Modified HLR-VLR Location Management Scheme in PCS network

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Provided by: International Journal of Computer Applications
Topic: Networking
Format: PDF
In this paper, the authors propose a modified version of conventional HLR/VLR (Home Location Register/Visitor Location Register) scheme for improving the location management in PCS network. The conventional HLR/VLR scheme suggests that when a Mobile Terminal (MT) moves from one LA to another LA which is served by different VLR, it registers itself with new VLR along with HLR, at the same time HLR deregisters the mobile terminal from the old VLR and acknowledges the receipt of the message to new VLR.
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