Abstract
In this paper, an improved movement-based location update (iMBLU) scheme is proposed to reduce the location update (LU) cost of the conventional movement-based location update (CMBLU) scheme. The main idea is that instead of simply keeping counts of the number of cell boundary crossings, the counter of a mobile station (MS) stores the distance information between the currently residing cell and the last registered cell and an LU is performed whenever the counter value reaches a predefined threshold, called movement threshold. Unnecessary LUs are avoided when the MS moves around the recently visited cells. Simulation results demonstrate that the iMBLU scheme has achieved a considerable reduction in LU cost compared to other schemes under irregular cell configuration in real personal communication service (PCS) networks.
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Liu, Y., Wang, X. (2014). Performance Optimization of an Improved Movement-Based Location Update Scheme in Real PCS Networks. In: Zu, Q., Vargas-Vera, M., Hu, B. (eds) Pervasive Computing and the Networked World. ICPCA/SWS 2013. Lecture Notes in Computer Science, vol 8351. Springer, Cham. https://doi.org/10.1007/978-3-319-09265-2_39
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DOI: https://doi.org/10.1007/978-3-319-09265-2_39
Publisher Name: Springer, Cham
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