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- W1992591069 abstract "This paper proposes a Modified Minimum Mean Square Error (M-MMSE) estimator for an Orthogonal Frequency Division Multiplexing (OFDM) System over fast fading Rayleigh channel. The proposed M-MMSE estimator considered the effects of the efficient placement of pilots based on the channel energy distribution. The pilot symbols were placed in a non-linear manner according to the density of the channel energy. Comparative analysis of the MMSE estimator for a comb-type pilot arrangement and M-MMSE estimator for the proposed pilot insertion scheme revealed significant performance improvement of the M-MMSE estimator over the MMSE estimator." @default.
- W1992591069 created "2016-06-24" @default.
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- W1992591069 date "2014-02-28" @default.
- W1992591069 modified "2023-09-27" @default.
- W1992591069 title "Modified MMSE Estimator based on Non-Linearly Spaced Pilots for OFDM Systems" @default.
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- W1992591069 doi "https://doi.org/10.5573/ieiespc.2014.3.1.35" @default.
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