A RULE OF THUMB TO DETERMINE THE LOCATION OF WI-FI MODULE ON PLASTIC OR METAL CHASSIS

In this study, a general rule of thumb was developed for an easier and more robust product configuration management containing more than one Wi-Fi modules. In the study, a television chassis is being used for two different models having different Wi-Fi modules in them. From manufacturing perspective, managing the product configuration as simple as it can improve the manufacturing costs drastically. Two Wi-Fi modules having different antenna characteristics will perform differently based on their locations on the chassis. Based on the distance of the antenna to the closest material of the chassis effects antenna characteristics of both Wi-Fi modules. We obtained a common minimum distance that does not disrupts the antenna performance of both Wi-Fi modules to out of Wi-Fi spectrum. For the particular case in this study, we obtained a safe distance which keeps the voltage standing wave ratio of the antennas of both Wi-Fi modules under two over Wi-Fi frequency spectrum.

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  • H. T. Friis, “Noise figures of radio receivers”, Proc. IRE, vol. 32, no. 7, pp.419–422, July, 1944 doi: 10.1109/JRPROC.1944.232049
  • L. F. T. G. Amarai and M. S. Novo, "Effects of printed circuit board on the performance of tag antennas for passive RFID," 2017 Progress in Electromagnetics Research Symposium - Spring (PIERS), St. Petersburg, 2017, pp. 621-626. doi: 10.1109/PIERS.2017.8261815
  • M. K. Mandal and M. Kahar, "A multiband robust planar antenna for wireless handheld devices," 2016 Asia-Pacific Microwave Conference (APMC), New Delhi, 2016, pp. 1-4. doi: 10.1109/APMC.2016.7931474
  • Wang Shan, Guo Chenjiang, Zhou Yanqiu and Ding Jun, "A vector method for determining voltage standing wave ratio of radio communication," 2015 12th IEEE International Conference on Electronic Measurement & Instruments (ICEMI), Qingdao, 2015, pp. 656-660
  • M. A. Al-Tarifi and D. S. Filipovic, "Multi-layer dielectric rod antenna with stable patterns over decade bandwidth," 2017 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting, San Diego, CA, 2017, pp. 505-506. doi: 10.1109/APUSNCURSINRSM.2017.8072295