Intelligent Active Queue Management for Stabilized QoS Guarantees in 5G Mobile Networks

被引:19
|
作者
Jung, Soyi [1 ]
Kim, Joongheon [2 ]
Kim, Jae-Hyun [1 ]
机构
[1] Ajou Univ, Dept Elect & Comp Engn, Suwon 16499, South Korea
[2] Korea Univ, Sch Elect Engn, Seoul 02841, South Korea
来源
IEEE SYSTEMS JOURNAL | 2021年 / 15卷 / 03期
关键词
5G; active queue management (AQM); controlled delay (CoDel); quality of service (QoS);
D O I
10.1109/JSYST.2020.3014231
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
The fifth-generation (5G) new radio standard defines various functions for forwarding treatments under differentiated quality of services requirements. In particular, a gNB base station helps combat overbuffering due to massive packet flows from associated mobile devices. Several active queue management (AQM) schemes have been proposed previously, with controlled delay (CoDel) proving to be an efficient method that can properly handle excessive buffering, that is called bufferbloat. This article proposes a novel and enhanced AQM scheme based on CoDel for gNB that guarantees low queuing delays, minimizes packet drop rate, and furthermore stabilizes the built-in queue. According to data-intensive performance evaluation results, the proposed scheme verifies that the queuing delay for served packets are decreased and supports ultrareliable low latency communication applications. Especially, the proposed algorithm achieves the packet drop rates and queuing delays tradeoff as [O(1/V), O(V)] where V is a tradeoff parameter; providing efficient control decisions to improve performance in terms of time-average packet drop rate minimization subject to queue stability on demand in 5G mobile system.
引用
收藏
页码:4293 / 4302
页数:10
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