Trellis coded modulation with pseudo distance in overloaded MIMO OFDM with sphere decoding

Ilmiawan Shubhi, Yukitoshi Sanada

    研究成果: Conference contribution

    4 被引用数 (Scopus)

    抄録

    Efficient detection schemes for an overloaded multiple-input multiple-output (MIMO) system has been investigated recently. In previous literature, it has been shown that trellis coded modulation (TCM) can enhance system capability to separate signal streams at detection process in MIMO systems. However, the computational complexity remains high as a maximum likelihood detection (MLD) algorithm is used in the scheme. Thus, a sphere decoding (SD) algorithm with a pseudo distance (PD) is proposed in this paper. It is shown that the proposed scheme can reduce the number of distance calculations by about 98% for the transmission of 3 signal streams. In addition, the proposed scheme improves the bit error performance by about 2dB at the bit error rate of 10-2.

    本文言語English
    ホスト出版物のタイトルISPACS 2013 - 2013 International Symposium on Intelligent Signal Processing and Communication Systems
    ページ579-584
    ページ数6
    DOI
    出版ステータスPublished - 2013 12 1
    イベント2013 21st International Symposium on Intelligent Signal Processing and Communication Systems, ISPACS 2013 - Naha, Okinawa, Japan
    継続期間: 2013 11 122013 11 15

    出版物シリーズ

    名前ISPACS 2013 - 2013 International Symposium on Intelligent Signal Processing and Communication Systems

    Other

    Other2013 21st International Symposium on Intelligent Signal Processing and Communication Systems, ISPACS 2013
    国/地域Japan
    CityNaha, Okinawa
    Period13/11/1213/11/15

    ASJC Scopus subject areas

    • 人工知能
    • 信号処理

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