Abstract
Large peak-to-average power ratio (PAPR) hinders the development of the localized single carrier frequency division multiple access (SC-LFDMA). In this paper, autoencoder (AE) is introduced in SC-LFDMA to reduce PAPR, known as AE-SC-LFDMA. In AE-SC-LFDMA, the Encoder and Decoder of AE are used to encode and decode the modulated symbols of conventional SC-LFDMA based on deep neural network (DNN). This process aims to make AE-SC-LFDMA achieve lower PAPR as well as be more robust to the nonlinear distortion (NLD) of high power amplifier (HPA). Simulation results show that the proposed scheme outperforms conventional schemes both in bit error rate (BER) and PAPR.
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Acknowledgements
This work was supported by Research on Performance Evaluation and Optimization Technology of Local IOT for Client-side Metering Equipment under grant No. 5700-202118203A-0-0-00.
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Lu, H., Zhou, Y., Liu, Y., Li, R., Cao, N. (2022). PAPR Reduction Scheme for Localized SC-FDMA Based on Deep Learning. In: Guo, Q., Meng, W., Jia, M., Wang, X. (eds) Wireless and Satellite Systems. WiSATS 2021. Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, vol 410. Springer, Cham. https://doi.org/10.1007/978-3-030-93398-2_60
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DOI: https://doi.org/10.1007/978-3-030-93398-2_60
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