The Performance of a CDF-Based Multiuser Scheduling Scheme for Non-Orthogonal Multiple Access (NOMA)

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Abstract

    In this paper, we deal with the performance analysis of a cumulative distribution function (CDF)-based multiuser scheduling scheme for downlink non-orthogonal multiple access (NOMA). With this scheme, the multiple users having relatively better channel gain are selected. We first statistically analyze the probability of user selection in terms of the weight of each user determining the time fraction. We confirm that equal weight ensures fair resource allocation. Under this equal weight condition for fairness, we derive the distribution of signal-to-interference-plus-noise ratio (SINR) when the specific user is selected. Simulation results show that with this scheme, the time resources can be allocated more fairly compared to the proportional fair scheduling scheme, especially under NOMA conditions. Further, by adjusting the weight of desired user, the average rate and selection probability can be controlled.

    Original languageEnglish
    Title of host publication2019 IEEE International Conference on Communications, ICC 2019 - Proceedings
    PublisherInstitute of Electrical and Electronics Engineers Inc.
    ISBN (Electronic)9781538680889
    DOIs
    Publication statusPublished - 2019 May
    Event2019 IEEE International Conference on Communications, ICC 2019 - Shanghai, China
    Duration: 2019 May 202019 May 24

    Publication series

    NameIEEE International Conference on Communications
    Volume2019-May
    ISSN (Print)1550-3607

    Conference

    Conference2019 IEEE International Conference on Communications, ICC 2019
    Country/TerritoryChina
    CityShanghai
    Period19/5/2019/5/24

    Bibliographical note

    Funding Information:
    This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government(MSIT)(NRF-2018R1A2B2007789)

    Publisher Copyright:
    © 2019 IEEE.

    Keywords

    • CDF-based scheduling
    • NOMA
    • SINR distribution
    • resource allocation

    ASJC Scopus subject areas

    • Computer Networks and Communications
    • Electrical and Electronic Engineering

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