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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 synchronization scheme based on Gaussian pulses for cooperative MIMO OFDM systems

    Please use this identifier to cite or link to this item: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/83656

    Title: A synchronization scheme based on Gaussian pulses for cooperative MIMO OFDM systems
    Authors: Chin-Liang Wang;Ying-Yi Chen;Hung-Chin Wang
    教師: 王晉良
    Date: 2012
    Publisher: Institute of Electrical and Electronics Engineers
    Relation: Proceedings of the 2012 IEEE International Symposium on Circuits and Systems, Seoul, Korea, 20-23 May 2012, Pages 1512 - 1515
    Keywords: synchronization
    Gaussian pulses
    Abstract: In this paper, we propose a novel preamble design of Gaussian pulses, along with a synchronization scheme, for cooperative MIMO OFDM systems. In our preamble design, the training signals of cooperating nodes are well separated from each other in both time domain and frequency domain to suppress their mutual interference in both domains, whereas they are only separated in either of the two domains in the state of the art. Accordingly, multiple propagation delays and carrier frequency offsets (CFOs) can be jointly estimated using the proposed synchronization scheme, while they are separately estimated in time domain and frequency domain in conventional synchronization schemes. We also design a proper correlation window size for the proposed synchronization scheme to effectively reduce computational complexity as well as to maintain satisfactory performance. Computer simulations verify the superiority of the proposed approach over existing synchronization schemes.
    Relation Link: http://www.ieee.org/
    URI: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/83656
    Appears in Collections:[電機工程學系] 會議論文
    [通訊工程研究所] 會議論文
    [電腦與通訊科技研發中心] 會議論文

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