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Performance Evaluation of Signaling and Data Traffic in UMTS Packet Core Networks  

Kim, Byung-Chul (Dept. of Computer ＆ Communication Engineering Chungnam National University)
Lee, Jae-Yong (Dept. of Computer ＆ Communication Engineering Chungnam National University)
Publication Information
Journal of the Institute of Electronics Engineers of Korea TC / v.41, no.4, 2004 , pp. 25-34 More about this Journal
Abstract
UMTS network, evolved from GSM, includes packet core network that consists of SGSNS and GGSNs. Service providers should consider subscriber mobility, location registration, and subscriber distribution when designing packet core networks and network elements. Since one of the major traffic sources for IMT-2000 will be data which has bursty characteristics, new design guidelines for dimensioning of SGSN and GGSN should be proposed under various constraints of system parameters. In this paper, we first evaluate the performance of signaling traffic for packet call subscribers. After that, we also obtain the impact of bursty data traffic on the SGSN and GGSN by simulation, and suggest new dimensioning guidelines for packet core network of UMTS under various environments.
Keywords
UMTS data traffic; UMTS signaling traffic; UMTS packet core networks;
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