Effect of Gaussian Channel Estimation Error on IBI Cancellation and Circular Property Loss Restoration for Broadband DS-CDMA Combining FDE Without CP Insertion
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概要
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In broadband DS-CDMA uplink transmission using frequency-domain equalization (FDE) without cyclic prefix (CP) insertion, the transmission performance degrades due to inter block interference (IBI) and circular property loss. The schemes were proposed to solve the problems of IBI and circular property loss in our previous study with the assumption of perfect channel estimation. In this paper, the Gaussian error channel model is used and the effect of estimating accuracy on the bit error rate (BER) is discussed. The requirement for practical channel estimation is also given based on the result.
- 2012-02-29
著者
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Peng Wei
Dept. of Electrical and Communication Engineering, Graduate School of Engineering, Tohoku University
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Peng Wei
Dept. Of Electrical And Commuincation Engineering Graduate School Of Engineering Tohoku University
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Pengt Wei
Dept. of Electrical and Communication Engineering, Graduate School of Engineering, Tohoku University
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Adachi Fumiyuki
Dept. Electrical And Communication Engineering Graduate School Of Engineering
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Zheng Min
Dept. Of Electrical And Communication Engineering Graduate School Of Engineering Tohoku University
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ADACHI Fumiyuki
the Department of Electrical and Communication Engineering, Graduate School of Engineering, Tohoku University
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Peng Wei
Dept. of Communication Engineering, Graduate School of Engineering, Tohoku University
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Zheng Min
Dept. of Communication Engineering, Graduate School of Engineering, Tohoku University
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