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• W2148939892 abstract "A well-known problem of OFDM is its sensitivity to frequency offset which leads to inter-carrier interference (ICI) in the OFDM symbol. This ICI causes severe degradation of the BER performance of the OFDM receiver. In this paper, we propose a new ICI cancellation algorithm which estimates frequency offset at the time-domain by using the cyclic prefix (CP) based independent component analysis (ICA) method to the received subcarriers. We derive the frequency offset estimation technique by using CP-ICA analyzing the phase rotation of the OFDM symbols. This algorithm is based on a statistical blind estimation method, which mainly utilizes the eigenvalue decomposition (EVD), rotating phasor and the 4th cumulants. In the case of 0.0<epsiv<1.0, simulation results show that the proposed frequency offset estimator is more accurate than the other estimators under AWGN and Rayleigh flat fading channels." @default.
• W2148939892 created "2016-06-24" @default.
• W2148939892 creator A5041556509 @default.
• W2148939892 creator A5090058414 @default.
• W2148939892 date "2007-04-01" @default.
• W2148939892 modified "2023-09-27" @default.
• W2148939892 title "A New Inter-Carrier Interference Cancellation Using CP-ICA Scheme in OFDM Systems" @default.
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• W2148939892 doi "https://doi.org/10.1109/vetecs.2007.489" @default.
• W2148939892 hasPublicationYear "2007" @default.
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