Abstract
As one of the main shortcomings in orthogonal frequency division multiplexing (OFDM) systems, large peak-to-average power ratio (PAPR) induces system performance degradation. To improve this problem, partial transmit sequence (PTS) is one of the most promising PAPR reduction schemes, but it requires a complicated phase weighting process which results in large computational complexity. In this paper, a hybrid interleaved-PTS PAPR reduction scheme in OFDM systems is proposed. In proposed hybrid interleaved-PTS scheme, alternate optimization and block interleaving are employed for reducing computational complexity and improving PAPR reduction performance respectively. With the extensive computer simulations and analysis, the proposed hybrid interleaved-PTS scheme can achieve dramatic reduction in computational complexity and similar PAPR reduction performance compared with conventional PTS (C-PTS).
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Acknowledgements
The research was supported by National Natural Science Foundation of China (No. 61501204), the Science Research Award Fund for the Outstanding Young and Middle-aged Scientists of Shandong Province of China (No. BS2013DX014), the Doctor Fund of University of Jinan (No. XBS1309).
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Wang, L. (2018). Hybrid Interleaved-PTS Scheme for PAPR Reduction in OFDM Systems. In: Chen, Q., Meng, W., Zhao, L. (eds) Communications and Networking. ChinaCom 2016. Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, vol 209. Springer, Cham. https://doi.org/10.1007/978-3-319-66625-9_36
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