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- W2378357137 abstract "For the channel estimation of MIMO-OFDM systems,a new scheme of pilot tones design is proposed on the basis of the idea that the pilot positions are orthogonal each other in different antennas,and the subcarriers with respect to the pilot position of other antenna are not used for transmission.Compare to the conventional design method,the scheme presented requires much less nonsignal subcarriers,thus the subcarriers for signal transmission increase and enhances the using efficiency of frequency band.Maximum guard bandwidth exists in the MIMO-OFDM systems as the both edges of OFDM band are used to be guard band.Comparing with conventional pilot design,the maximum guard bandwidth is much bigger in the proposed scheme.Simulation results demonstrate the effectiveness of the proposed approach." @default.
- W2378357137 created "2016-06-24" @default.
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- W2378357137 date "2008-01-01" @default.
- W2378357137 modified "2023-09-23" @default.
- W2378357137 title "Optimal pilot tone design in MIMO-OFDM systems" @default.
- W2378357137 hasPublicationYear "2008" @default.
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