Investigation of statistical characteristics for amplitude-phase keyed modulation signals with orthogonal frequency multiplexing

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Abstract

The investigation results for OFDM-signal envelope histograms with different durations and for their peak-factor parameter estimation are presented. The class of component signals with amplitude-phase manipulation defined by 3GPP 5G NR standards is considered. It is shown that for these short-duration OFDM signals significant differences are observed between the calculated multimodal histograms and the unimodal Rayleigh distribution density. A conclusion is made about the importance of the obtained results for the evaluation of the probability degradation characteristics for the reception of OFDM-signals and for the evaluation of energy losses for the operation of transmitting devices implementing nonlinear envelope transformations in relation to signals with a constant envelope.

About the authors

L. E. Nazarov

Fryazino branch Kotelnikov Institute of Radio Engineering and Electronics of RAS

Author for correspondence.
Email: levnaz2018@mail.ru
Vvedensky Squar., 1, Fryazino, Moscow region, 141190 Russian Federation

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