Abstract
Inspired by the modular design of virtual instruments, a discrete non-stationary channel model and a flexible hardware architecture are proposed in this paper. On this basis, a universal channel emulator is implemented on universal software radio peripheral (USRP) platform. Moreover, we proposed a sum of linear frequency modulation (SoLFM) method to accurately generate non-stationary channel fading with continuous phase, i.e., Rayleigh fading, Rice fading, and log-normal fading channels. In addition, hardware measurement results demonstrate that the measured statistical properties are well consistent with the corresponding theoretical ones.
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Acknowledgements
This work was supported in part by the National Key Scientific Instrument and Equipment Development Project under Grant No. 61827801, in part by Aeronautical Science Foundation of China, No. 201901052001, and in part by the Fundamental Research Funds for the Central Universities, No. NS2020026.
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Zhang, D., Mao, K., Yang, Y., Ning, B., Zhu, Q. (2021). Implementation of Non-stationary Channel Emulator Based on USRP. In: Guan, M., Na, Z. (eds) Machine Learning and Intelligent Communications. MLICOM 2020. Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, vol 342. Springer, Cham. https://doi.org/10.1007/978-3-030-66785-6_48
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