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The multi-input-multi-output (MIMO) orthogonal frequency division multiplexing (OFDM) system is attractive for its high channel capacities and robustness to multipath fading in wireless communications. But the time-variation can destroy the orthogonality between subcarriers which will degrade the performance of the system, so the estimation for time-variant multipath channel is necessary. In this...
The orthogonal frequency division multiplexing (OFDM) system is attractive for its robustness to multipath fading in wireless communications. But the time-variation can destroy the orthogonality between subcarriers which degrades the performance of the system, so the estimation for time-variant multipath channel is necessary. In this paper, we propose a pilot embedded scheme which superimposes periodic...
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