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Revisiting multi-channel communication to mitigate interference and link dynamics in wireless sensor networks
Publikationstyp
Conference Paper
Date Issued
2012-07-30
Sprache
English
Author(s)
Start Page
186
End Page
193
Article Number
6227740
Citation
Proceedings of the IEEE 8th International Conference on Distributed Computing in Sensor Systems: 186-193 (2012)
Contribution to Conference
Publisher DOI
Scopus ID
Publisher
IEEE
ISBN
9780769547077
Multichannel communication has been proposed as alternative to adaptive (single-channel) routing protocols for mitigating the impact of interference and link dynamics in wireless sensor networks. While several studies have advocated features of both techniques (not without running up against contradicting arguments) a comprehensive study that aligns these results is still lacking. This paper aims at filling this gap. We present an experimental test bed setup used to perform extensive measurements for both single-channel and multichannel communication. We first analyze single-channel and multichannel communication over a single-hop in terms of packet reception ratio, maximum burst loss, temporal correlation of losses, and loss correlations across channels. Results show that multichannel communication with channel hopping significantly reduces link burstiness and packet loss correlation. For multi-hop networks, multi-channel communication and adaptive routing show similar end-to-end reliability in dense topologies, while multichannel communication can outperform adaptive routing in sparse networks with bursty links.
DDC Class
620: Engineering