The influence of Wi-Fi on the operation of Bluetooth based wireless sensor networks in the Internet of Things

Horsman, J.C. (2015) The influence of Wi-Fi on the operation of Bluetooth based wireless sensor networks in the Internet of Things.

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Abstract:The Internet of Things (IoT) is receiving an increasing amount of popularity, therefore it is important to know how communication technologies, used in wireless sensor networks, are being affected by devices that are already commonly used, to prevent errors or in the worst case a denial of service. This particular case studies Bluetooth based wireless sensor networks and the interference Wi-Fi has on the operation of Bluetooth in these networks. To examine the influence of Wi-Fi on the operation of Bluetooth, a demonstration model was made with a Bluetooth sensor and a Raspberry Pi with a Bluetooth adapter. This demonstration model was used together with three Wi-Fi routers used to cause interference and a spectrum analyser. The measurements showed that Bluetooth uses unused channels outside the frequency band used by active Wi-Fi channels. In the end it proved to be impossible to disable the Bluetooth connection with the used setup and there are much more routers needed to cause interference to all available Bluetooth channels.
Item Type:Essay (Bachelor)
Faculty:EEMCS: Electrical Engineering, Mathematics and Computer Science
Subject:53 electrotechnology
Programme:Electrical Engineering BSc (56953)
Link to this item:http://purl.utwente.nl/essays/69166
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