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Mitigation of rain impact on microwave backhaul networks
KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS, Optical Network Laboratory (ON Lab).ORCID iD: 0000-0001-6435-106X
KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS, Optical Network Laboratory (ON Lab).
Ericsson AB.
KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS, Optical Network Laboratory (ON Lab).ORCID iD: 0000-0001-6704-6554
2016 (English)Conference paper, Published paper (Refereed)
Abstract [en]

Microwave backhaul networks are a cost-efficient option to support increasing capacity demands of mobile networks. However, inherent vulnerability of wireless backhauling to random fluctuations of the wireless channel complicates the design of reliable backhaul links. Long-lasting channel fluctuations such as rain fading may bring significant network performance degradation, and therefore, need to be carefully treated. This paper proposes a novel rain detection algorithm utilizing both temporal and spatial correlation of link status, aiming at efficiently distinguishing between long-term and shortterm channel fading. With this distinction, a central controller decides whether network-wide strategies, such as rerouting, are required to mitigate the effects of rain. The accuracy of the proposed detection method is evaluated by measuring false alarm and misdetection probabilities. Numerical results show high rain detection accuracy of the proposed algorithm. Consequently, the impact of imperfect rain detection on the network throughput performance and on the overhead imposed to the central controller becomes negligible.

Place, publisher, year, edition, pages
IEEE conference proceedings, 2016. p. 134-139
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-202933DOI: 10.1109/ICCW.2016.7503777ISBN: 978-1-5090-0448-5 (electronic)OAI: oai:DiVA.org:kth-202933DiVA, id: diva2:1079111
Conference
IEEE International Conference on Communications (ICC),23-27 May,2016, Kuala Lumpur Malaysia
Note

QC 20170310

Available from: 2017-03-07 Created: 2017-03-07 Last updated: 2017-03-10Bibliographically approved

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CiteExportLink to record
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