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- W2979986854 abstract "This study considers the application of the partial transmit sequence (PTS) technique to reduce the peak-to-average power ratio (PAPR) in orthogonal frequency division multiplexing (OFDM) systems. The conventional PTS approach has proved its high effectiveness in PAPR reduction for OFDM signals where the reduction performance of PAPR depends mainly on phase rotation factors. Finding the optimal phase rotation factors requires an exhaustive computationally task, which is a serious implementation problem in practical systems. To fix this issue of computational complexity and reduce the PAPR at the same time, in the present work, a novel PTS approach based on multi-population cultural algorithm adopting knowledge migration (MCAKM) has been proposed for optimal phase rotation factors search. Computer simulation results show that the proposed MCAKM–PTS technique leads to a better PAPR reduction and bit error rate performance with a significant reduction in computational complexity compared to the conventional PTS and the previously optimisation algorithms applied to PTS such as particle swarm optimisation, artificial bee colony, and electromagnetism-like algorithm." @default.
- W2979986854 created "2019-10-18" @default.
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- W2979986854 date "2020-01-01" @default.
- W2979986854 modified "2023-10-16" @default.
- W2979986854 title "PTS scheme based on MCAKM for peak‐to‐average power ratio reduction in OFDM systems" @default.
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- W2979986854 doi "https://doi.org/10.1049/iet-com.2019.0142" @default.
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