Distributed Mobility Management Scheme in LTE/SAE Networks 


Vol. 38,  No. 11, pp. 879-894, Nov.  2013


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  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.

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  Cite this article

[IEEE Style]

Y. Kim, Y. Han, M. Kim, S. Y. Park, S. J. Moon, J. H. Lee, D. K. Choi, "Distributed Mobility Management Scheme in LTE/SAE Networks," The Journal of Korean Institute of Communications and Information Sciences, vol. 38, no. 11, pp. 879-894, 2013. DOI: .

[ACM Style]

Yong-hwan Kim, Youn-Hee Han, Min Kim, Seok Yong Park, Sang Jun Moon, Jin Ho Lee, and Dae Kyu Choi. 2013. Distributed Mobility Management Scheme in LTE/SAE Networks. The Journal of Korean Institute of Communications and Information Sciences, 38, 11, (2013), 879-894. DOI: .

[KICS Style]

Yong-hwan Kim, Youn-Hee Han, Min Kim, Seok Yong Park, Sang Jun Moon, Jin Ho Lee, Dae Kyu Choi, "Distributed Mobility Management Scheme in LTE/SAE Networks," The Journal of Korean Institute of Communications and Information Sciences, vol. 38, no. 11, pp. 879-894, 11. 2013.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880