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- W2371103948 abstract "The DFT based channel estimation algorithms in orthogonal frequency division multiplexing(OFDM) systems is analyzed,and two modified DFT-based methods are proposed to estimate the frequency selective wireless channel.One method used the modified minimum mean square channel estimation method or a modified least square estimation method at low SNR,and the other used the modified least square channel estimation method without prior information at high SNR.The simulation results show that the proposed methods can withstand the frequency selectivity at slow fading wireless channel and the estimation error of prior information needed in receiver,and the modified methods behave favourably at both channel estimation performance and computation complexity." @default.
- W2371103948 created "2016-06-24" @default.
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- W2371103948 date "2007-01-01" @default.
- W2371103948 modified "2023-09-24" @default.
- W2371103948 title "DFT based channel estimation methods for OFDM" @default.
- W2371103948 hasPublicationYear "2007" @default.
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