mode is 510 MHz (8.8% at the centre frequency of 5.815 GHz). Moreover, the maximum gains of the two modes are 1.1 and 8.4 dB, respectively. This single-feed patch antenna is valuable in future applications for its compact structure, considerable bandwidth, radiation pattern and polarisation diversity. |
| Starting Page | 1003 |
| Ending Page | 1008 |
| Page Count | 6 |
| ISSN | 17518725 |
| Volume Number | 11 |
| e-ISSN | 17518733 |
| Issue Number | Issue 7, Jun (2017) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-map/11/7 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-map.2016.0781 |
| Journal | IET Microwaves, Antennas & Propagation |
| Publisher Date | 2017-02-08 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Antenna Feeds Antenna Radiation Pattern Bandwidth 1330 MHz Bandwidth 227.5 MHz Bandwidth 510 MHz Broad Bandwidth Broadband Antenna Capacitive Probe-fed Compact DBDMDP Microstrip Antenna Circularly Polarised Directional Radiation Pattern Dipole Antenna Dipole Mode Dual-band Dual-mode Dual-polarisation Electromagnetic Wave Polarisation Frequency 4.72 GHz Frequency 5.78 GHz Frequency 5.815 GHz Gain 1.1 DB Gain 8.4 DB Microstrip Antenna Multifrequency Antenna Single Antenna Single-feed Patch Antenna |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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