Path diversity with fractional delay transmission for fractional sampling-MIMO-OFDM system

Haruki Higuchi, Yukitoshi Sanada

    研究成果: Article査読

    抄録

    Through fractional sampling (FS) it is possible to separate multipath components and achieve path diversity. However, if no path component whose delay corresponds to the sampling point, FS cannot obtain diversity gain. In this paper, a novel scheme to improve the performance with FS over a sparse multipath channel is proposed. The proposed scheme uses multiple transmit antennas and sends multiple signals with fractional delays. The performance improvement with the proposed scheme is confirmed through computer simulation. It is shown that the proposed scheme increases the capacity of a MIMO-OFDM system by a factor of 1.5 to 2 and improves the BER performance on the sparse multipath channels.

    本文言語English
    ページ(範囲)2115-2121
    ページ数7
    ジャーナルIEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
    E93-A
    11
    DOI
    出版ステータスPublished - 2010 11

    ASJC Scopus subject areas

    • 信号処理
    • コンピュータ グラフィックスおよびコンピュータ支援設計
    • 電子工学および電気工学
    • 応用数学

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