Dynamic bandwidth allocation for C-band shared FBG sensing and telecommunications

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Cibira, Gabriel and Glesk, Ivan and Dubovan, Jozef (2022) Dynamic bandwidth allocation for C-band shared FBG sensing and telecommunications. IEEE Internet of Things Journal, 9 (22). pp. 23272-23284. ISSN 2327-4662 (https://doi.org/10.1109/JIOT.2022.3188385)

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Abstract

The telecommunications data transfer in single-mode (SM) optical fiber (OF) of a passive optical network (PON) is managed by dynamic bandwidth allocation (DBA). In most Internet of Things (IoT) sensor network applications, both raw sensing signals and telecommunication data are transmitted in SM OFs, too. At the present time, this is not done in a shared SM OF. This article presents a novel concept to share fiber Bragg grating (FBG) sensing and telecommunication services (TS) in the optical C-band of the shared transmission. This concept is based on statistical detection and monitoring of FBGs sensing signals. The key steps of the proposed concept are FBG power spectral peaks statistical detection, monitoring of the FBGs dynamics, and periodical estimation of telecommunication channels (TChs) occupancy and availability. The proposed concept was demonstrated and validated using the sensor network with a deployed group of FBG-based sensors, by implementing various static or dynamic approaches. By doing so, we achieved TChs bandwidth availability approaching 80%, compared to previously wasted bandwidth with availability at most 15.6%. The experimental results showed that a DBA system with implemented dynamic TChs occupancy is a reliable way to share fiber bandwidth between both FBG sensing and TChs.

ORCID iDs

Cibira, Gabriel, Glesk, Ivan ORCID logoORCID: https://orcid.org/0000-0002-3176-8069 and Dubovan, Jozef;
  • Item type:Article
    ID code:81539
    Dates:
    Date
    Event
    15 November 2022
    Published
    4 July 2022
    Published Online
    30 June 2022
    Accepted
    19 May 2022
    Submitted
    Notes:© 2022 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, 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 component of this work in other works.
    Subjects:Technology > Electrical engineering. Electronics Nuclear engineering
    Department:Faculty of Engineering > Electronic and Electrical Engineering
    Depositing user: Pure Administrator
    Date deposited:21 Jul 2022 15:48
    Last modified:12 Dec 2024 13:15
    URI:https://strathprints.strath.ac.uk/id/eprint/81539
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