Optimization of the Crest Factor for Complex-Valued Multisine Signals

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Date
2023-06
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Referee
Mark
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Společnost pro radioelektronické inženýrství
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Abstract
Multisine signals are commonly used in the measurement of dynamic systems and wireless channels. For optimal measurements with a high dynamic range, a low Crest Factor (CF) excitation signal is required. In this paper, a modified approach to optimize the crest factor for complex-valued multisine signals is presented. The approach uses a nonlinear optimization method where the real and imaginary parts can also be optimized for low CF. Furthermore, extensions of the real-valued multisine CF optimization methods are presented for complex-valued cases. The proposed methods are validated and compared using simulations. Based on the results it is shown that the novel approach can lead to more optimal signal design and lower CF compared to other techniques for complex-valued multisine signals.
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Citation
Radioengineering. 2023 vol. 21, č. 2, s. 264-272. ISSN 1210-2512
https://www.radioeng.cz/fulltexts/2023/23_02_0264_0272.pdf
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Peer-reviewed
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en
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Creative Commons Attribution 4.0 International license
http://creativecommons.org/licenses/by/4.0/
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