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An Improved Tone Reservation Scheme With Fast Convergence for PAPR Reduction in OFDM Systems

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3 Author(s)
Haibo Li ; Wuhan National Laboratory For Optoelectronics, Department of Electronics and Information Engineering, Huazhong University of Science and Technology, Wuhan, China ; Tao Jiang ; Yang Zhou

In this letter, an improved tone reservation method, which is based on the least squares approximation, is proposed to reduce the peak-to-average-power ratio (PAPR) in orthogonal frequency division multiplexing (OFDM) systems. Compared with the clipping control method, the proposed scheme can generate the optimal peak-canceling signals with fast convergence. Simulation results show that the proposed scheme only needs two iterations at most to achieve almost the same PAPR reduction as that of the clipping control method.

Published in:

IEEE Transactions on Broadcasting  (Volume:57 ,  Issue: 4 )