Design of a codebook structure for a progressively linear pre-coded closed-loop MIMO hybrid ARQ system

Woo Kim Jin, Chung G. Kang, B. J. Kwak, D. S. Kwon

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

    1 Citation (Scopus)

    Abstract

    The paper considers a hybrid ARQ (HARQ) scheme for a linear pre-coding-based closed-loop multiple-input multiple-output (MIMO) system, in which a pre-coding matrix is dynamically selected for every retransmission by taking into account a symbol-level combining gain obtained from the previous receptions. A new retransmission structure with a sequence of multiple codebooks is proposed that are optimized for combining gain, rather than using a single identical codebook for every retransmission. Furthermore, a criterion for selecting a pre-coding matrix for each retransmission can be provided so as to minimize the retransmission error probability. Under the proposed multiple codebook structure for MIMO-HARQ systems, a sequence of optimum codebooks is constructed for the subsequent retransmissions. Simulation results are presented for showing that the proposed scheme achieves significant error performance advantages over conventional schemes with a single codebook and furthermore, a near-optimal performance is achieved as the codebook size chosen is large enough.

    Original languageEnglish
    Title of host publicationProceedings - 2009 IEEE International Conference on Communications, ICC 2009
    DOIs
    Publication statusPublished - 2009
    Event2009 IEEE International Conference on Communications, ICC 2009 - Dresden, Germany
    Duration: 2009 Jun 142009 Jun 18

    Publication series

    NameIEEE International Conference on Communications
    ISSN (Print)0536-1486

    Other

    Other2009 IEEE International Conference on Communications, ICC 2009
    Country/TerritoryGermany
    CityDresden
    Period09/6/1409/6/18

    Keywords

    • Codebook
    • Hybrid ARQ
    • Pre-coding

    ASJC Scopus subject areas

    • Computer Networks and Communications
    • Electrical and Electronic Engineering

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