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- W2114689201 abstract "We address pilot-symbol aided channel estimation (PACE) for OFDM based systems employing multiple transmit antennas. Two approaches are investigated: first, all N T transmit antennas use all available pilot symbols simultaneously, resulting in N T superimposed signals; second, a subset of available pilots is allocated for each transmit antenna exclusively. The Wiener filter and the corresponding mean square error (MSE) are derived. By applying the sampling theorem, the minimum pilot overhead required to estimate the channel of N T superimposed waveforms is analyzed." @default.
- W2114689201 created "2016-06-24" @default.
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- W2114689201 date "2004-01-01" @default.
- W2114689201 modified "2023-09-27" @default.
- W2114689201 title "Pilot-symbol aided channel estimation by Wiener filtering for OFDM systems with multiple transmit antennas" @default.
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- W2114689201 doi "https://doi.org/10.1049/cp:20040625" @default.
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