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- W2045303985 abstract "An efficient performance enhancement scheme using the persymmetric covariance matrix structure to enhance the performance of the Wiener beamforming in DS/CDMA systems is proposed. The main idea of the proposed scheme is to reduce the interference-plus-noise effect from the pre-correlation array covariance matrix using the persymmetric covariance matrix in a weight vector calculation for the Wiener beamforming. Generally, the persymmetric covariance matrix has the theoretical properties such as Toeplitz structure matrix or a positive semidefinite matrix. The persymmetric covariance matrix structure is obtained from the pre-correlation array covariance matrix using one of three methods, which are Toeplitz matrix approximation (TMA) method, forward/backward averaging (FBA) method and Toeplitz-plus-Hankel approximation (THA) method. Simulation results are shown with the various parameters that demonstrate the superiority of the proposed scheme. Copyright © 2005 AEIT." @default.
- W2045303985 created "2016-06-24" @default.
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- W2045303985 date "2006-01-01" @default.
- W2045303985 modified "2023-09-24" @default.
- W2045303985 title "Performance enhancement approach of the Wiener beamforming in DS/CDMA systems" @default.
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- W2045303985 doi "https://doi.org/10.1002/ett.1044" @default.
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