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Relay Grouping to Guarantee Timeliness and Reliability in Wireless Networks
Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems.
Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems.ORCID iD: 0000-0001-6497-4099
School of Information Technology, Halmstad University, Halmstad, Sweden.
2019 (English)In: IEEE Communications Letters, ISSN 1089-7798, E-ISSN 1558-2558, Vol. 23, no 9, p. 1661-1664, article id 8737952Article in journal (Refereed) Published
Abstract [en]

Relaying can increase reliability, range, or throughput. In many cyber-physical systems (CPS), relaying is used to maximize reliability before a given deadline. Since concurrent transmissions are not supported by most CPS, time-division multiple access (TDMA) is typically used. However, a major drawback of relaying in TDMA is that pre-allocated time-slots are wasted if their respective transmitters do not have any correctly received packet to relay. Therefore, in this letter, we propose a novel relay grouping scheme to overcome this drawback. Numerical results show that the proposed scheme significantly enhances the reliability while guaranteeing the deadline for each message. 

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers Inc. , 2019. Vol. 23, no 9, p. 1661-1664, article id 8737952
Keywords [en]
industrial communication, multi-access communication, Relay networks, Embedded systems, Reliability, Wireless networks, Concurrent transmission, Cyber-physical systems (CPS), Industrial communications, Multi-access communications, Numerical results, Relay network, Time division multiple accesses (TDMA), Timeliness and reliability, Time division multiple access
National Category
Telecommunications Communication Systems Computer Engineering
Identifiers
URN: urn:nbn:se:mdh:diva-45316DOI: 10.1109/LCOMM.2019.2923406ISI: 000485733200048Scopus ID: 2-s2.0-85072257501OAI: oai:DiVA.org:mdh-45316DiVA, id: diva2:1355064
Available from: 2019-09-26 Created: 2019-09-26 Last updated: 2019-10-03Bibliographically approved

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Hoang, Le-NamUhlemann, Elisabeth

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