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- W2094093586 abstract "In this paper, we present a modified discrete Fourier transform (DFT)-based channel estimation method. The conventional DFT-based method will produce additional high frequency component in the channel impulse response, and degrade the accuracy of channel estimation. The modified algorithm can eliminate additional high frequency components by extending the LS estimate in frequency domain with a symmetric signal of its own, and selects the useful paths by calculating the changing rate of energy. Thus, the proposed algorithm become more accurate. The simulation results show the new algorithm can reduce the influence of noise on channel estimation efficiently, and the performance of the improved method is better than the LS and conventional DFT algorithm." @default.
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- W2094093586 date "2014-07-01" @default.
- W2094093586 modified "2023-09-27" @default.
- W2094093586 title "A Modified DFT-Based Channel Estimation Method for OFDM-RoF System" @default.
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- W2094093586 doi "https://doi.org/10.4028/www.scientific.net/amr.989-994.3521" @default.
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