Performance Optimization of an Improved Movement-Based Location Update Scheme in Real PCS Networks

  • Yu Liu
  • Xian Wang
Part of the Lecture Notes in Computer Science book series (LNCS, volume 8351)


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.


Movement-based location update Movement threshold PCS networks 


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Copyright information

© Springer International Publishing Switzerland 2014

Authors and Affiliations

  • Yu Liu
    • 1
  • Xian Wang
    • 1
  1. 1.School of Information Science and TechnologySouthwest Jiaotong UniversityChengduChina

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