A Multi-channel Multiple Access Scheme Using Frequency Offsets - Modelling and Analysis

S. Morshed, Mitra Baratchi, Pranab K. Mandal, Geert Heijenk

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    Abstract

    A system using frequency offset based transmit- reference (TR) modulation allows multiple nodes to transmit simultaneously and asynchronously without any mutual timing coordination. Thus, such a system provides inherent capabilities for a multiple access in the medium access control (MAC) layer to coordinate the shared use of the common wireless medium among the nodes of the wireless sensor network (WSN). However, certain characteristics of a frequency offset based system limits its performance, for example, the number of available frequency offsets is limited as it depends on several system parameters, and the number of simultaneous communications using different frequency offsets is limited due to inter-user interference. In this paper, we introduce an extended version of the performance model of a basic slotted- Aloha system, that captures the basic phenomena of a multi- channel system with a limited set of channels and a limit to the number of simultaneously used channels. An analysis of this model reveals the potential of a MAC protocol for TR modulation with frequency offsets.
    Original languageUndefined
    Title of host publicationProceedings of the 12th International Conference on Wireless and Mobile Computing, Networking and Communications, WiMob 2016
    Place of PublicationUSA
    PublisherIEEE Computer Society
    Pages-
    Number of pages7
    ISBN (Print)978-1-5090-0725-7
    DOIs
    Publication statusPublished - 18 Oct 2016

    Publication series

    Name
    PublisherIEEE Computer Society

    Keywords

    • EWI-27469
    • frequency-offset
    • TR-MAC
    • METIS-319496
    • IR-102416
    • Multiple access technique
    • MAC Protocol
    • multi-channel S-Aloha

    Cite this

    Morshed, S., Baratchi, M., Mandal, P. K., & Heijenk, G. (2016). A Multi-channel Multiple Access Scheme Using Frequency Offsets - Modelling and Analysis. In Proceedings of the 12th International Conference on Wireless and Mobile Computing, Networking and Communications, WiMob 2016 (pp. -). USA: IEEE Computer Society. https://doi.org/10.1109/WiMOB.2016.7763230