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- W2811075382 abstract "This paper proposes a time-frequency joint channel estimation method based on structured compression sensing (SCS) for multi-input and multi-output orthogonal frequency division multiplexing (MIMO-OFDM) system, which is different from traditional channel estimation scheme. In the proposed method, the received time-domain training sequences (TSs) without interference cancellation are exploited to obtain the coarse MIMO channel estimation of the path delays. By utilizing structured compression sensing method, furthermore a priori information-assisted adaptive structured subspace pursuit (PA-ASSP) algorithm which adopts a small amount of frequency domain orthogonal pilots is proposed to reconstruct the channel impulse response (CIR) of the MIMO channel so that the accurate channel gains is obtained. The simulation results show that the proposed scheme can more accurately estimate the channel with fewer pilots, and its performance is closer to the least squares (LS) algorithm." @default.
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- W2811075382 date "2018-05-01" @default.
- W2811075382 modified "2023-10-17" @default.
- W2811075382 title "Structured compressed sensing-based time-frequency joint channel estimation for MIMO-OFDM systems" @default.
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- W2811075382 doi "https://doi.org/10.1109/iciea.2018.8398039" @default.
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