Superposition Coded Modulation and Iterative Linear MMSE Detection

L. Ping, J. Tong, X. Yuan, Qinghua Guo

    Research output: Contribution to journalArticle

    55 Citations (Scopus)

    Abstract

    We study superposition coded modulation (SCM)with iterative linear minimum-mean-square-error (LMMSE) detection.We show that SCM offers an attractive solution for highlycomplicated transmission environments with severe interference.We analyze the impact of signaling schemes on the performanceof iterative LMMSE detection. We prove that among all possiblesignaling methods, SCM maximizes the output signal-tonoise/interference ratio (SNIR) in the LMMSE estimates duringiterative detection. Numerical examples are used to demonstratethat SCM outperforms other signaling methods when iterativeLMMSE detection is applied to multi-user/multi-antenna/multipathchannels.
    Original languageEnglish
    Pages (from-to)995-1004
    JournalIEEE Journal on Selected Areas in Communications
    Volume27
    Issue number6
    DOIs
    Publication statusPublished - 2009

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