J. Park, Wanjei Cho, Kyoung-Min Park, Seong-Hwan Hyun, Seong-Cheol Kim, DongEun Kim, Hyung Jun Park
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Measurement of Colored Noise from Spot-Welding Machine in a Factory
A smart factory environment is becoming increasingly important as the 4th industrial revolution has garnered increasing attention. Formulating a complete wireless condition is the most important aspect of a smart factory. Therefore, making a factory suitable for wireless communication is essential. However, excessive spot-welding machines in a factory result in colored noises, which may cause severe performance degradation in wireless communication. In this study, we measured and analyzed channel noise from a spot-welding machine in a Hyundai Motors Group factory using a spectrum analyzer.