Multiple Adaptive Frequency Filtering for OFDM Channel Estimation

Marco Rotoloni,Matteo Butussi,Stefano Tomasin,Mauro Lattuada,Christopher Ruppert

IEEE Transactions on Broadcasting（2009）

引用 3|浏览7

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摘要

In orthogonal frequency division multiplexing (OFDM) systems using pilots, channel estimation is performed on pilots and then interpolated over the time and the frequency axis. As time-interpolated estimates have a different mean square error than pilot estimates we propose the use of multiple adaptive filters for exploiting the frequency correlation of the channel. Each filter operates on a diffe...

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关键词

Frequency estimation,Adaptive filters,Filtering,OFDM,Channel estimation,Digital video broadcasting,Interpolation,Wiener filter,Scattering,Mean square error methods

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