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- W2109675786 abstract "A network of Kalman filters (NKF) has been proposed for the equalization of digital communication channels. The NKF-based equalizer relies on the approximation of the a posteriori probability density function (PDF) of a sequence of delayed symbols by a Weighted Gaussian Sum (WGS). The problem is that the number of Gaussian terms in the sum increases dramatically through iterations and thus, is not practical for an on-line processing. We propose a modified NKF-based equalizer which consists in replacing the WGS by a Gaussian density minimizing a certain quadratic criterion. We show that this later is centered on the MAP estimate of the sequence of symbols. The resulting modified NKF-based equalizer is shown to have improved performance and is compared to the optimal MAP symbol-by-symbol equalizer (MAPSE)." @default.
- W2109675786 created "2016-06-24" @default.
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- W2109675786 date "2002-11-07" @default.
- W2109675786 modified "2023-09-25" @default.
- W2109675786 title "A network of Kalman filters for MAP symbol-by-symbol equalization" @default.
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- W2109675786 doi "https://doi.org/10.1109/icassp.2000.861040" @default.
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