Analysis of Reversal GLR Failure Recovery Algorithm in 3G Mobile Networks

Jiang Hong; Zhang Hong-wei

doi:10.3724/SP.J.1146.2005.01085

Volume 29 Issue 4

Jan. 2011

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Jiang Hong, Zhang Hong-wei. Analysis of Reversal GLR Failure Recovery Algorithm in 3G Mobile Networks[J]. Journal of Electronics & Information Technology, 2007, 29(4): 915-919. doi: 10.3724/SP.J.1146.2005.01085

Citation:

Jiang Hong, Zhang Hong-wei. Analysis of Reversal GLR Failure Recovery Algorithm in 3G Mobile Networks[J]. Journal of Electronics & Information Technology, 2007, 29(4): 915-919. doi: 10.3724/SP.J.1146.2005.01085

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Analysis of Reversal GLR Failure Recovery Algorithm in 3G Mobile Networks

doi: 10.3724/SP.J.1146.2005.01085

Received Date: 2005-08-27
Rev Recd Date: 2006-03-24
Publish Date: 2007-04-19

Abstract

Abstract

In 3G mobile networks, when the location information of a roaming user in a Gateway Location Register (GLR) is incorrect or obsolete, the location tracking before recovery will fail which severely degrades system performance. Traditional location recovery algorithms needed to occupy a great many long-distance signaling circuit resources. In order to reduce occupation on long-distance signaling circuit and GLR failure recovery interval, a new algorithm, referred to as reversal GLR failure recovery algorithm, is proposed in this paper. The proposed algorithm fully uses corresponding information in Visited Location Register(VLR) to avoid long-distance signaling cost between GLR and Home Location Register(HLR). Through performance analysis, the algorithm is proved to be feasible.

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References

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