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- Title
The Design of Capsule-Shaped Patch Antenna with Multiple Rectangular Slotted for 3D Printing Technology using Conductive PLA Material.
- Authors
SAETIAW, Charinsak; LAMULTREE, Suthasinee; NAKORNTEP, Jatuporn; PHUCHADUEK, Suwit
- Abstract
This research presents the use of 3D printing technology with advanced electromagnetic materials to apply to prototyping and improving antenna design processes. A capsule-shaped patch antenna is used as a representative antenna model that can be combined with multiple rectangular slotted techniques to produce antennas suitable for future wireless communications applications. The design and construction of the antenna starts with a rectangular patch antenna using a microstrip feed technique and a PLA base material. In addition, the conductive PLA material was chosen instead of the copper material for the radiating layer. After that, a co-planar waveguide feeding was used to convert the ground plane from the back to the front layer. For the antenna part, modifications are made at both ends of the patch with semi-circles to form the shape of the capsule. Ultimately, the multiple rectangular slotted technique will be used to increase bandwidth requirements as well as improve the area of the radiation section with reduced material consumption. Mathematical simulation results showed that the antenna design was optimized by calculating the final dimensions of the antenna to be able to support 5GHz ISMband for the WLAN/WiMAX standard. It included the WiFi-6E standard with an operating frequency of 6GHz, that is, coverage from 5.1411GHz to 7.9261GHz and had an antenna gain of 3.52dBi. The prototype antenna was fabricated using 3D printing technology with normal PLA and conductive PLA material. For the measurement results of the prototype antenna, the impedance bandwidth at -10dB was 4.5672GHz to 7.9127GHz and the gain was 3.49dBi. The measurement results of the prototype antenna were found to be consistent with the results from the simulation.
- Subjects
MICROSTRIP antennas; SUBSTRATE integrated waveguides; ANTENNAS (Electronics); ANTENNA design; COPLANAR waveguides; THREE-dimensional printing; IEEE 802.16 (Standard); FREQUENCY standards
- Publication
Przeglad Elektrotechniczny, 2024, Vol 2024, Issue 4, p118
- ISSN
0033-2097
- Publication type
Article
- DOI
10.15199/48.2024.04.22