NDLI: Sensei-UU : A Nomadic Sensor Network Testbed Supporting Mobile Nodes

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Sensei-UU : A Nomadic Sensor Network Testbed Supporting Mobile Nodes

Content Provider	Semantic Scholar
Author	Rensfelt, Olof Hermans, Frederik Ferm, Christofer Gunningberg, Per Larzon, Lars-Åke
Copyright Year	2009
Abstract	We present Sensei a nomadic, or relocatable, wireless sensor network (WSN) testbed with support for mobile nodes. The nomadism makes it possible to evaluate a WSN application in different environments ranging from lab environment to in-situ installations to prototype deployments. Other WSN testbeds are often static and can not be easily moved between sites. To be easily relocateable and highly flexible, Sensei uses a wireless 802.11 b/g network as control channel. Our design with a wireless control channel allows easy incorporation of mobile nodes. Since sensor nodes often use 802.15.4 (ZigBee) communication, we have investigated the interference between the control channel and a 802.15.4 WSN to ensure that this approach is a feasible approach. For repeatability in terms of mobility, nodes can be carried either by humans or robots following mobility scripts. We present a method for localization of mobile nodes based on robot technology. The robots use laser range finders for localization and navigate in a predefined map. We evaluate the precision of this method in an office like environment to ensure sufficient repeatability of mobility experiments.
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://www.it.uu.se/research/publications/reports/2009-025/2009-025-nc.pdf
Alternate Webpage(s)	http://www.it.uu.se/research/reports/2009-025/2009-025-nc.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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