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- W1972535861 abstract "The DVB-T2 standard is widely used in recent years, which is based on orthogonal frequency division multiplexing (OFDM) systems. In OFDM system, frequency-domain pilots are usually employed to perform channel estimation. To reduce the number of pilots and hence improve spectral efficiency, decision-directed channel estimation (DDCE) has been considered in the new DVB-T2 standard. In this paper we will address the noise amplification problem of DDCE in DVB-T2 systems. We propose to employ the weighted least-squares method to improve the performance of DDCE in DVB-T2 systems. Simulation results show that the proposed scheme considerably improves the mean-squared estimation errors as compared with existing algorithms in [2,3]." @default.
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- W1972535861 date "2013-06-01" @default.
- W1972535861 modified "2023-09-27" @default.
- W1972535861 title "On the improvement of decision-directed channel estimation in DVB-T2 systems" @default.
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- W1972535861 doi "https://doi.org/10.1109/isce.2013.6570157" @default.
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