Efficient OFDM channel estimation for realistic band-limited and non-sample-spaced channels

In this paper, we propose computationally efficient channel estimation methods to minimize energy leakage which is caused by non-sample-spaced channels as well as band-limited OFDM signal with virtual subcarriers. The energy leakage effect mainly resulted from conventional channel estimation methods...

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Veröffentlicht in:	Signal processing 2010-06, Vol.90 (6), p.1768-1778
Hauptverfasser:	Im, Se-Bin, Choi, Hyung-Jin
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Channels Complexity Computational efficiency Correlation Detection, estimation, filtering, equalization, prediction Energy leakage Exact sciences and technology Information, signal and communications theory Leakage Mathematical analysis Multiplexing Non-sample-spaced channel OFDM channel estimation Optimization Signal and communications theory Signal, noise Statistics Telecommunications and information theory Virtual subcarrier
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