Multipath routing for mmWave WMN backhaul

Kari Seppänen, Jorma Kilpi, Jori Paananen, Tapio Suihko, Pekka Wainio, Jouko Kapanen

    Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

    14 Citations (Scopus)

    Abstract

    Static Wireless Mesh Networks (WMN) based on high capacity pencil-beam millimeter wave (mmWave) links offer an attractive solution for small cell backhauling in 5G networks. However, the delay targets in 5G are such that it is quite challenging to develop adequate link scheduling and routing mechanisms. Furthermore, the susceptibility of mmWave radio links to adverse weather conditions and other obstructions in the line-of-sight line makes it necessary that routing is able to cope with frequent link degradations and failures. We propose an approach that divides the problem into two parts ¿¿¿ finding first a suitable set of so called primary paths and then optimizing the link schedules for those paths. In this paper, we present a routing algorithm that produces the required primary paths and several backup paths for all source-destination pairs. Furthermore, we describe a hierarchical fault recovery system that includes various protection and restoration methods that are acting in different time scales to ensure fast reaction to failures and then optimal adaptation to the changed situation.
    Original languageEnglish
    Title of host publicationCommunications Workshops (ICC), 2016 IEEE International Conference on
    PublisherIEEE Institute of Electrical and Electronic Engineers
    Pages246-253
    ISBN (Electronic)978-1-5090-0448-5
    ISBN (Print)978-1-5090-0449-2
    DOIs
    Publication statusPublished - 7 Jul 2016
    MoE publication typeA4 Article in a conference publication
    EventIEEE International Conference on Communications: Communications for All Things - Kuala Lumpur, Malaysia
    Duration: 23 May 201627 May 2016

    Conference

    ConferenceIEEE International Conference on Communications
    Abbreviated titleIEEE ICC'16
    CountryMalaysia
    CityKuala Lumpur
    Period23/05/1627/05/16

    Keywords

    • 5G
    • small cell base stations
    • backhaul
    • multipath routing
    • wireless mesh networks

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