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Evaluating a Case of Downlink Uplink Decoupling Using Queuing System with Random Requirements

  • Eduard SopinEmail author
  • Konstantin Samouylov
  • Olga Vikhrova
  • Roman Kovalchukov
  • Dmitri Moltchanov
  • Andrey Samuylov
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 9870)

Abstract

The need for efficient resource utilization at the air interfaces in heterogeneous wireless systems has recently led to the concept of downlink and uplink decoupling (DUDe). Several studies have already reported the gains of using DUDe in static traffic conditions. In this paper we investigate performance of DUDe with stochastic session arrivals patterns in LTE environment with macro and micro base stations. Particularly, we use a queuing systems with random resource requirements and to calculate the session blocking probability and throughput of the system. Our results demonstrate that DUDe association approach allows to significantly improve the metrics of interest compared to conventional downlink-based association mechanism.

Keywords

DL and UL decoupling RBs allocation Signal-to-noise ratio LTE-advanced Pathloss Heterogeneous networks 

Notes

Acknowledgments

This work was partially supported by RFBR, projects No. 15-07-03051, 15-07-03608, 16-37-60103, 16-07-00766. The reported study was funded within the Agreement 02.03.21.0008 dated 24.11.2016 between the Ministry of Education and Science of the Russian Federation and RUDN University.

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Copyright information

© Springer International Publishing AG 2016

Authors and Affiliations

  • Eduard Sopin
    • 1
    Email author
  • Konstantin Samouylov
    • 1
  • Olga Vikhrova
    • 1
  • Roman Kovalchukov
    • 1
  • Dmitri Moltchanov
    • 1
    • 2
  • Andrey Samuylov
    • 1
    • 2
  1. 1.Department of Applied Probability and InformaticsPeoples’ Friendship University of RussiaMoscowRussia
  2. 2.Tampere University of TechnologyTampereFinland

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