The Development of Methods for Estimating and Compensating Frequency and Time Offset in 6G DFT-s-OFDM Technology Communication Systems

Meshkov, Ivan K.; Salnikov, R. O.; Gizatulin, Azat R.; Kataskin, L. V.; Vinogradova, Irina L.; Bagmanov, Valeriy H.

doi:10.1109/sibircon56155.2022.10016969

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Cited by 2 publications

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Timed Synchronization Technology of OFDM System Based on Training Sequence

Fu,

MengLi

2023

2023 IEEE International Conference on High Performance Computing &Amp;amp; Communications, Data Science &Amp;amp; Systems, Smar

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Timed Synchronization Technology of OFDM System Based on Training Sequence

Fu,

MengLi

2023

2023 IEEE International Conference on High Performance Computing &Amp;amp; Communications, Data Science &Amp;amp; Systems, Smar

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Analysis of methods for reducing the signal PAPR under the influence of the Doppler effect in hybrid communication networks

Salnikov,

Meshkov,

Gizatulin

et al. 2024

Physics of Wave Processes and Radio Systems

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Background. For further development of communication networks, it is planned to use hybrid satellite networks for traffic transmission. However, satellite communication channels have features such as distortion caused by the Doppler effect and increased energy efficiency requirements. Aim of this study is to analyze variants of orthogonal frequency multiplexing methods and modulation methods in order to choose the most stable technology, taking into account destabilizing factors. Method. Comparing different signal processing technologies and studying their resistance to bit errors is the imitation modeling of the communication channel in the Matlab environment. This approach allows creating a model of the communication network, taking into account the main parameters of communication channels, such as the Doppler effect, energy deficiency and destabilizing factors. Results. The distribution of the bit error coefficient for various signal processing technologies, depending on the signal-to-noise ratio, is compared. The method of frequency multiplexing is defined, providing the minimum peak factor and the most resistant to bit error. It is also noted that the effectiveness of all the studied technologies depends on the spacing and modulation constellations, and that it is necessary to adjust the characteristics of the system for each case. Conclusion. The results of this study can be used to improve the quality of communication in difficult interference conditions of hybrid mobile networks of 5 and 6 generations using the satellite segment.

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The Development of Methods for Estimating and Compensating Frequency and Time Offset in 6G DFT-s-OFDM Technology Communication Systems

Cited by 2 publications

References 14 publications

Timed Synchronization Technology of OFDM System Based on Training Sequence

Timed Synchronization Technology of OFDM System Based on Training Sequence

Analysis of methods for reducing the signal PAPR under the influence of the Doppler effect in hybrid communication networks

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