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Efficient Congestion Control for Interworking between 5G-System and LTE

  • Journal of The Korea Society of Computer and Information
  • Abbr : JKSCI
  • 2019, 24(2), pp.49-56
  • DOI : 10.9708/jksci.2019.24.02.049
  • Publisher : The Korean Society Of Computer And Information
  • Research Area : Engineering > Computer Science
  • Received : January 15, 2019
  • Accepted : February 12, 2019
  • Published : February 28, 2019

Seog-Gyu Kim 1

1안동대학교

Accredited

ABSTRACT

In this paper, we propose an efficient congestion control scheme for interworking between 5GS(5G system) and LTE(Long-Term Evolution), called ECC(Efficient Congestion Control). The proposed congestion control scheme (ECC) is considered for coexistence of 5GS and legacy LTE systems and provides a prompt service connectivity based on overriding method while the backoff timer is running in the UE. Also, we briefly introduce Rel-15 5GS from a congestion control perspective and the proposed ECC and simulation results for the existing legacy congestion control mechanism and ECC in the 5GS-LTE coexisting environment are presented. Lastly, the improvement direction is considered in future 3GPP 5GS phase 2 standard in this paper.

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