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W2035673518 abstract "Subspace methods have been widely used in blind channel estimation of MIMO-OFDM system. However, direct subspace decomposition suffers from heavy computation complexity of o(N)³. In this paper, a new data projection method (DPM) based principal and minor subspace tracking algorithm is presented by exploiting a novel orthonormalization matrix. The new algorithm exhibits good numerical stability and its dominant complexity reaches the 3NL lower bound. Simulation results show that the proposed channel estimation scheme has better performance compared with the original one." @default.
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W2035673518 date "2012-09-01" @default.
W2035673518 modified "2023-09-26" @default.
W2035673518 title "A Novel Subspace Tracking Based Blind Channel Estimation of MIMO-OFDM" @default.
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W2035673518 doi "https://doi.org/10.1109/wicom.2012.6478353" @default.
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