[KSCI] Korea Science Citation Index Service

http://dx.doi.org/10.7472/jksii.2021.22.5.9

End-to-End Delay Analysis of a Dynamic Mobile Data Traffic Offload Scheme using Small-cells in HetNets

Kim, Se-Jin (Dept. of Computer Science and Statistics, Chosun University)

Publication Information

Journal of Internet Computing and Services / v.22, no.5, 2021 , pp. 9-16 More about this Journal

Abstract

Recently, the traffic volume of mobile communications increases rapidly and the small-cell is one of the solutions using two offload schemes, i.e., local IP access (LIPA) and selected IP traffic offload (SIPTO), to reduce the end-to-end delay and amount of mobile data traffic in the core network (CN). However, 3GPP describes the concept of LIPA and SIPTO and there is no decision algorithm to decide the path from source nodes (SNs) to destination nodes (DNs). Therefore, this paper proposes a dynamic mobile data traffic offload scheme using small-cells to decide the path based on the SN and DN, i.e., macro user equipment, small-cell user equipment (SUE), and multimedia server, and type of the mobile data traffic for the real-time and non-real-time. Through analytical models, it is shown that the proposed offload scheme outperforms the conventional small-cell network in terms of the delay of end-to-end mobile data communications and probability of the mobile data traffic in the CN for the heterogeneous networks.

Keywords

heterogeneous networks; small-cell networks; dynamic; LIPA; SIPTO; traffic offload; delay;

Citations & Related Records

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