Abstract
In cellular mobile networks total location management cost (update + paging) is to be minimized. Previous studies suggest that velocity vector (speed and direction) of a mobile unit (MU) can be used to design optimal strategies. But the schemes use complex velocity estimation techniques and requires explicit announcement of velocity profile during an update. We propose a novel velocity based location management scheme in which explicit announcement of velocity by MU is not required during an update as mobile switching centre (MSC) stores and adjusts velocity profile of MU intelligently. Location of MU can be predicted using the profile of MU stored in the MSC during the paging process. The proposed scheme can be implemented using directional Cell Identification Codes which requires no extra signaling overhead. Simulation shows that our scheme performs far better than existing schemes.
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Nandi, S., Raushan, M.K. (2004). An Efficient Cost Effective Location Management Scheme Based on Velocity Vector Information of Mobile Unit. In: Das, G., Gulati, V.P. (eds) Intelligent Information Technology. CIT 2004. Lecture Notes in Computer Science, vol 3356. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-30561-3_12
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DOI: https://doi.org/10.1007/978-3-540-30561-3_12
Publisher Name: Springer, Berlin, Heidelberg
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