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A Modified Selected Map ping Technique to Reduce the Peak-to-Average Power Ratio of OFDM Signal

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4 Author(s)
Yang Jie ; Wuhan Univ. of Technol., Hubei ; Chen Lei ; Liu Quan ; Chen De

In this paper, we propose a modified selected mapping technique to reduce the peak-to-average power ratio (PAPR) in orthogonal frequency division multiplexing (OFDM) system. In this technique, we choose a vector with low PAPR in each coset of a linear block codes as its coset leader, instead of the weight vector in conventional technique. And a sequence which is most likely to yield the lowest PAPR is chosen to transmit before IFFT by a decision algorithm. Simulation results show that the modified technique has good performance in PAPR reduction.

Published in:

Consumer Electronics, IEEE Transactions on  (Volume:53 ,  Issue: 3 )

Date of Publication:

Aug. 2007

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