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| Content Provider | IET Digital Library |
|---|---|
| Author | Mobashsher, Ahmed Toaha Abbosh, Amin |
| Abstract | A compact ultra-wideband (UWB) antenna with directional radiation is presented. The antenna has a low profile and does not need a large ground for its performance. The antenna is based on using a three-dimensional folded structure that is modified using semi-circular slots on bowtie-shaped elements. The antenna's mechanism, its design guidelines and its optimisation are described thoroughly. A prototype of the antenna is fabricated and measured for performance verification. The prototype shows 77% fractional bandwidth (centred at 2 GHz) based on 10 dB return loss reference. The equivalent overall size of the prototype is (λ eff/3) × (λ eff/4) × 0.07λ eff (λ eff = effective wavelength at the lowest resonant frequency), which proves the compactness of the antenna. The antenna shows unidirectional radiation pattern with around 15 dB front-to-back ratio, −20 dB cross-polarisation in the two principle planes and around 5 dBi gain. The antenna is prescribed for compact UWB applications that use the low 1–3 GHz frequency band. |
| Starting Page | 171 |
| Ending Page | 179 |
| Page Count | 9 |
| ISSN | 17518725 |
| Volume Number | 8 |
| e-ISSN | 17518733 |
| Issue Number | Issue 3, Feb (2014) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-map/8/3 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-map.2013.0374 |
| Journal | IET Microwaves, Antennas & Propagation |
| Publisher Date | 2013-11-27 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Antenna Mechanism Antenna Radiation Pattern Bandwidth 1 GHz to 3 GHz Bow-tie Antenna Bowtie-shaped Element Compact Size Compact Ultrawideband Antenna Compact UWB Antenna Directional Radiation Directive Antenna Fractional Bandwidth Loss 10 DB Return Loss Reference Semicircular Slot Single Antenna Slot Antenna Three-dimensional Folded Antenna UHF Antenna Ultra Wideband Antenna Unidirectional Radiation Pattern |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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