5G 시스템과 LTE 간의 연동을 위한 효율적인 혼잡제어
Efficient Congestion Control for Interworking between 5G-System and LTE
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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.
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.
참고문헌 (15)
- "3GPP TS 23.501 v15.3.0: System Architecture for the 5G System; Stage 2", ~
- "3GPP TS 23.502 v15.3.0: Procedures for the 5G System;Stage 2", ~
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- "3GPP TS 24.301 v12.5.0: Non-Access-Stratum (NAS)protocol for Evolved Packet System (EPS); Stage 3", ~
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