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Nonorthogonal Multiple Access for Servicing the Internet of Things and Web Traffic in Wi-Fi Networks

Abstract—Nowadays, many devices require a wireless Internet connection, while the available frequency spectrum is limited. The nonorthogonal multiple access (NOMA) is a multiplexing technology that can significantly improve spectral efficiency and thus solve this problem. In this paper, the use of NOMA in Wi-Fi networks with two traffic types, Web traffic and Internet of Things (IoT) traffic, is investigated. Web traffic is one of the main Internet traffic types. It consists of relatively small data flows that need to be quickly delivered to users. IoT traffic consists of very short data flows compared to Web traffic, but there can be a lot of IoT flows due to a large number of IoT devices. In this paper, we propose an algorithm for resource allocation in Wi-Fi networks with the NOMA. This algorithm takes into account the traffic of both types and its performance is investigated by simulation.

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The study was carried out at the Institute for Information Transmission Problems, Russian Academy of Sciences, and supported by the Russian Foundation for Basic Research, project no. 18-37-20077 mol_a_ved.

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Correspondence to S. A. Tutelian.

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Translated by N. Semenova

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Tutelian, S.A., Khorov, E.M. Nonorthogonal Multiple Access for Servicing the Internet of Things and Web Traffic in Wi-Fi Networks. J. Commun. Technol. Electron. 65, 741–749 (2020).

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