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- W2082525390 abstract "Partial transmit sequences (PTS) is an efficient technique to reduce the peak-to-average power ratio (PAPR) for orthogonal frequency division multiplexing (OFDM) systems. One main drawback of the conventional PTS method is the need of side information. When the side information is lost, the received data cannot be decoded correctly by the receiver. In this paper, we propose a new side-information free PTS scheme, where a difference vector along with an input data block is generated by using an extended constellation. After dividing the difference vector into some disjoint subblocks, the inverse fast Fourier transform of the input data block and that of each subblock of the difference vector are combined optimally to form a low-PAPR OFDM signal for transmission. Simulation results show that the proposed PTS scheme can achieve better PAPR reduction performance than the conventional PTS scheme, but it has lower computational complexity and does not need side information." @default.
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- W2082525390 date "2012-10-01" @default.
- W2082525390 modified "2023-10-16" @default.
- W2082525390 title "A new side-information free PTS scheme for PAPR reduction in OFDM systems" @default.
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- W2082525390 doi "https://doi.org/10.1109/wimob.2012.6379061" @default.
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