Criteria for selection envelope tracking power supply parameters for high peak-to-average power ratio applications

A Pergushev, V Sorotsky… - 2019 IEEE International …, 2019 - ieeexplore.ieee.org
The signals used in telecommunication systems have a high peak-to-average power ratio.
To increase the efficiency of power amplifiers of such signals, an envelope tracking method …

Output voltage PWM conversion inaccuracies in envelope tracking power supply for high peak-to-average power ratio applications

A Pergushev, V Sorotsky… - 2019 IEEE International …, 2019 - ieeexplore.ieee.org
When amplifying signals with a high peak-to-average power ratio, the envelope tracking
method is widely used to increase the efficiency of power amplifiers. When designing a …

The analytical model for calculating distortions in the envelope tracking power supply

A Pergushev - 2019 IEEE International Conference on …, 2019 - ieeexplore.ieee.org
Amplification of signals with a high peak-to-average power ratio is accompanied by
decreasing of the radio transmitter's efficiency, which can be increased with the help of the …

Estimation of peak-to-average power ratio of optimal FTN signals

AS Ovsyannikova, II Lavrenyuk… - 2019 11th International …, 2019 - ieeexplore.ieee.org
The development of 5G and 6G networks is impossible without improving spectral efficiency.
Faster than Nyquist (FTN) signaling allows increasing symbol rate of transmission and may …

Reduction of Higher Harmonics in the Signal Spectrum in Switched Mode Amplifiers Using Predistortions Generated by a Neural Network

VA Sorotsky, RI Zudov - 2021 International Conference on …, 2021 - ieeexplore.ieee.org
In recent years, there has been a tendency to reduce heat dissipation from various kinds of
technical devices including radio transmitters. To reduce heat dissipation in radio …

Multi-Cell Switched Mode Power Amplifiers Voltage Spectrum under Dispersion of Elements Parameters

V Sorotsky, R Zudov, A Pergushev… - 2022 International …, 2022 - ieeexplore.ieee.org
Actual problems in the development of radio transmitters are to increase energy efficiency
and reduce weight and size parameters. To solve the first problem, it is advisable to use …

Comparative study of analytic solution and numerical solution of baseband symbol signal based on optimal generic function

M Liu, W Xue, SB Makarov, J Qi… - Mathematical Problems in …, 2019 - Wiley Online Library
In this paper, the optimal mathematical generic function model is established using the
minimum out‐of‐band energy radiation criterion. Firstly, the energy limit conditions …

Research on an optimization method for a partially responsive continuous phase modulated (CPM) signal based on an optimal generic function

J Qi, SB Makarov, M Liu, B Li, W Xue - Symmetry, 2019 - mdpi.com
This paper establishes an optimal generic function model in order to obtain a continuous
phase modulated (CPM) signal with a smoother phase modulation function. This is achieved …

[HTML][HTML] BER performance of finite in time optimal FTN signals for the Viterbi algorithm

SB Makarov, II Lavrenyuk, AS Ovsyannikova… - Journal of Electronic …, 2020 - Elsevier
In this article, we consider the faster than Nyquist (FTN) technology in aspects of the
application of the Viterbi algorithm (VA). Finite in time optimal FTN signals are used to …

Probability Distributions of Instantaneous Amplitude Values of Random Optimal FTN Signal Sequences with Controlled ISI

I Lavrenyuk, SB Makarov, B Hu, G Dong… - Internet of Things, Smart …, 2020 - Springer
An approaching to the transmission channel capacity with a limited frequency band ΔF is
achieved by using signals with length Ts exceeding the duration of the symbol's …