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Predictable real-time communications with improved reliability for IEEE 802.15.4 based industrial networks
Högskolan i Halmstad, Centrum för forskning om inbyggda system (CERES).
Högskolan i Halmstad, Centrum för forskning om inbyggda system (CERES).ORCID-id: 0000-0001-6497-4099
Högskolan i Halmstad, Centrum för forskning om inbyggda system (CERES).
2010 (engelsk)Inngår i: 2010 8th IEEE International Workshop on Factory Communication Systems (WFCS), 2010, s. 13-22Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

Emerging industrial applications requiring reliable wireless real-time communications are numerous. Using existing standards such as IEEE 802.15.4 is essential for reasons of interoperability and cost efficiency. However, since 802.15.4 is unable to provide predictable channel access, real-time guarantees cannot be given. Further, the noisy wireless channel makes reliable communications particularly challenging. By adding a deterministic medium access method and a transport protocol with a truncated retransmission scheme to 802.15.4, we jointly enforce reliability and predictability. We evaluate our solution analytically by real-time schedulability analysis including retransmissions, and by computer simulations. We show that the message error rate can be improved by several orders of magnitude while keeping the utilization penalty at reasonable levels.

sted, utgiver, år, opplag, sider
2010. s. 13-22
Emneord [en]
Factory Communications, Real-Time Systems, IEEE 802.15.4, QoS
HSV kategori
Identifikatorer
URN: urn:nbn:se:mdh:diva-22170DOI: 10.1109/WFCS.2010.5548639Scopus ID: 2-s2.0-77957565261ISBN: 978-1-4244-5460-0 (tryckt)OAI: oai:DiVA.org:mdh-22170DiVA, id: diva2:661211
Konferanse
IEEE International Workshop on Factory Communication Systems, Nancy, France, May 2010.
Merknad

©2010 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.

Tilgjengelig fra: 2013-11-01 Laget: 2013-10-29 Sist oppdatert: 2014-05-19bibliografisk kontrollert

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Uhlemann, Elisabeth

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Kunert, KristinaUhlemann, ElisabethJonsson, Magnus

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