Performance of embroidered higher-order mode antennas with different stitching patterns
- Publication Type:
- Conference Proceeding
- 2017 11th European Conference on Antennas and Propagation, EUCAP 2017, 2017, pp. 177 - 180
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|Performance of Embroidered Higher Order Mode Antennas with Different Stitching Patterns.pdf||Published version||908.34 kB|
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© 2017 Euraap. In this paper the performance of TM21 resonance-mode circular patch antennas embroidered with different stitching patterns is discussed and compared. The goal is to investigate the difference in the performance when the antenna is embroidered with stitches following the antenna current paths as opposed to some simple patterns such as horizontal and vertical ones. This creates an alternative solution for embroidering prototypes of wearable antennas with complicated current distributions. The results reveal that by embroidering the antenna in line with the complex TM21 current distribution a good monopole-like radiation pattern is achieved, which is close to an etched copper prototype's used as the reference. However, with a dense horizontal stitching pattern an acceptable monopole-like radiation pattern can also be achieved with quite good gain and efficiency. While simplifying the embroidery process, the use of the simple horizontal pattern with high density suffers from high cross-polarization and thread consumption as compromises.
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