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- W2169669737 abstract "Due to implementation complexity, the transform domain channel estimation based on training symbols or comb-type pilots has been paid more attention because of its efficient algorithm FFT/IFFT. However, in a comb-type OFDM system, the length of the channel impulse response is much smaller than the pilot number. In this case, the comb-pilot transform domain channel estimation only works as interpolation like the Least Squares (LS) algorithm, but loses the noise suppression function. In this paper, we pro- pose a novel frequency diversity channel estimation method via grouped pilots combining. With this estimator, not only the channel frequency response on non-pilot subcarriers can be interpolated, but also the noise can be better suppressed. Moreover, it does not need prior statistical characteristics of the wireless channel." @default.
- W2169669737 created "2016-06-24" @default.
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- W2169669737 date "2009-01-01" @default.
- W2169669737 modified "2023-09-26" @default.
- W2169669737 title "A Novel Comb-Pilot Transform Domain Frequency Diversity Channel Estimation for OFDM System" @default.
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