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Bound-based power optimization for multi-hop heterogeneous wireless industrial networks under statistical delay constraints
Fraunhofer Inst Embedded Syst & Commun Technol ES, Munich, Germany..
KTH, Skolan för elektroteknik och datavetenskap (EECS), Nätverk och systemteknik.ORCID-id: 0000-0002-0150-2489
Fraunhofer Inst Embedded Syst & Commun Technol ES, Munich, Germany..
KTH, Skolan för elektroteknik och datavetenskap (EECS), Teknisk informationsvetenskap.ORCID-id: 0000-0001-6682-6559
2019 (Engelska)Ingår i: Computer Networks, ISSN 1389-1286, E-ISSN 1872-7069, Vol. 148, s. 262-279Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

The noticeably increased deployment of wireless networks for battery-limited industrial applications in recent years highlights the need for tractable performance analysis methodologies as well as efficient QoS-aware transmit power management schemes. In this work, we seek to combine several important aspects of such networks, i.e., multi-hop connectivity, channel heterogeneity and the queuing effect, in order to address these needs. We design delay-bound-based algorithms for transmit power minimization and network lifetime maximization of multi-hop heterogeneous wireless networks using our previously developed stochastic network calculus approach for performance analysis of a cascade of buffered wireless fading channels. Our analysis shows an overall transmit power saving of up to 95% compared to a fixed power allocation scheme in case when the service is modeled via a Shannon capacity. For a more realistic set-up, we evaluate the performance of the suggested algorithm in a WirelessHART network, which is a widely used communication standard for industrial process automation applications. We find that link heterogeneity can significantly reduce network lifetime when no efficient power management is applied. Using extensive simulation study we further show that the proposed bound-based power allocation performs reasonably well compared to the real optimum, especially in the case of WirelessHART networks.

Ort, förlag, år, upplaga, sidor
ELSEVIER SCIENCE BV , 2019. Vol. 148, s. 262-279
Nyckelord [en]
Stochastic network calculus, Wireless sensor networks, Multi-hop, Heterogeneous networks, End-to-end delay bound, Power minimization, Industrial networks, WirelessHART
Nationell ämneskategori
Kommunikationssystem
Identifikatorer
URN: urn:nbn:se:kth:diva-245168DOI: 10.1016/j.comnet.2018.09.009ISI: 000458345100021Scopus ID: 2-s2.0-85058969247OAI: oai:DiVA.org:kth-245168DiVA, id: diva2:1294380
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QC 20190307

Tillgänglig från: 2019-03-07 Skapad: 2019-03-07 Senast uppdaterad: 2019-03-18Bibliografiskt granskad

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