Modeling Coexistence of Unicast and Multicast Communications in 5G New Radio Systems

Multicasting is widely used in conventional wired and wireless networks as it allows to significantly improve resource utilization in presence of users interested in the same content. However, the support of this type of service in prospective 5G New Radio (NR) systems has received only little attention so far. In this paper, merging the tools of queuing theory and stochastic geometry we develop a model of 5G NR base station (BS) serving a mixture of unicast and multicast traffic. We validate our model against computer simulations using multicast/unicast session drop probabilities and system resource utilization as metrics of interest. Our numerical results illustrate that the presence of multicast type of traffic severely compromises performance of unicast sessions. Furthermore, this effect is amplified when the inter-site distance (ISD) between BSs increases. Thus, in order to satisfy prescribed performance guarantees in terms of unicast and multicast session drop probabilities, explicit resource reservation mechanism at NR BS might be required. © 2019 IEEE.

Редакторы
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Сборник материалов конференции
Издательство
Institute of Electrical and Electronics Engineers Inc.
Номер выпуска
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Язык
Английский
Страницы
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Статус
Опубликовано
Подразделение
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Ссылка
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Номер
8904350
Том
2019-September
Год
2019
Организации
  • 1 Peoples' Friendship University of Russia (RUDN University), 6 Miklukho-Maklaya St, Moscow, 017198, Russian Federation
  • 2 Tampere University, Laboratory of Electronics and Communications Engineering, Tampere, 33100, Finland
  • 3 Fed. Research Center Computer Science and Control, Russian Academy of Sciences (FRC CSC RAS), Moscow, 119333, Russian Federation
Ключевые слова
mmWave; multicast; resource queue; simulation; unicast
Дата создания
24.12.2019
Дата изменения
24.12.2019
Постоянная ссылка
https://repository.rudn.ru/ru/records/article/record/55061/