A Novel Call Setup Mechanism Based on Three-tier Databases in 3G

Zhang Hao; Liao Jian-xin; Zhu Xiao-min

doi:10.3724/SP.J.1146.2005.01395

Volume 29 Issue 6

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Article Navigation > Journal of Electronics & Information Technology > 2007 > 29(6): 1290-1294

Zhang Hao, Liao Jian-xin, Zhu Xiao-min. A Novel Call Setup Mechanism Based on Three-tier Databases in 3G[J]. Journal of Electronics & Information Technology, 2007, 29(6): 1290-1294. doi: 10.3724/SP.J.1146.2005.01395

Citation:

Zhang Hao, Liao Jian-xin, Zhu Xiao-min. A Novel Call Setup Mechanism Based on Three-tier Databases in 3G[J]. Journal of Electronics & Information Technology, 2007, 29(6): 1290-1294. doi: 10.3724/SP.J.1146.2005.01395

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A Novel Call Setup Mechanism Based on Three-tier Databases in 3G

doi: 10.3724/SP.J.1146.2005.01395

Received Date: 2005-11-01
Rev Recd Date: 2006-03-16
Publish Date: 2007-06-19

Abstract

Abstract

Based on the situation that the serving area of Gateway Location Register (GLR) is larger than that of Visitor Location Register (VLR) in three-tier database architecture in 3G network, this paper presents a novel call setup mechanism by taking consideration of the locality of the called traffic which means the number of local mobile users calling local users is a large part of the total call number and caching callee current GLR address in caller GLR database. An analytical model is established and the total cost function and total time delay function are presented based on the model. Then the performance of this mechanism is evaluated over the basic call setup mechanism and the VLR cache based call setup mechanism in 2G network. The outcomes show that the new call setup mechanism outperforms the other two mechanisms.

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References

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