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A Flexible Error Correction Scheme for IEEE 802.15.4-based Industrial Wireless Sensor Networks
Mälardalen University, School of Innovation, Design and Engineering. (IS)
Mid Sweden University.
ABB, Corporate Research.
ABB, Corporate Research.ORCID iD: 0000-0002-7159-7508
Show others and affiliations
2012 (English)In: IEEE International Symposium on Industrial Electronics, 2012, 1172-1177 p.Conference paper, Published paper (Refereed)
Abstract [en]

Noise and interference make a substantial impacton wireless transmissions in industrial environments, resulting infrequent erroneous packet deliveries. Existing industrial communication standards adopt the IEEE 802.15.4 specification, which provides no means to correct the detected errors. We propose an IEEE 802.15.4-compliant Forward Error Correction-basedapproach that can be easily retrofitted into the standard withoutthe need for any kind of interaction with chip manufacturers orstandardization bodies. We evaluate the approach on link- and network-level scenarios. Improvement of reliability by using FEC can yield multiple benefits: a reduced number of retransmissions,and lower average latency, to name a few. With respect to the uncoded system, the proposed solution provides identical codinggain as the traditional FEC method, at a significantly lower computational load of decoding.

Place, publisher, year, edition, pages
2012. 1172-1177 p.
National Category
Communication Systems Engineering and Technology
URN: urn:nbn:se:mdh:diva-15207DOI: 10.1109/ISIE.2012.6237255Scopus ID: 2-s2.0-84864846391ISBN: 978-146730158-9 (print)OAI: diva2:549132
21st IEEE International Symposium on Industrial Electronics, ISIE 2012; Hangzhou;28 May 2012 through 31 May 2012

"(c) 2012 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, including reprinting/ republishing this material for advertising or promotional purposes, creating new collective works for resale or redistribution to servers or lists, or reuse of any copyrighted components of this work in other works"

Available from: 2012-09-04 Created: 2012-09-03 Last updated: 2014-01-10Bibliographically approved
In thesis
1. On Reliable Real Time Communication in Industrial Wireless Sensor Networks
Open this publication in new window or tab >>On Reliable Real Time Communication in Industrial Wireless Sensor Networks
2012 (English)Licentiate thesis, comprehensive summary (Other academic)
Abstract [en]

In the industrial automation, Industrial Wireless Sensor Networks (IWSNs) have been increasingly applied due to a great number of benefits such as convenient installation, flexible deployment and cost efficiency. Compared with conventional wireless systems, IWSNs have more stringent requirements communication reliability and real time performance. However, IWSNs are frequently deployed in a hash industrial environment with electromagnetic disturbances, moving objects and non-line-of-sight (NLOS) communication. Because of the vulnerability of wireless signal, IWSNs are under high risk oftransmission failures, which may result in missing or delaying of process orcontrol data. For industrial automation, missing the process or control deadlineis intolerable, which may terminate industrial application and finally result in economic loss and safety problems. From hierarchy point of view, the high communication reliability and low communication latency can be achieved from different network layers. OnMAC layer, existing protocols in IWSNs only provide automatic repeat request (ARQ) to improve reliability at the cost of real time performance. Analternative method is to apply Forward Error Correction (FEC) mechanism on MAC layer to provide more reliable transmissions and reduce acknowledgement messages by recovering error data. On network layer, routing protocolplays an important role in both communication reliability and latency. Traditionalrouting protocols in IWSNs are either hardly able to fulfill both of these requirements or overcomplicated.In this thesis, we initially explore the possibilities of introducing FEC intoIWSN under the requirements of the existing standard on MAC layer. Then we propose compatible and flexible FEC schemes on MAC layer for IWSNs without violating the standard format. Routing protocols based on flooding are proved to increase the Packet Delivery Ratio (PDR) by transmission diversity.We propose reliable and robust routing protocols with respect to high reliability and real time performance for IWSNs.

Place, publisher, year, edition, pages
Västerås: Mälardalen University, 2012
Mälardalen University Press Licentiate Theses, ISSN 1651-9256 ; 158
National Category
Communication Systems
Research subject
Computer Science
urn:nbn:se:mdh:diva-15270 (URN)978-91-7485-082-6 (ISBN)
2012-10-16, Gamma, Västerås, 13:15 (English)
Available from: 2012-09-10 Created: 2012-09-09 Last updated: 2012-10-02Bibliographically approved

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