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| Content Provider | IET Digital Library |
|---|---|
| Author | Gu, Chao Gao, Steven Izquierdo, Benito Sanz Gibbons, Gregory J. Young, Paul R. Parker, Edward A. Qin, Fan Wen, Geyi Cheng, Zhiqun Geng, Youlin Liu, Ying |
| Abstract | This study presents a novel design of a wideband high-gain resonant cavity antenna (RCA) for millimetre and submillimetre wave bands, and its fabrication using additive manufacturing (AM). The proposed RCA antenna consists of a partially reflecting surface and three impedance matching layers fed by a waveguide. AM techniques are utilised to fabricate the design operating at 30 GHz. Two fabrication techniques are assessed for printing the antenna. The first technique is based on printing a dielectric material and fully coating the parts with a metallic layer, while the second technique involves printing the parts in a single process using metal three-dimensional printing. The first technique offers a lightweight solution while the second technique can print the whole model in one run. The antenna design is investigated by both simulations and experiments. The measured results show a 3 dB gain bandwidth of about 10%, and high gain over 15 dBi for all the three resulting antennas. Good agreement between simulation and measurement is obtained. The antenna is of low cost and achieved good performance in terms of wide bandwidth and high gain, thus it is potentially useful for high-speed wireless communications at millimetre-wave and sub-millimetre-wave frequencies. |
| Starting Page | 1758 |
| Ending Page | 1764 |
| Page Count | 7 |
| ISSN | 17518725 |
| Volume Number | 12 |
| e-ISSN | 17518733 |
| Issue Number | Issue 11, Sep (2018) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-map/12/11 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-map.2018.5412 |
| Journal | IET Microwaves, Antennas & Propagation |
| Publisher Date | 2018-07-13 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Additive Manufacturing AM Technique Antenna Accessory Antenna Feeds Broadband Antenna Dielectric Material Dielectric Material And Property Dielectric Waveguide Fabrication Technique Frequency 30 GHz Gain 3 DB High-speed Wireless Communication Impedance Matching Impedance Matching Layer Metal Three-dimensional Printing Metallic Layer Millimetre Wave Antenna Millimetre Wave Band Millimetre-wave Frequency Partially Reflecting Surface RCA Antenna Single Antenna Submillimetre Wave Antenna Submillimetre Wave Band Submillimetre-wave Frequency Three-dimensional Printing Waveguide And Microwave Transmission Line Wideband High-gain Millimetre Wave Antenna Wideband High-gain Resonant Cavity Antenna Wideband High-gain Submillimetre Wave Antenna |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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