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An easy to use bluetooth scatternet protocol for fast data exchange in wireless sensor networks and autonomous robots

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4 Author(s)
Rico Mockel ; Institute of Neuroinformatics at the Uni/ETH Zürich, Switzerland ; Alexander Sprowitz ; Jerome Maye ; Auke Jan Ijspeert

We present a Bluetooth scatternet protocol (SNP) that provides the user with a serial link to all connected members in a transparent wireless Bluetooth (BT) network. By using only local decision making we can reduce the overhead of our scatternet protocol dramatically. We show how our SNP software layer simplifies a variety of tasks like the synchronization of central pattern generator controllers for actuators, collecting sensory data and building modular robot structures. The whole BT software stack including our new scatternet layer is implemented on a single Bluetooth and memory chip. To verify and characterize the SNP we provide data from experiments using real hardware instead of software simulation. This gives a realistic overview of the scatternet performance showing higher order effects that are difficult to be simulated correctly and guarantees the correct function of the SNP in real world applications.

Published in:

2007 IEEE/RSJ International Conference on Intelligent Robots and Systems

Date of Conference:

Oct. 29 2007-Nov. 2 2007