Abstract
Systems for indoor positioning using radio technologies are largely studied due to their convenience and the market opportunities they offer. The positioning algorithms typically derive geographic coordinates from observed radio signals and hence good understanding of the indoor radio channel is required. In this paper we investigate several factors that affect signal propagation indoors for both Bluetooth and WiFi. Our goal is to investigate which factors can be disregarded and which should be considered in the development of a positioning algorithm. Our results show that technical factors such as device characteristics have smaller impact on the signal than multipath propagation. Moreover, we show that propagation conditions differ in each direction. We also noticed that WiFi and Bluetooth, despite operating in the same radio band, do not at all times exhibit the same behaviour.
Keywords
- Sensor Node
- Probability Density Function
- Receive Signal Strength Indicator
- Anchor Node
- Multipath Propagation
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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Dimitrova, D.C., Alyafawi, I., Braun, T. (2012). Experimental Comparison of Bluetooth and WiFi Signal Propagation for Indoor Localisation. In: Koucheryavy, Y., Mamatas, L., Matta, I., Tsaoussidis, V. (eds) Wired/Wireless Internet Communication. WWIC 2012. Lecture Notes in Computer Science, vol 7277. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-30630-3_11
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DOI: https://doi.org/10.1007/978-3-642-30630-3_11
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-30629-7
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