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- W2468728572 abstract "We investigate multiple input multiple output (MIMO) orthogonal frequency-division multiplexing (OFDM) systems that operate with insufficient cyclic prefix (CP). Using a CP shorter than the channel delay spread can enable a significant improvement in bandwidth utilization or range extension for OFDM networks at the cost of increased intersymbol interference (ISI) and inter-carrier interference (ICI). We first analyze the effect of ICI and ISI on the received signal. A bi-directional M-algorithm (BDMA) is then proposed for high performance trellis-based equalization to construct an iterative interference mitigation and detection process. Simulations show that, after only 2 iterations, the bit error rate (BER) of the proposed equalization scheme can converge to that of a sufficient-CP system even when the channel delay spread is 6 times longer than the insufficient CP." @default.
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- W2468728572 date "2016-05-01" @default.
- W2468728572 modified "2023-09-26" @default.
- W2468728572 title "Equalization for MIMO-OFDM Systems with Insufficient Cyclic Prefix" @default.
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- W2468728572 doi "https://doi.org/10.1109/vtcspring.2016.7504240" @default.
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