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Filtering by: Creator Celia, M. A. Remove constraint Creator: Celia, M. A. Committee Member Nguyen, Thinh Remove constraint Committee Member: Nguyen, Thinh Subject MIMO systems Remove constraint Subject: MIMO systems

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  • Transmission and Combining for Hybrid Automatic Repeat Request in Multiple-Input Multiple-Output Systems

    Creator:
    Whang, Younghoon
    Abstract:
    Hybrid automatic repeat request (HARQ) schemes combine packet retransmission with forward error correction to ensure a reliable communications. In multiple-input multiple output (MIMO) systems, interference cancellation (IC) detection is widely used where the detection and cancellation steps of the simultaneously transmitted data streams occur. In principle, the signal stream estimated...
    Resource Type:
    Dissertation
    Full Text:
    combine packet retransmission with forward error correction to ensure a reliable communications. In

  • Channel estimation and data detection for mobile MIMO OFDM systems

    Creator:
    Gao, Jie
    Abstract:
    Designing spectral efficient, high-speed wireless links that offer high quality- of-service and range capability has been a critical research and engineering challenge. In this thesis, we mainly address the complexity and performance issues of channel estimation and data detection in multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) systems over...
    Resource Type:
    Dissertation
    Full Text:
    generated as a(t, l) = √ 2 N1 N1∑ n=1 M(l, n) [cos(πn/N1) + j sin(πn/N1)] cos(ωnt + θn) (2.31) where M

  • Efficient detection and scheduling for MIMO-OFDM systems

    Creator:
    Liu, Wei
    Abstract:
    Multiple-input multiple-output (MIMO) antennas can be exploited to provide high data rate using a limited bandwidth through multiplexing gain. MIMO combined with orthogonal frequency division multiplexing (OFDM) could potentially provide high data rate and high spectral efficiency in frequency-selective fading channels. MIMO-OFDM technology has been widely employed in modern communication...
    Resource Type:
    Dissertation
    Full Text:
    dimension. The channel matrix H has a dimension of N × M , and its mth column, hm, represents the channel