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    National Tsing Hua University Institutional Repository > 電機資訊學院 > 電機工程學系 > 會議論文  >  A new joint time synchronization and channel estimation scheme for MIMO-OFDM systems


    Please use this identifier to cite or link to this item: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/67941


    Title: A new joint time synchronization and channel estimation scheme for MIMO-OFDM systems
    Authors: Hung-Chin Wang;Chin-Liang Wang
    教師: 王晉良
    Date: 2006
    Publisher: Institute of Electrical and Electronics Engineers
    Relation: Proceedings of the 2006 IEEE Global Telecommunications Conference (Globecom 2006), San Francisco, CA, Nov. 27 - Dec. 1, 2006, Pages 1 - 5
    Keywords: joint time synchronization
    channel estimation scheme
    Abstract: In this paper, we extend a training sequence structure, which was originally designed for orthogonal frequency division multiplexing (OFDM) systems, into multiple-input multiple-output (MIMO) scenario. Unlike conventional training sequence structures for MIMO-OFDM systems, the proposed modification eliminates the interference among training sequences transmitted by different antennas, and can be constructed from the same orthogonal sequence. Furthermore, the unique structure enables a low-complexity joint time synchronization and channel estimation scheme that requires only a correlator and a comparator. With the same training sequence length, computer simulation results show that the proposed joint scheme outperforms conventional synchronization and channel estimation methods by orders in MIMO-OFDM systems.
    Relation Link: http://www.ieee.org/
    URI: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/67941
    Appears in Collections:[電機工程學系] 會議論文

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