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A Low Complexity PTS Algorithm Based on the Tree Diagram for PAPR Reduction in OFDM Systems
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In this paper, we propose four low complexity partial transmitted sequences (PTS) algorithms that are based on the tree diagram for peak-to-average power ratio (PAPR) reduction in orthogonal frequency division multiplexing (OFDM) systems. The prorpsed algorithms can obtain all phase factors by searching the tree diagram of different $(n,k)$ linear block codes, and then select an OFDM signal with minimum PAPR for transmitting and transmit the side information with error correction. Compare conventional PTS (C-PTS) with our algorithms, you will know our algorithms which are low computational complexity for searching phase factors. Therefore, there are two main advantages in our algorithms , i.e. lower searching complexity and the side information provides extra error-correction property.
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