The distribution of link distances in distributed multiple-input multiple-output cellular systems

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    2 Citations (Scopus)

    Abstract

    The probability density function (pdf) of the distance between randomly located user equipment (UE) and its nth closest base station (BS) is studied in this paper. The knowledge of these pdfs is essential in the analysis of cellular distributed multiple-input multiple-output (MIMO) systems where N BSs cooperate in transmission or reception. We show that earlier results on ordered distance distributions in regular point patterns can be applied to the analysis of distributed MIMO systems when the UE distribution is uniform and the BS locations form a regular lattice. We present previously unpublished pdfs of the distance between a cell edge UE, whose distance to the closest BS is at least r, and four closest BSs in the hexagonal cell topology. The pdfs are verified by simulated histograms. As an example on the application of the results, we show how the signal-to-noise ratio (SNR) gain from uplink cooperative reception increases as the transmitting UE moves further from the cell center. The results from this paper can be applied to the analysis of received and transmitted (in case of power adaptive transmission) power in distributed MIMO systems.
    Original languageEnglish
    Title of host publication2013 IEEE 77th Vehicular Technology Conference
    Subtitle of host publicationVTC Spring
    PublisherIEEE Institute of Electrical and Electronic Engineers
    ISBN (Electronic)978-1-4673-6337-2
    DOIs
    Publication statusPublished - 2013
    MoE publication typeA4 Article in a conference publication
    EventIEEE 77th Vehicular Technology Conference, VTC 2013 Spring - Dresden, Germany
    Duration: 2 Jun 20135 Jun 2013
    Conference number: 77

    Conference

    ConferenceIEEE 77th Vehicular Technology Conference, VTC 2013 Spring
    Abbreviated titleVTC 2013 Spring
    CountryGermany
    CityDresden
    Period2/06/135/06/13

    Keywords

    • cellular systems
    • distributed MIMO
    • link distance distribution
    • regular point pattern
    • SNR gain

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