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- W2092133656 abstract "Kalman channel estimators are optimal (MMSE) linear estimator. However, the direct implementation of the Kalman equations is too complex to be applied to practical OFDM systems with many subcarriers. In this paper, low-complexity structures for Kalman channel estimators are proposed for OFDM systems with and without virtual carriers that use a circular constellation. Simulation results show that the proposed low-complexity Kalman channel estimators almost achieve the performance of the perfect channel estimator." @default.
- W2092133656 created "2016-06-24" @default.
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- W2092133656 date "2004-01-01" @default.
- W2092133656 modified "2023-09-23" @default.
- W2092133656 title "Low-complexity Kalman channel estimator structures for OFDM systems with and without virtual carriers" @default.
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- W2092133656 doi "https://doi.org/10.1109/icc.2004.1312958" @default.
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