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An Experimental Study on IEEE 802.15.4 Multichannel Transmission to Improve RSSI–Based Service Performance

  • Andrea Bardella
  • Nicola Bui
  • Andrea Zanella
  • Michele Zorzi
Part of the Lecture Notes in Computer Science book series (LNCS, volume 6511)

Abstract

In Wireless Sensor Networks (WSNs) the majority of the devices provide access to the Received Signal Strength Indicator (RSSI), which has been used as a means to enable different services and applications like localization, geographic routing and link quality estimation. Notwithstanding the popularity of using RSSI for localization, academic research showed that RSSI-based distance estimate is rather unreliable due to the random attenuation experienced by the radio signals, as the multipath fading. In this paper we propose a simple way to improve the RSSI reliability, averaging samples collected at different frequencies by a CC2420 radio, which implements the IEEE 802.15.4 standard, both in real indoor and outdoor scenarios. For this purpose, we introduce a simple communication protocol to coordinate data exchange between nodes, that exploits multichannel transmission in order to mitigate the multipath effect that hampers ranging estimation as well as wireless communication.

Keywords

Sensor Node Wireless Sensor Network Receive Signal Strength Indicator Receive Signal Power Coordinate Data Exchange 
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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Copyright information

© Springer-Verlag Berlin Heidelberg 2010

Authors and Affiliations

  • Andrea Bardella
    • 1
  • Nicola Bui
    • 1
    • 2
    • 3
  • Andrea Zanella
    • 1
  • Michele Zorzi
    • 1
    • 2
    • 3
  1. 1.Dep. of Information EngineeringUniversity of PadovaItaly
  2. 2.Patavina TechnologiesPadovaItaly
  3. 3.Consorzio Ferrara RicercheFerraraItaly

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