Data collection in heterogeneous wireless sensor networks
Pages 23 - 30
Abstract
Most existing routing protocols designed for WSNs assume that links are symmetric, which is in contradiction with what is observed in the real deployment. Indeed, many links in WSNs are asymmetric. Asymmetric links can dramatically decrease the performance of routing algorithms which are not designed to cope with them. In this paper, we propose two adaptations, A-RPL and A-Legos, respectively for RPL and Legos convergecast routing protocols to take into account the asymmetric links. The two protocols construct a logical topology over which the data will be sent in the network. This logical topology could be disconnected when asymmetric links are present in the network. We propose a new metric calculation for RPL protocol to take into account the asymmetric links. For A-Legos, we introduce two new states for nodes when asymmetric links are detected.
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Index Terms
- Data collection in heterogeneous wireless sensor networks
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Published In
November 2012
93 pages
ISBN:9781450318143
DOI:10.1145/2402599
- General Chairs:
- Kanchana Kanchanasut,
- Sukumal Kitisin,
- Program Chairs:
- Keith W. Ross,
- Marcelo Dias Amorim,
- Rodney Van Meter
Copyright © 2012 ACM.
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Published: 14 November 2012
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