Abstract
In this paper, an adaptive-network-based fuzzy inference system (ANFIS) based scheme is analyzed and proposed for reducing the peak-to-average power ratio (PAPR) in multicarrier signals under additive white Gaussian noise and multipath fading (Raleigh) channel environment. This scheme involves training of ANFIS structure in time domain using Orthogonal Frequency Division Multiplexing signals with low PAPR, such as those obtained by approximate gradient project–null subcarrier switching (AGP–NCS) method. Once the ANFIS module is trained, the proposed scheme approximately offers similar reduction in PAPR as compared to AGP–NCS method, with significantly less convergence time and computational complexity. he results show that proposed approach is not only less complex but also maintains the data rate and bit error rate performance compared with other conventional schemes.
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Mishra, A., Zaheeruddin PAPR Reduction in OFDM Signals: An Adaptive-Network-Based Fuzzy Inference Approach. Wireless Pers Commun 92, 587–601 (2017). https://doi.org/10.1007/s11277-016-3558-4
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DOI: https://doi.org/10.1007/s11277-016-3558-4