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    National Tsing Hua University Institutional Repository > 研究中心 > 電腦與通訊科技研發中心 > 技術報告 >  Concatenated space-time block coding with trellis coded modulation using a delay processor


    Please use this identifier to cite or link to this item: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/13257


    Title: Concatenated space-time block coding with trellis coded modulation using a delay processor
    Authors: Yeong-Luh Ueng
    Yu-Lung Wu
    Ruey-Yi Wei
    Date: 2007
    Publisher: Institute of Electrical and Electronics Engineers Inc.
    Keywords: MIMO systems
    OFDM modulation
    block codes
    channel coding
    concatenated codes
    Abstract: It is known that tail-biting codes T ' constructedfrom trellis coded modulation (TCM) with a delay processor can achieve large minimum Euclidean distances. In this paper, concatenated space-time block coding (STBC) with T ' for multiple-input multiple-output (MIMO) and MIMO-OFDM (orthogonal frequency-division multiplexing) systems is investigated. We propose an improved system which is implemented by inserting a specific block interleaver between the encoders of coded modulation and STBC. We also propose sliding-windowtype iterative decoding using partial hard-decision feedback (SWIDPHF) with low complexity to decode T ', which provides better error performance as compared to sliding-window-type iterative decoding using full hard-decision feedback (SW-IDFHF). In addition, we apply sliding-window-type iterative decoding using soft-decision feedback (SW-IDSF) to T' for improved error performance. The decoder of concatenated system based on T ' can converge faster and provide better ultimate error performance as compared to the case of BICM under various channel conditions for either MIMO or MIMO-OFDM systems.
    Relation Link: http://www.ieee.org/portal/site
    URI: http://nthur.lib.nthu.edu.tw/handle/987654321/13257
    Appears in Collections:[電腦與通訊科技研發中心] 技術報告
    [通訊工程研究所] 會議論文

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