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- W2350796871 abstract "A scheme based on cyclic-shifted preamble sequences is proposed for carrier frequency synchronization in OFDM system.According to the time property of DFT,the preamble sequences are constructed and two estimators are designed.The coarse frequency offset is realized by the first estimator.Once coarse frequency offset compensated,the fine estimation is achieved by the optimized linear combination of two estimators.In multi-path channel,two estimators are optimized in order to eliminate the floor phenomenon.Compared with the traditional algorithm,the new method has better estimation accuracy and larger estimation span,which can change more flexible.At the same time,the Cramer-Rao Lower Bound of the new method is analyzed and obtained.It is demonstrated that the algorithm can reduce MSE and BER,and improve the system performance significantly." @default.
- W2350796871 created "2016-06-24" @default.
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- W2350796871 date "2006-01-01" @default.
- W2350796871 modified "2023-09-24" @default.
- W2350796871 title "Carrier Frequency Synchronization Scheme of OFDM Based on Cyclic-shifted Preamble Sequences" @default.
- W2350796871 hasPublicationYear "2006" @default.
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