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| Content Provider | IET Digital Library |
|---|---|
| Author | Gautam, Anil Kumar Farhan, Mohd. Agrawal, Niraj Rambabu, Karumudi |
| Abstract | In this study, a novel design and packaging of miniaturised planar microstrip antenna with circular polarisation (CP) that is suitable for 2.45-GHz radio-frequency identification (RFID) applications is proposed. The circular polarisation is realised by truncating the corners of the left to right diagonal and 76% of miniaturisation is achieved by incorporating two slots in each of the four directions and one at the centre of the square-shaped radiator. This type of miniaturisation method is known in the literature but combining with CP radiation is a novel approach. The radiator of the designed antenna has a compact size of 19.6 × 19.6 mm2 with an overall size of the antenna 30 × 30 × 1.6 mm3, and this technique offers 76% miniaturisation in antenna size. Finally, a prototype antenna is fabricated and experimentally characterised to verify the design concept as well as to validate the simulation results. The designed antenna achieves measured return loss bandwidth of around 80 MHz (2.42– 2.5 GHz) and axial ratio bandwidth of 21 MHz (2.447–2.468 GHz). The proposed antenna is a good candidate for RFID mobile reader applications as it shows a good radiation performance, when it is installed in various types of housing. |
| Starting Page | 2310 |
| Ending Page | 2314 |
| Page Count | 5 |
| ISSN | 17518725 |
| Volume Number | 13 |
| e-ISSN | 17518733 |
| Issue Number | Issue 13, Oct (2019) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-map/13/13 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-map.2019.0261 |
| Journal | IET Microwaves, Antennas & Propagation |
| Publisher Date | 2019-06-27 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Antenna Radiation Pattern Bandwidth 21.0 MHz Compact Circularly Polarised Planar Antenna CP Radiation Electromagnetic Wave Polarisation Frequency 2.42 GHz to 2.5 GHz Frequency 2.447 GHz to 2.468 GHz Good Radiation Performance Microstrip Antenna Miniaturisation Method Miniaturised Planar Microstrip Antenna Packaging Planar Antenna Radio-frequency Identification Application Radiofrequency Identification RFID Mobile Reader Application RFID Mobile Readers RFID System Single Antenna Size 1.6 Mm Size 19.6 Mm Size 30 Mm Square-shaped Radiator UHF Antenna |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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