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Experimental Study of Constellation Rotation in NOMA Wi-Fi Networks

  • DATA TRANSMISSION IN COMPUTER NETWORKS
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Abstract

Non-orthogonal multiple access is promising way to increase the efficiency of Wi-Fi networks in the downlink. With this technology, an access point can simultaneously transmit data to various devices using the same time-frequency resource. The decoding efficiency of a signal transmitted using non-orthogonal multiple access depends not only on the channel conditions between devices but also on the structure of the composite signal. In this paper, we present a testbed that uses a constellation rotation to decrease the influence of the phase noise and show that the constellation rotation increases the decoding probability of a NOMA Wi-Fi signal.

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Funding

The study was supported by the Government of the Russian Federation, project no. 14.W03.31.0019 and carried out at the Institute for Information Transmission Problems, Russian Academy of Sciences.

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Authors and Affiliations

  1. Moscow Institute of Physics and Technology (National Research University), 141701, Dolgoprudny, Moscow Region, Russia

    A. A. Kureev, I. A. Levitsky & E. M. Khorov

  2. Institute for Information Transmission Problems (Kharkevich Institute), Russian Academy of Sciences, 127051, Moscow, Russia

    A. A. Kureev, I. A. Levitsky & E. M. Khorov

Authors
  1. A. A. Kureev
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  2. I. A. Levitsky
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  3. E. M. Khorov
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Correspondence to A. A. Kureev.

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Translated by A. Ivanov

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Kureev, A.A., Levitsky, I.A. & Khorov, E.M. Experimental Study of Constellation Rotation in NOMA Wi-Fi Networks. J. Commun. Technol. Electron. 65, 1525–1530 (2020). https://doi.org/10.1134/S106422692012013X

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  • DOI: https://doi.org/10.1134/S106422692012013X

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