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Altruistic Backoff: Collision Avoidance for Receiver-Initiated MAC Protocols for Wireless Sensor Networks
Technical University of Denmark, Kgs. Lyngby, Danmark.
Technical University of Denmark, Kgs. Lyngby, Danmark.
Örebro University, School of Science and Technology. (AASS)ORCID iD: 0000-0001-9575-2990
2014 (English)In: International Journal of Distributed Sensor Networks, ISSN 1550-1329, E-ISSN 1550-1477, no Article ID 576401Article in journal (Refereed) Published
Abstract [en]

In receiver-initiated medium access control (MAC) protocols for wireless sensor networks, communication is initiated by the receiver node which transmits beacons indicating its availability to receive data. In the case of multiple senders having traffic for a given receiver, such beacons form points where collisions are likely to happen. In this paper, we present altruistic backoff (AB), a novel collision avoidance mechanism that aims to avoid collisions before the transmission of a beacon. As a result of an early backoff, senders spend less time in idle listening waiting for a beacon, thus saving significant amounts of energy. We present an implementation of AB for Texas Instruments’ eZ430-rf2500 sensor nodes and we evaluate its performance with simulations and experiments.

Place, publisher, year, edition, pages
2014. no Article ID 576401
National Category
Embedded Systems
Identifiers
URN: urn:nbn:se:oru:diva-40940DOI: 10.1155/2014/576401ISI: 000336541100001Scopus ID: 2-s2.0-84902179363OAI: oai:DiVA.org:oru-40940DiVA, id: diva2:779247
Available from: 2015-01-12 Created: 2015-01-12 Last updated: 2018-06-15Bibliographically approved

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Dragoni, Nicola

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