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Grünewald, Matthias;Rückert, Ulrich;Schindelhauer, Christian;Volbert, Klaus:

Directed power-variable infrared communication for the mini robot Khepera.

In: Proceedings of the 2nd International Conference on Autonomous Minirobots for Research and Edutainment, S. 113-122, Brisbane, Australia, 18. - 21. Feb. 2003

Abstract

Communication facilities are important in Robotics if several robots have to work together. In this paper, we describe problems and solutions encountered while designing an infrared-based communication device for the mini robot Khepera. In contrast to traditional omnidirectional systems, it features directed, power-variable transmission in eight directions at unit[23.4]kbps up to a range of unit[1m]. It can differentiate incoming data signals from interference from adjacent sectors and can estimate their direction-of-arrival. We model the transmission over the infrared channel and show how interference influences the reception of the data signals. We also describe methods how to reduce these effects. We have tested the performance of the resulted signal processing in a worst case scenario by simulations and in experiments with a prototype implementation. The resulted module is especially suited for experimental evaluation of ad hoc network protocols and for position estimation.

Dateien

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Bibtex

@inproceedings{hniid=831,
author = {Gr{\"u}newald, Matthias and R{\"u}ckert, Ulrich and Schindelhauer, Christian and Volbert, Klaus},
title = {Directed power-variable infrared communication for the mini robot Khepera},
booktitle = {Proceedings of the 2nd International Conference on Autonomous Minirobots for Research and Edutainment},
pages = {113-122},
address = {Brisbane, Australia},
month = {18~-~21~} # feb,
year = {2003},
}

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