research unit 1

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Type of publication:Inproceedings
Entered by:chita
TitleRadiation Awareness in Three-Dimensional Wireless Sensor Networks
Bibtex cite IDRACTI-RU1-2012-21
Booktitle Distributed Computing in Sensor Systems (DCOSS 2012)
Year published 2012
Pages 176-185
This research attempts a first step towards investigating the aspect of radiation awareness in environments with abundant heterogeneous wireless networking. We call radiation at a point of a 3D wireless network the total amount of electromagnetic quantity the point is exposed to, our definition incorporates the effect of topology as well as the time domain, data traffic and environment aspects. Even if the impact of radiation to human health remains largely unexplored and controversial, we believe it is worth trying to understand and control. We first analyze radiation in well known topologies (random and grids), randomness is meant to capture not only node placement but also uncertainty of the wireless propagation model. This initial understanding of how radiation adds (over space and time) can be useful in network design, to reduce health risks. We then focus on the minimum radiation path problem of finding the lowest radiation trajectory of a person moving from a source to a destination point of the network region. We propose three heuristics which provide low radiation paths while keeping path length low, one heuristic gets in fact quite close to the offline solution we compute by a shortest path algorithm. Finally, we investigate the interesting impact on the heuristics' performance of diverse node mobility.
Nikoletseas, Sotiris
Patroumpa, Dimitra
Prasanna, Viktor
Raptopoulos, Christoforos
Publication ID969