Effect of joint detection and decoding in non-orthogonal multiple access

Takahiro Yazaki, Yukitoshi Sanada

    研究成果: Conference contribution

    11 被引用数 (Scopus)

    抄録

    Non-orthogonal multiple access (NOMA) can share the same frequency band with multiple mobile devices. In the conventional NOMA scheme, the possible pairs of users are limited and this limitation restricts the amount of capacity improvement. This is because the receiver only for the near user cancels the signal of the other user and then detect the desired signal. In this paper, a joint detection and decoding scheme in the far user of the NOMA downlink is proposed and its constellation constrained capacity (CCC) is evaluated through numerical analysis. The proposed scheme allows the pairing of users with the difference of the propagation losses of less than 8dB. The possible number of user pairs in the NOMA system then increases and a larger total capacity may be achievable.

    本文言語English
    ホスト出版物のタイトル2014 International Symposium on Intelligent Signal Processing and Communication Systems, ISPACS 2014
    出版社Institute of Electrical and Electronics Engineers Inc.
    ページ245-250
    ページ数6
    ISBN(印刷版)9781479961207
    DOI
    出版ステータスPublished - 2014 1 27
    イベント2014 International Symposium on Intelligent Signal Processing and Communication Systems, ISPACS 2014 - Kuching, Sarawak, Malaysia
    継続期間: 2014 12 12014 12 4

    Other

    Other2014 International Symposium on Intelligent Signal Processing and Communication Systems, ISPACS 2014
    国/地域Malaysia
    CityKuching, Sarawak
    Period14/12/114/12/4

    ASJC Scopus subject areas

    • 人工知能
    • コンピュータ ネットワークおよび通信
    • 信号処理

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