Methods of Interference Reduction for IEEE 802.11 Communication Networks on High-Speed Railways

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Abstract

A review of techniques and methods in Wi-Fi technology, which allow its application to railway communication tasks, is presented. The work is carried out within the framework of the grant "Research of methods to increase the interference immunity of 4G/5G/6G, Wi-Fi, IoT mobile communication systems using signal-code constructions for complex channels in accordance with the Telecommunications Industry Development Strategy 2035" of the National Research University Higher School of Economics.

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About the authors

S. L. Portnoy

Высшая школа экономики; ООО "РадиоГигабит"

Author for correspondence.
Email: sportnoy@hse.ru

д.т.н., проф. Московского института электроники и математики им. А.Н. Тихонова; научный консультант

Russian Federation, Москва; Нижний Новгород

S. E. Nikitin

Высшая школа экономики; ООО "РадиоГигабит"

Email: snikitin@hse.ru

старший преподаватель Московского института электроники и математики им. А.Н. Тихонова; младший инженер-исследователь

Russian Federation, Москва; Нижний Новгород

N. S. Klyuev

Высшая школа экономики; ООО "РадиоГигабит"

Email: nsklyuev@edu.hse.ru

магистрант; младший инженер-исследователь

Russian Federation, Москва; Нижний Новгород

D. V. Raklanov

Высшая школа экономики; ООО "РадиоГигабит"

Email: dvraklanov@edu.hse.ru

студент; стажер

Russian Federation, Москва; Нижний Новгород

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Supplementary files

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1. JATS XML
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2. Fig. 1. Demonstration of the HST scenario [6]

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3. Fig. 2. Example of multipath propagation occurrence

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4. Fig. 3. Demonstration of the effect of interference between subcarriers on signal reception

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5. Fig. 4. Representation of OFDM signal transmission as a set of independent channels

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6. Fig. 5. General structure of PPDU frame

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7. Fig. 6. Schematic of PPDU reception on the receiver side

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8. Fig. 7. HE PPDU format frame structure including midamble

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9. Fig. 8. Scheme of metric m formation for determining the beginning of signal transmission

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10. Fig. 9. Structure diagram of the LTF field

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11. Fig. 10. Dependence of carrier frequency offset (CFO) on signal-to-noise ratio (SNR) at 10% bit error rate (BER) in IEEE 802.11ac/ax standards (SISO, 20 MHz channel width, MCS8 (256QAM)) [18]

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Copyright (c) 2025 Portnoy S.L., Nikitin S.E., Klyuev N.S., Raklanov D.V.