Field programmable gate array implementation for singular value decomposition in an orthogonal frequency division multiplexing channel estimation
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    Abstract:

    The singular value decomposition (SVD)based orthogonal frequency division multiplexing (OFDM) channel estimation can guarantee channel estimation performance, while reducing computation. A simplified implementation method for SVD of a Hermitian matrix is proposed which transforms a Hermitian matrix SVD to a real symmetry matrix SVD to achieve highspeed operation. The systolic array structure is improved based on the SVD characteristics for symmetry matrix to conserve system resources. The field programmable gate array (FPGA) implementation program of high rank real symmetry matrix singualar value decomposition(SVD)is designed. The simulation results demonstrate that the designed program is feasible for OFDM channel estimation.

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韩庆文,张鹏,王韬. OFDM信道估计的复矩阵分解及FPGA实现[J].重庆大学学报,2009,32(3):324~327

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