Abstract
The influence on DPD with memory effect in frequency hopping communication system is analysed in this paper based on the theory of hopping communication and digital predistortion (DPD). An experiment system is designed and applied based on the theory analysis, and the test data is then analysed. The analysis results show that the memory effect of the power amplifier will cause a short time nonlinear distortion during the frequency hop. However, the memory effect of the PA will not create new frequency spectrum in the entire communication band. As a result, it is not necessary to consider the influence of the memory effect in hopping communication system and only the current frequency signal should be sampled in the DPD linearization modelling.
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Lu, Z., Hairan, S., Shujin, G., Jiangnian, D. (2020). Analysis of the Influence on DPD with Memory Effect in Frequency Hopping Communication System. In: Liang, Q., Wang, W., Liu, X., Na, Z., Jia, M., Zhang, B. (eds) Communications, Signal Processing, and Systems. CSPS 2019. Lecture Notes in Electrical Engineering, vol 571. Springer, Singapore. https://doi.org/10.1007/978-981-13-9409-6_46
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DOI: https://doi.org/10.1007/978-981-13-9409-6_46
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