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http://dx.doi.org/10.7840/kics.2013.38B.11.879

Distributed Mobility Management Scheme in LTE/SAE Networks  

Kim, Yong-Hwan (한국기술교육대학교 컴퓨터공학과/첨단기술연구소)
Han, Youn-Hee (한국기술교육대학교 컴퓨터공학과/첨단기술연구소)
Kim, Min (삼성.전자 DMC R&D Center 차세대 통신연구팀)
Park, Seok Yong (삼성.전자 DMC R&D Center 차세대 통신연구팀)
Moon, Sang Jun (삼성.전자 DMC R&D Center 차세대 통신연구팀)
Lee, Jin Ho (삼성.전자 DMC R&D Center 차세대 통신연구팀)
Choi, Dae Kyu (삼성.전자 DMC R&D Center 차세대 통신연구팀)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.38B, no.11, 2013 , pp. 879-894 More about this Journal
Abstract
Recently, due to a explosive growth in the mobile Internet traffic, the problem of excessive data traffic handling on core network and thus scalability problem have been magnified in 3GPP LTE/SAE networks. Current LTE/SAE network based on the central P-GW (PDN Gateway) used as mobility anchor cannot deal with such demand for exponentially increasing mobile Internet traffic. In this paper, we propose a new LTE/SAE network architecture supporting distributed P-GWs and corresponding distributed mobility management to solve these problems. For this, in addition to the deployment of such distributed P-GWs, we propose a dynamic and distributed mobility management by distributing MMEs (Mobility Management Entities) which dynamically manages the location information of a UE's PDN connection, and also propose a handover procedure of such PDN connections by using the proposed distributed P-GWs and MMEs. The performance of the proposed dynamic and distributed LTE/SAE network system is compared with the current LTE/SAE network system in terms of handover latency and network throughput.
Keywords
3GPP; LTE/SAE; P-GW; Distributed Mobility Management; Traffic Offload;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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