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Low-Power Listening Goes Multi-Channel
RISE, Swedish ICT, SICS.
RISE, Swedish ICT, SICS, Computer Systems Laboratory.ORCID iD: 0000-0001-7592-1048
RISE, Swedish ICT, SICS, Computer Systems Laboratory.ORCID iD: 0000-0002-2586-8573
2014 (English)Conference paper, Published paper (Refereed)
Abstract [en]

Exploiting multiple radio channels for communication has been long known as a practical way to mitigate interference in wireless settings. In Wireless Sensor Networks, however, multi-channel solutions have not reached their full potential: the MAC layers included in TinyOS or the Contiki OS for example are mostly single-channel. The literature offers a number of interesting solutions, but experimental results were often too few to build confidence. We propose a practical extension of low-power listening, MiCMAC, that performs channel hopping, operates in a distributed way, and is independent of upper layers of the protocol stack. The above properties make it easy to deploy in a variety of scenarios, without any extra configuration/scheduling/channel selection hassle. We implement our solution in Contiki and evaluate it in a 97-node testbed while running a complete, out-of-the-box low-power IPv6 communication stack (UDP/RPL/6LoWPAN). Our experimental results demonstrate increased resilience to emulated WiFi interference (e.g., data yield kept above 90% when ContikiMAC drops in the 40% range). In noiseless environments, MiCMAC keeps the overhead low in comparison to ContikiMAC, achieving performance as high as 99% data yield along with sub-percent duty cycle and sub-second latency for a 1-minute inter-packet interval data collection.

Place, publisher, year, edition, pages
2014, 12. p. 2-9
National Category
Computer and Information Sciences
Identifiers
URN: urn:nbn:se:ri:diva-24307DOI: 10.1109/DCOSS.2014.33Scopus ID: 2-s2.0-84904430720OAI: oai:DiVA.org:ri-24307DiVA, id: diva2:1043387
Conference
IEEE International Conference on Distributed Computing in Sensor Systems (DCOSS 2014)
Projects
CALIPSORELYonITAvailable from: 2016-10-31 Created: 2016-10-31 Last updated: 2023-06-08Bibliographically approved

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Duquennoy, SimonVoigt, Thiemo

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Citation style
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