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A Low-Power CoAP for Contiki
Promos.
RISE, Swedish ICT, SICS. NES.
RISE, Swedish ICT, SICS. NES.
Number of Authors: 3
2011 (English)Conference paper (Refereed)
Abstract [en]

Internet of Things devices will by and large be battery-operated, but existing application protocols have typically not been designed with power-efficiency in mind. In low-power wireless systems, power-efficiency is determined by the ability to maintain a low radio duty cycle: keeping the radio off as much as possible. We present an implementation of the IETF Constrained Application Protocol (CoAP) for the Contiki operating system that leverages the ContikiMAC low-power duty cycling mechanism to provide power efficiency. We experimentally evaluate our low-power CoAP, demonstrating that an existing application layer protocol can be made power-efficient through a generic radio duty cycling mechanism. To the best of our knowledge, our CoAP implementation is the first to provide power-efficient operation through radio duty cycling. Our results question the need for specialized low-power mechanisms at the application layer, instead providing low-power operation only at the radio duty cycling layer.

Place, publisher, year, edition, pages
2011, 11.
National Category
Computer and Information Science
Identifiers
URN: urn:nbn:se:ri:diva-23873OAI: oai:DiVA.org:ri-23873DiVA: diva2:1042951
Conference
Workshop on Internet of Things Technology and Architectures (IEEE IoTech 2011)
Projects
PromosCONET
Available from: 2016-10-31 Created: 2016-10-31

Open Access in DiVA

fulltext(3134 kB)3 downloads
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Type fulltextMimetype application/pdf

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ReferencesLink to record
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